Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362956 | Absolute value circuit | Ryuzo Motoori | 1982-12-07 |
| 4340819 | Photoelectric element array with automatic control of the charge storage time | Hiroshi Shirasu, Ken Utagawa | 1982-07-20 |
| 4336450 | Focus detecting apparatus | Ken Utagawa, Hiroshi Shirasu, Kunihisa Hoshino | 1982-06-22 |
| 4318598 | Automatic focusing device in a camera | Toru Fukuhara, Makoto Kimura | 1982-03-09 |
| 4319238 | Camera display device | Ken Utagawa, Kunihisa Hoshino, Hiroshi Shirasu | 1982-03-09 |