Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5155007 | Silver halide photographic material | Yoji Hara, Akira Kobayashi, Takeshi Sampei, Miho Sai | 1992-10-13 |
| 5153630 | Auto focus controlling system | — | 1992-10-06 |
| 5130226 | Silver halide photographic light-sensitive material | Takeshi Sampei, Miho Sai, Yoji Hara | 1992-07-14 |
| 4965502 | Drive controlling apparatus | — | 1990-10-23 |
| 4841324 | Camera having an auto-focusing device | — | 1989-06-20 |
| 4772909 | Lens drive control apparatus for automatic focusing | — | 1988-09-20 |
| 4758859 | Control apparatus for camera | Kimio Uematsu, Naoki Tomino | 1988-07-19 |
| 4723139 | Camera having an auto-focusing device | — | 1988-02-02 |
| 4695150 | Diaphragm-control apparatus for camera | — | 1987-09-22 |
| 4634851 | Control device for automatic focusing | Sakuji Watanabe, Nobuhiko Terui, Ken Utagawa, Kunihisa Hoshino | 1987-01-06 |
| 4613224 | Motor driver for auto-focus camera | — | 1986-09-23 |
| 4506150 | Automatic focus adjusting device with a brightness dependent lens drive signal | — | 1985-03-19 |
| 4496229 | Apparatus for transmitting information signals in a camera | — | 1985-01-29 |
| 4473286 | Automatic focusing device of a camera | Sakuji Watanabe, Nobuhiko Terui, Ken Utagawa, Kunihisa Hoshino | 1984-09-25 |
| 4460257 | Focus regulating device for camera with automatic exposure control | — | 1984-07-17 |
| 4447719 | Automatic focus adjusting apparatus using weighted average means | — | 1984-05-08 |
| 4422739 | Auto focus camera | Sakuji Watanabe, Nobuhiko Terui, Kunihisa Hoshino, Ken Utagawa | 1983-12-27 |
| 4414469 | Automatic focusing apparatus with detection only when the lens is stationary | — | 1983-11-08 |
| 4368383 | System for focus detection utilizing a photoelectric sensor array | Hiroshi Shirasu, Ken Utagawa | 1983-01-11 |
| 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 |
| 4319238 | Camera display device | Ken Utagawa, Kunihisa Hoshino, Hiroshi Shirasu | 1982-03-09 |
| 4318598 | Automatic focusing device in a camera | Toru Fukuhara, Makoto Kimura | 1982-03-09 |
| 4306143 | Device for extracting a plurality of space frequency components | Ken Utagawa, Kunihisa Hoshino, Hiroshi Shirasu | 1981-12-15 |