TOSHIHIRO (寿広), Shōwa (昭和, 1926-1989), Tōkyō – “Miyaguchi Ikkansai Toshihiro” (宮口一貫斎寿広), “Toshihiro saku” (寿広作), “Miyauchi Toshihiro” (宮口寿広), real name Miyaguchi Shigeru (宮口繁), he was born in April 1897 as son of Yonezawa Kanjirō Masatoshi (米沢勘治郎正寿) in Tōkyō, he and his father were both adopted into the Miyaguchi family, after the death of his father he continued his studies under Kasama Shigetsugu (笠間繁継), he used the gō Ikkansai (一貫斎) from August 1916 onwards, in 1934 he entered the Yasukuni forge, special-order blades were signed by him with the name Toshihiro, the larger numbers of blades he made for the Yasukuni forge were signed with his Yasukuni-name Yasuhiro (靖広), blades made with western steel and some made by his students were signed by him with the pseudonym Kunimori (国護), in December 1936 he entered the Ōkura Forge (大倉鍛錬所) and died on March 21st 1956 at the age of 59, his posthumous Buddhist name is “Kantoku´in Han´a Shinshō” (貫徳院繁阿真照), records say that he made about 500 blades for the Yasukuni forge, shinpin no retsu (Akihide), Special Honor Seat at the 6th Shinsaku Nihontō Denrankai (新作日本刀展覧会, 1941)