Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5796421 | Positioning apparatus for an optical element in the form of a thin film and a scanning apparatus | — | 1998-08-18 |
| 4627700 | Focus detecting and indicating device for camera | Kazuo Nakamura, Harumi Aoki | 1986-12-09 |
| 4384770 | Focus detecting device | Seijiro Tokutomi, Ryota Ogawa, Michiro Ohishi, Kazuo Nakamura, Satoru Tachihara | 1983-05-24 |
| 4352545 | Camera focus detecting device | Naoyuki Uno, Harumi Aoki | 1982-10-05 |
| 4349254 | Camera focus detecting device | Harumi Aoki | 1982-09-14 |
| 4313657 | Display device for focus detecting and indicating device for camera | Seijiro Tokutomi, Kazuo Nakamura, Harumi Aoki | 1982-02-02 |
| 4297014 | Camera focus detecting device | Kazuo Nakamura, Harumi Aoki | 1981-10-27 |
| 4293205 | Camera focus detecting device | Seijiro Tokutomi, Kazuo Nakamura | 1981-10-06 |
| 4293206 | Electrically operated automatic focalizing camera | Seijiro Tokutomi, Harumi Aoki, Kazuo Nakamura, Koichiro Watanabe | 1981-10-06 |
| 4265520 | Focus detecting device in single lens reflex camera | Seijiro Tokutomi, Kazuo Nakamura | 1981-05-05 |
| 4258989 | Focus detecting device | Seijiro Tokutomi, Ryota Ogawa, Michiro Ohishi, Kazuo Nakamura, Satoru Tachihara | 1981-03-31 |
| 4253751 | Camera focus detecting device | Seijiro Tokutomi, Kazuo Nakamura | 1981-03-03 |
| 4230401 | Camera focus detecting device | Seijiro Tokutomi, Kazuo Nakamura | 1980-10-28 |
| 4223988 | Camera having a focusing device | Kazuo Nakamura | 1980-09-23 |