Background
Seiichi Mamiya was born in Shizuoka Prefecture.
Seiichi Mamiya was born in Shizuoka Prefecture.
Seiichi Mamiya finished primary school. Passed the Education Ministry's Qualification Examination for College Graduates, through self-education (1918).
Seiichi Mamiya engaged in cash register business, establishing Nippon Cash Register Company (1938), and serving as chief engineer. He toured Europe and America. After the trip, established Mamiya Koki Seisakusho, the predecessor of the present Mamiya Optical Instrument Company. He became Director of Mamiya Photographic Research Laboratory (1950).