Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11505052 | Vehicle | Kiyoshi Osanai | 2022-11-22 |
| 4346966 | Compact lens system operable in different mediums | Akiyoshi Nakamura, Masahide Tanaka | 1982-08-31 |
| 4214814 | Variable soft focus lens system | Shuji Ogino, Yukio Okano, Akiyoshi Nakamura | 1980-07-29 |
| 4193667 | Zoom lens system capable of constant magnification photography | Mitsuo Yasukuni, Takanobu Omaki, Masahide Tanaka | 1980-03-18 |