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Description

This is a Juyo Token designated Tachi by Yoshioka Ichimonji, famously known as 'Tsugaru Ichimonji' and passed down through the Tsugaru family of the Hirosaki Domain. It features a clear 'Ichi' signature, a vibrant Bizen jigane, and a refined hamon with small gunome. The blade is accompanied by an elaborate koshirae and a gold maki-e sword box with the family crest.

NBTHK Setsumei

Jūyō-Tōken, 36th Session — Designated May 25, 1990 Tachi, mei: Yoshioka Ichimonji school (吉岡一文字) Measurements Nagasa 72.5 cm, sori 1.2 cm, motohaba 2.6 cm, sakihaba 1.5 cm, kissaki-nagasa 2.6 cm, nakago-nagasa 19.8 cm, nakago-sori none Description Keijō: shinogi-zukuri, iori-mune, slender (hosomi) in build, with shallow sori and a chū-kissaki. Kitae: itame-hada with a tightly packed (tsumi-gokoro) appearance; ji-nie adheres, and midare-utsuri stands out. Hamon: a narrow suguha-chō mixed with small gunome; with ko-ashi and yō entering, in ko-nie-deki. Bōshi: sugu tendency, turning back in a rounded form with a shallow return. Horimono: on both sides, bō-hi are carved and run off (kaki-nagashi). Nakago: almost ubu; kiri-jiri; yasurime are ō-sujikai; two mekugi-ana; on the haeri-omote (wearing side), in the center of the upper half, there is a large character “ichi” (一). Artisan Yoshioka Ichimonji school (Bizen) (吉岡一文字) Era Kamakura period Explanation The Ichimonji school of Bizen flourished from the early Kamakura period through the Nanbokuchō period. Those works dating from the early to mid-Kamakura period are distinguished as “Fukuoka Ichimonji,” whereas those that prospered from the late Kamakura period into the Nanbokuchō period are distinguished as “Yoshioka Ichimonji.” In terms of style, Yoshioka Ichimonji works are, on the whole, of a smaller, more restrained construction when compared with the Fukuoka Ichimonji, which temper flamboyant, large-cluster (ōbusa) chōji; a particular point of interest is that within this generally smaller manner, elements such as gunome and a somewhat saka (reverse-inclined) tendency may be intermingled. This tachi bears an “ichi” character signature. From such features as the manner in which the tsuketome portions of the character are emphasized, as well as the gentle nature of the hamon, it is appraised as Yoshioka Ichimonji. Though slender in build, both the ji and ha are kenzen (sound and well-preserved), and the workmanship is excellent.

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Swords›Bizen-den›Ichimonji›Yoshioka Ichimonji›Ichi›Tachi: Ichi (Yoshioka Ichimonji) (Go Tsugaru Ichimonji)
tachiJūyō
Yoshioka Ichi

Tachi: Ichi (Yoshioka Ichimonji) (Go Tsugaru Ichimonji)

mei · Yoshioka Ichimonji · Kamakura · nagasa 72.5cm · sori 1.2cm

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Measurements & details
Smith
Yoshioka Ichi
Type
Tachi
School
Yoshioka Ichimonji
Period
Around 1288–1293(Shoo)
Province
Bizen
Signature
Signed(100% of this smith's designated works are signed)
Measurements
Nagasa 72.5cmSori 1.2cmMotohaba 2.75cmSakihaba 1.6cmKasane 0.76cm
Description

This is a Juyo Token designated Tachi by Yoshioka Ichimonji, famously known as 'Tsugaru Ichimonji' and passed down through the Tsugaru family of the Hirosaki Domain. It features a clear 'Ichi' signature, a vibrant Bizen jigane, and a refined hamon with small gunome. The blade is accompanied by an elaborate koshirae and a gold maki-e sword box with the family crest.

NBTHK Zufu Commentary

Juyo #36

AI translation — may contain errors

-, 36th Session — Designated May 25, 1990

, : Yoshioka school (吉岡一文字)

Measurements 72.5 cm, 1.2 cm, 2.6 cm, 1.5 cm, 2.6 cm, 19.8 cm, none

Description Keijō: , , slender () in build, with shallow and a . : with a tightly packed () appearance; adheres, and stands out. : a narrow mixed with small ; with and entering, in . : tendency, turning back in a rounded form with a shallow return. : on both sides, are carved and run off (kaki-nagashi). : almost ; ; are ; two ; on the haeri- (wearing side), in the center of the upper half, there is a large character “” (一).

Artisan Yoshioka school () (吉岡一文字)

Era period

Explanation The school of flourished from the early period through the period. Those works dating from the early to mid- period are distinguished as “Fukuoka ,” whereas those that prospered from the late period into the period are distinguished as “Yoshioka .” In terms of style, Yoshioka works are, on the whole, of a smaller, more restrained construction when compared with the Fukuoka , which temper flamboyant, large-cluster (ōbusa) ; a particular point of interest is that within this generally smaller manner, elements such as and a somewhat (reverse-inclined) tendency may be intermingled.

This bears an “” character signature. From such features as the manner in which the tsuketome portions of the character are emphasized, as well as the gentle nature of the , it is appraised as Yoshioka . Though slender in build, both the and are (sound and well-preserved), and the workmanship is excellent.

About the maker

Ichi

一

Bizen-den · Bizen · around 1288-1293

›

Historical importance

Where Ichi stands among comparable artisans: across all of nihontō, and within tradition, era, and period. The tiers (Foremost · Leading · Major · Notable) weigh official designations from the NBTHK and Japan's Agency for Cultural Affairs, together with historical honors of lasting repute such as the Sansaku and Meibutsu-chō.

随一
Foremost
屈指
Leading
有数
Major
著名
Notable

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Designation record
3 designated works
Jūyō
3
Ichi — full profileBizen-den school

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About the school

Yoshioka Ichimonji

吉岡一文字

Bizen-den · Bizen

Phase: Yoshioka Ichimonji吉岡一文字· 1288–1394

8 pieces on the market now

›

When the Fukuoka workshops gave way at the close of the thirteenth century, the Ichimonji line carried on at Yoshioka in Bizen, and the setsumei place this branch "in place of the Fukuoka Ichimonji," flourishing from the end of Kamakura into the Nanbokuchō era. The Yoshioka smiths shared the character suke (助) as a generational element, and the records name Sukemitsu, Sukeyoshi, Sukeshige, Suketsugu, Sukeyuki, Sukehide, and a second Sukeyoshi (助義). Sukemitsu is identified as the leading hand of the group, with dated work surviving across the Einin, Gen'ō, Genkyō, and Karyaku eras; Sukeshige left blades dated to Enkyō and to Jōwa 2 (1346), and Sukehide a wakizashi dated Shōhei 18 (1363). Suketsugu, dated Eitoku 2 (1382), is the smith whose recorded move from Yoshioka to Osafune marks the point where this branch fed into the Osafune tradition. Allied groups resident nearby, the Iwato Ichimonji of Yoshiie and Muneuji and the Nitta-shō smith Chikatsugu, belong to the same late-period current. What separates Yoshioka work from the Fukuoka apex is a matter of scale and temperament. " A reverse-slanting (saka) tendency appears at times, and the temper often tightens toward the monouchi.

The forging is a tightly grained ko-itame, sometimes with nagare-hada, carrying fine ji-nie, chikei, and a clearly standing midare-utsuri. Where Fukuoka layered jūka-chōji and fukuro-chōji in flamboyant rise and fall, Yoshioka holds the pattern to a quieter register, and the setsumei repeatedly note that the bōshi in notare-komi with a round turn and the calm, regular tone "resemble contemporaneous Osafune work," the Osafune manner of the period drawing the branch toward kozumu regularity. The kantei value lies in reading that restraint correctly. Against Fukuoka, the discriminators are the reduced scale of the clove pattern, the gunome asserting itself within the midare, the suguha-leaning compositions with entering ashi, and the bright, nioi-dominant nioiguchi with accompanying ko-nie and occasional kinsuji and sunagashi. The named masters anchor these readings: Sukeyoshi's chōji mixed with gunome and narrowing temper, attested by a Hon'ami Chōshiki gold-inlaid kiwame; Sukemitsu's more flamboyant chōji-midare with togariba and tobiyaki, carried on an ō-suriage katana held by old tradition; Sukeshige's round-headed gunome with even undulation. Suketsugu's late tachi, hardening open, waisted gunome, points ahead to the Ōei-Bizen style that followed. Among the documented provenances, the Iwato smith Minamoto Yoshiie's tachi of Mototoku 2 (1330) was bestowed on Yoshikawa Hiroie as a memento of Toyotomi Hideyoshi, and several Yoshioka and Tsunetsugu blades carry Hon'ami origami, a reminder that earlier appraisal sometimes folded such work into "Aoe" before the modern separation of the two Tsunetsugu lines. Learn more →

11 recorded smiths175 designated works
Leading smiths
SmithEraDesignated
Sukemitsu助光1299-13027
Ichi一1288-12933
Sukeyoshi助吉1303-13063
Kageyasu景泰1326-13290
Kagehide景秀1329-13310
Explore the Yoshioka Ichimonji school →

Historical context

Bizen in the Kamakura period

›

Kamakura was Bizen’s summit. Tradition places Ichimonji smiths among Go-Toba’s goban kaji, Mitsutada founded the Osafune line at mid-century, and orders flowed from the court and the warrior government alike. No province holds more National Treasure blades.

Bizen in the Kamakura period →

NBTHK Certificate
Jūyō Tōken重要刀剣
Important Sword
›

A blade of top-grade workmanship and condition, formally judged to rank with a nationally recognized Important Art Object (Jūyō Bijutsuhin). Awarded only at the NBTHK’s competitive annual examination.

Of Japan’s roughly 2.5 million registered swords, only 12,307 (about 1 in 203) have ever attained Jūyō.

About the NBTHK›

The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.

NBTHK official site→
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Description

This is a Juyo Token designated Tachi by Yoshioka Ichimonji, famously known as 'Tsugaru Ichimonji' and passed down through the Tsugaru family of the Hirosaki Domain. It features a clear 'Ichi' signature, a vibrant Bizen jigane, and a refined hamon with small gunome. The blade is accompanied by an elaborate koshirae and a gold maki-e sword box with the family crest.

NBTHK Setsumei

Jūyō-Tōken, 36th Session — Designated May 25, 1990 Tachi, mei: Yoshioka Ichimonji school (吉岡一文字) Measurements Nagasa 72.5 cm, sori 1.2 cm, motohaba 2.6 cm, sakihaba 1.5 cm, kissaki-nagasa 2.6 cm, nakago-nagasa 19.8 cm, nakago-sori none Description Keijō: shinogi-zukuri, iori-mune, slender (hosomi) in build, with shallow sori and a chū-kissaki. Kitae: itame-hada with a tightly packed (tsumi-gokoro) appearance; ji-nie adheres, and midare-utsuri stands out. Hamon: a narrow suguha-chō mixed with small gunome; with ko-ashi and yō entering, in ko-nie-deki. Bōshi: sugu tendency, turning back in a rounded form with a shallow return. Horimono: on both sides, bō-hi are carved and run off (kaki-nagashi). Nakago: almost ubu; kiri-jiri; yasurime are ō-sujikai; two mekugi-ana; on the haeri-omote (wearing side), in the center of the upper half, there is a large character “ichi” (一). Artisan Yoshioka Ichimonji school (Bizen) (吉岡一文字) Era Kamakura period Explanation The Ichimonji school of Bizen flourished from the early Kamakura period through the Nanbokuchō period. Those works dating from the early to mid-Kamakura period are distinguished as “Fukuoka Ichimonji,” whereas those that prospered from the late Kamakura period into the Nanbokuchō period are distinguished as “Yoshioka Ichimonji.” In terms of style, Yoshioka Ichimonji works are, on the whole, of a smaller, more restrained construction when compared with the Fukuoka Ichimonji, which temper flamboyant, large-cluster (ōbusa) chōji; a particular point of interest is that within this generally smaller manner, elements such as gunome and a somewhat saka (reverse-inclined) tendency may be intermingled. This tachi bears an “ichi” character signature. From such features as the manner in which the tsuketome portions of the character are emphasized, as well as the gentle nature of the hamon, it is appraised as Yoshioka Ichimonji. Though slender in build, both the ji and ha are kenzen (sound and well-preserved), and the workmanship is excellent.

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Swords›Bizen-den›Ichimonji›Yoshioka Ichimonji›Ichi›Tachi: Ichi (Yoshioka Ichimonji) (Go Tsugaru Ichimonji)
tachiJūyō
Yoshioka Ichi

Tachi: Ichi (Yoshioka Ichimonji) (Go Tsugaru Ichimonji)

mei · Yoshioka Ichimonji · Kamakura · nagasa 72.5cm · sori 1.2cm

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Yoshioka Ichi — 1 of 10
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Yoshioka Ichi — 3 of 10
Yoshioka Ichi — 4 of 10
Yoshioka Ichi — 5 of 10
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Yoshioka Ichi — 10 of 10
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Yoshioka Ichi — 1 of 10Yoshioka Ichi — 2 of 10Yoshioka Ichi — 3 of 10Yoshioka Ichi — 4 of 10Yoshioka Ichi — 5 of 10Yoshioka Ichi — 6 of 10Yoshioka Ichi — 7 of 10Yoshioka Ichi — 8 of 10Yoshioka Ichi — 9 of 10Yoshioka Ichi — 10 of 10
Yoshioka Ichi (一) · Yoshioka Ichimonji · KamakuraView artist page →
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Could you name the smith from the blade alone? Today’s kantei →
Measurements & details
Smith
Yoshioka Ichi
Type
Tachi
School
Yoshioka Ichimonji
Period
Around 1288–1293(Shoo)
Province
Bizen
Signature
Signed(100% of this smith's designated works are signed)
Measurements
Nagasa 72.5cmSori 1.2cmMotohaba 2.75cmSakihaba 1.6cmKasane 0.76cm
Description

This is a Juyo Token designated Tachi by Yoshioka Ichimonji, famously known as 'Tsugaru Ichimonji' and passed down through the Tsugaru family of the Hirosaki Domain. It features a clear 'Ichi' signature, a vibrant Bizen jigane, and a refined hamon with small gunome. The blade is accompanied by an elaborate koshirae and a gold maki-e sword box with the family crest.

NBTHK Zufu Commentary

Juyo #36

AI translation — may contain errors

-, 36th Session — Designated May 25, 1990

, : Yoshioka school (吉岡一文字)

Measurements 72.5 cm, 1.2 cm, 2.6 cm, 1.5 cm, 2.6 cm, 19.8 cm, none

Description Keijō: , , slender () in build, with shallow and a . : with a tightly packed () appearance; adheres, and stands out. : a narrow mixed with small ; with and entering, in . : tendency, turning back in a rounded form with a shallow return. : on both sides, are carved and run off (kaki-nagashi). : almost ; ; are ; two ; on the haeri- (wearing side), in the center of the upper half, there is a large character “” (一).

Artisan Yoshioka school () (吉岡一文字)

Era period

Explanation The school of flourished from the early period through the period. Those works dating from the early to mid- period are distinguished as “Fukuoka ,” whereas those that prospered from the late period into the period are distinguished as “Yoshioka .” In terms of style, Yoshioka works are, on the whole, of a smaller, more restrained construction when compared with the Fukuoka , which temper flamboyant, large-cluster (ōbusa) ; a particular point of interest is that within this generally smaller manner, elements such as and a somewhat (reverse-inclined) tendency may be intermingled.

This bears an “” character signature. From such features as the manner in which the tsuketome portions of the character are emphasized, as well as the gentle nature of the , it is appraised as Yoshioka . Though slender in build, both the and are (sound and well-preserved), and the workmanship is excellent.

About the maker

Ichi

一

Bizen-den · Bizen · around 1288-1293

›

Historical importance

Where Ichi stands among comparable artisans: across all of nihontō, and within tradition, era, and period. The tiers (Foremost · Leading · Major · Notable) weigh official designations from the NBTHK and Japan's Agency for Cultural Affairs, together with historical honors of lasting repute such as the Sansaku and Meibutsu-chō.

随一
Foremost
屈指
Leading
有数
Major
著名
Notable

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Designation record
3 designated works
Jūyō
3
Ichi — full profileBizen-den school

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About the school

Yoshioka Ichimonji

吉岡一文字

Bizen-den · Bizen

Phase: Yoshioka Ichimonji吉岡一文字· 1288–1394

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When the Fukuoka workshops gave way at the close of the thirteenth century, the Ichimonji line carried on at Yoshioka in Bizen, and the setsumei place this branch "in place of the Fukuoka Ichimonji," flourishing from the end of Kamakura into the Nanbokuchō era. The Yoshioka smiths shared the character suke (助) as a generational element, and the records name Sukemitsu, Sukeyoshi, Sukeshige, Suketsugu, Sukeyuki, Sukehide, and a second Sukeyoshi (助義). Sukemitsu is identified as the leading hand of the group, with dated work surviving across the Einin, Gen'ō, Genkyō, and Karyaku eras; Sukeshige left blades dated to Enkyō and to Jōwa 2 (1346), and Sukehide a wakizashi dated Shōhei 18 (1363). Suketsugu, dated Eitoku 2 (1382), is the smith whose recorded move from Yoshioka to Osafune marks the point where this branch fed into the Osafune tradition. Allied groups resident nearby, the Iwato Ichimonji of Yoshiie and Muneuji and the Nitta-shō smith Chikatsugu, belong to the same late-period current. What separates Yoshioka work from the Fukuoka apex is a matter of scale and temperament. " A reverse-slanting (saka) tendency appears at times, and the temper often tightens toward the monouchi.

The forging is a tightly grained ko-itame, sometimes with nagare-hada, carrying fine ji-nie, chikei, and a clearly standing midare-utsuri. Where Fukuoka layered jūka-chōji and fukuro-chōji in flamboyant rise and fall, Yoshioka holds the pattern to a quieter register, and the setsumei repeatedly note that the bōshi in notare-komi with a round turn and the calm, regular tone "resemble contemporaneous Osafune work," the Osafune manner of the period drawing the branch toward kozumu regularity. The kantei value lies in reading that restraint correctly. Against Fukuoka, the discriminators are the reduced scale of the clove pattern, the gunome asserting itself within the midare, the suguha-leaning compositions with entering ashi, and the bright, nioi-dominant nioiguchi with accompanying ko-nie and occasional kinsuji and sunagashi. The named masters anchor these readings: Sukeyoshi's chōji mixed with gunome and narrowing temper, attested by a Hon'ami Chōshiki gold-inlaid kiwame; Sukemitsu's more flamboyant chōji-midare with togariba and tobiyaki, carried on an ō-suriage katana held by old tradition; Sukeshige's round-headed gunome with even undulation. Suketsugu's late tachi, hardening open, waisted gunome, points ahead to the Ōei-Bizen style that followed. Among the documented provenances, the Iwato smith Minamoto Yoshiie's tachi of Mototoku 2 (1330) was bestowed on Yoshikawa Hiroie as a memento of Toyotomi Hideyoshi, and several Yoshioka and Tsunetsugu blades carry Hon'ami origami, a reminder that earlier appraisal sometimes folded such work into "Aoe" before the modern separation of the two Tsunetsugu lines. Learn more →

11 recorded smiths175 designated works
Leading smiths
SmithEraDesignated
Sukemitsu助光1299-13027
Ichi一1288-12933
Sukeyoshi助吉1303-13063
Kageyasu景泰1326-13290
Kagehide景秀1329-13310
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Historical context

Bizen in the Kamakura period

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Kamakura was Bizen’s summit. Tradition places Ichimonji smiths among Go-Toba’s goban kaji, Mitsutada founded the Osafune line at mid-century, and orders flowed from the court and the warrior government alike. No province holds more National Treasure blades.

Bizen in the Kamakura period →

NBTHK Certificate
Jūyō Tōken重要刀剣
Important Sword
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A blade of top-grade workmanship and condition, formally judged to rank with a nationally recognized Important Art Object (Jūyō Bijutsuhin). Awarded only at the NBTHK’s competitive annual examination.

Of Japan’s roughly 2.5 million registered swords, only 12,307 (about 1 in 203) have ever attained Jūyō.

About the NBTHK›

The NBTHK (Nihon Bijutsu Tōken Hozon Kyōkai, the Society for the Preservation of Japanese Art Swords) is a public-interest incorporated foundation founded in 1948 and supervised by Japan’s Agency for Cultural Affairs (Bunkachō); it is based at the Japanese Sword Museum in Tokyo. Its expert panels physically examine each submitted work (shinsa) and issue a certificate (kanteishō) ranking it by artistic and historical merit. NBTHK papers are the most widely recognized standard of authentication for Japanese swords and fittings.

NBTHK official site→
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