Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5228972 | Apparatus for measuring concentration of test substance in liquid | Tatsuhiko Osaka, Koichi Yamasaki, Hiroshi Terawaki, Toji Mukai, Sadaaki Nakaoka +1 more | 1993-07-20 |
| 4596452 | Thin disc camera | Hiroshi Ueda, Akira Yoshizaki | 1986-06-24 |
| 4527876 | Exposure control shutter of a camera | Takashi Iwata | 1985-07-09 |
| 4490029 | Camera with a framing mirror | Hiroshi Ueda, Keisuke Maeda, Akira Yoshizaki | 1984-12-25 |
| RE31516 | Filmstrip metering device for a camera | — | 1984-02-07 |
| 4222645 | Camera shutter release device | Toshinori Imura | 1980-09-16 |