Saito Ichiro Kiyondo was born in Bunsei 10 (1827) at Oizumi-sho in the Shonai district of Dewa, the present Atsumi Onsen, into a family said to have kept a hot-spring inn, and in the fourth month of Ka'ei 5 (1852) he went up to , where an introduction by the Shonai-born metalworker Funada Ikkin brought him into the school of Minamoto Kiyomaro. The training lasted only a little more than two years before Kiyomaro took his own life in the eleventh month of Ka'ei 7 (1854), yet the published sources stress that in that short span he learned well and faithfully carried on his teacher's manner. What raised his name beyond the workshop was an act outside the forge: he afterward settled the sword debts his master had left behind, and that episode became the one most often told of him. He set up independently at Kanda Ogawa-cho, received the court title Buzen no Kami in the seventh month of Keio 3 (1867), and when the government prohibited the wearing of swords in Meiji 3 (1870) he gave up the craft and returned home to keep the family inn, dying there in Meiji 34 (1901) at the age of seventy-five. He stands as the most accomplished of Kiyomaro's pupils and the chief carrier of that manner into the final years of the .
The hand by which he is known is the one inherited from his master, a vigorous that is the revival held at full strength. The shape carries it: a wide body with little taper from base to tip, the narrow for the breadth, little , a greatly extended whose is allowed to wither, grand and forceful, what the published record calls the form particular to the Kiyomaro line. Over it the temper is built on a round-headed as its main theme, intermixing , , angular and slightly pointed teeth and --flavored elements, the entering long and vigorously. Thick gathers, in places coarse and uneven, and through the whole run long and conspicuous , and , with -like drifting into the . The turns in with the , the point pointed and brushed with strong , at times returning in a jizo-like sweep. It is a manner with appetite to it, and the sources describe one such blade as a powerful work of carrying forward the master's tradition.
The beneath that edge is an mixed with and a flowing , standing in places so that the surface takes on a faintly hadamono character, over which the attaches thickly, sometimes coarse and gathering unevenly, and enter frequently. The runs deep and is for the most part bright, though on his boldest pieces it can sink toward a subdued tone where the tempering grows assertive and rough in the lower half. The temper sits high on the blade overall, the long sometimes broken by , here and there a rounded where the hardening seems to drop out, with and -like along the . The whole reads as -laden work pushed toward flamboyance rather than restraint, the activity the published sources say stands out all the more the bolder the piece becomes.
Against that inherited mode the sources set a second and quite different manner that they call his own and absent from Kiyomaro, 「清人独特の大和伝の直刃」, a aligned with the Yamato tradition. Here the forging tightens to a well-packed , at times running to a -leaning grain, the fine and the clear, with intermixed; the temper is a , or a -base carrying a slight with small well in, the adhering and the tight and bright, the straight to a with at the tip. Of his earliest dated blade the published sources write that 「この作は清磨の作風とは別に直刃を焼いて地刃の出来が殊に優れている」, that here, apart from Kiyomaro's manner, he has tempered a and the quality of both and is particularly superior. The Keio 3 he forged at Kyoto while traveling up for his appointment, taken by the sources to be 「豊前守を冠した第一作と思われる」, probably his first work bearing the Buzen no Kami title, is in this Yamato . The two manners together are the model by which he is read, the showy and the quiet , with the Kiyomaro lineage shape carried across both.
What distinguishes him is best read through his own work rather than by contrast with his master, for the relation is one of fidelity rather than departure. The blades keep the round-headed , the long , the abundant and the long and that are Kiyomaro's, and the sources measure his success by how nearly he reaches that standard: of one orderly piece they write that the tempering is more even than usual, the steadier, the activity within the richer, a result approaching the master and 「師清麿に迫る出来映えで、清人会心の一口」, a work of his own fulfillment. The Yamato is the manner he holds alone, never worked by Kiyomaro, and it is there that the sources find both and at their most refined in his hand. His tells, then, are the round-headed with its conspicuous and on the one side and the bright Yamato on the other, set within the broad-bodied, large-pointed Kiyomaro silhouette.
The record on which all of this rests is, for a smith of his standing, narrow and uniform: eight blades on record, every one designated , every one signed and in original form, several dated, with no National Treasure or Important Cultural Property among them and no earlier provenance on their tangs. Fujishiro grades him Jo-. The sources reserve their highest words for the Keio 3 dated immediately after his title, which they call 「師清麿に比肩する出来映えを示した清人の相州伝の最高傑作」, the supreme masterpiece in the - manner that demonstrates a level rivaling Kiyomaro himself. Rarer still in interest is the whose tang bears the sacred name Iwai Obahari, the Ame no Ohabari of the Kojiki, and a long chiseled text recording that Kiyomaro had vowed to forge a sacred sword for his friend Saito Tomomaro but died before fulfilling it, so that Kiyondo, entrusted with the unfulfilled intention, forged this blade from the very materials his master had amassed. Because every recorded Kiyondo is a signed, designated work in private hands rather than museum patrimony, his blades reach the market more readily than those of a master, yet they are few and held closely; a dated signed example comes to a collector only from time to time, and a piece carrying an inscription such as the Obahari sword would be a landmark whenever it appeared.