Iwata attended the Tokyo School of Fine Arts for twelve years, where he studied in the metal work and Western oil painting departments.
[2] He learned engraving from Shomin Unno and Shigeyuki Hirata, and lacquer art from Shisui Rokkaku.
[citation needed] Iwata graduated in 1918 from the metal craft department and earned a BA in Western oil painting in 1923.
[citation needed] His studio, in 1943, was designated as a glass manufacturing residual factory and Iwata, individually, as a person qualified in preserving important craft technology by the Ministry of Commerce and Industry.
[citation needed] He received a Certificate of Commendation from the 12th Craft Exhibition (Metalworking) of the Ministry of Commerce and Industry in 1925.
The original design for the factory glass was typically created by a member of the Iwata family, especially in the early years of operation.
Studio works by Toshichi Iwata were typically accompanied by a wooden tomobako, which he also made and signed.
Iwata factory produced art glass is also often found in museum and gallery collections, though not always properly attributed.