Miyairi Shōhei

Miyairi Akihira, born in Sakashiro-machi, Nagano Prefecture, was a representative Shōwa-era swordsmith. Having later changed his signature to "Yukihira," he is also widely known as Miyairi Yukihira. His real name was Miyairi Kenichi. He was born in Taishō 2 (1913) and died in Shōwa 52 (1977). The Miyairi family had engaged in smithing for generations in Sakashiro, and Akihira, raised in this tradition, went to Tokyo in Shōwa 12 (1937) and entered the Nihon Tōken Kitaren Denshūjo, presided over by swordsmith Kurihara Hikonosaburo Akihide, embarking on a serious path of blade forging. At the Shōwa 15 (1940) New Swords Exhibition, he received the President's Prize with the signature "Akihira," and his skill was recognized early in his career. Regarding his signatures, the "Akihira" he initially used was changed to "Yukihira" in late Shōwa 48 (1973); both refer to the same person.

After the war, Miyairi Akihira became a central figure in leading the revival of the devastated sword-forging world. Beginning in Shōwa 30 (1955), in the Art Review Committee of the Japanese Art Sword Preservation Society, he repeatedly received the highest assessments, including the Special Prize, demonstrating unparalleled ability among contemporary swordsmiths. In Shōwa 38 (1963), he was designated a Holder of Important Intangible Cultural Property—what is known as a Living National Treasure. This was the second such honor in the field of sword-forging, establishing his position in the modern sword world as unshakable. He devoted himself to transmitting his technique; from his school emerged many swordsmiths, including Ōsumi Shunpei and Kawachi Kunihira, and the Miyairi school formed a major current in the postwar sword world.

In his working style, he excelled particularly in Sōshū-den. He conducted deep research into renowned blades both ancient and modern, such as Shizu Saburō Kaneuji of the Nanbokuchō period and the late-Edo master Minamoto Kiyomaro, sublimating the results of this research into his own forging. His characteristic lies in the brilliant, ornate irregular hamon with sharp, bright nie, the finely refined and beautiful base steel, and the refined elegance grounded in research into ancient blades. His grand yet solid Sōshū-den work was highly valued as embodying the bearing of ancient swords in contemporary blades.

Ranked among the highest class as a swordsmith, Miyairi Akihira is regarded as one of the supreme masters of contemporary sword-forging. His significance stands out not only for the outstanding masterpieces he himself left behind, but also for the many master craftsmen he trained and the tremendous influence he exerted upon the modern sword world.