Issued Patents All Time
Showing 176–191 of 191 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4313657 | Display device for focus detecting and indicating device for camera | Seijiro Tokutomi, Masao Jyojiki, Harumi Aoki | 1982-02-02 |
| 4299503 | Character selection mechanism for a typewriter | Tomoyoshi Watanabe, Toshio Nakai, Susumu Kuzuya, Hiroshi Onoda, Akira Asai +1 more | 1981-11-10 |
| 4297014 | Camera focus detecting device | Masao Jyojiki, Harumi Aoki | 1981-10-27 |
| 4293206 | Electrically operated automatic focalizing camera | Seijiro Tokutomi, Masao Jyojiki, Harumi Aoki, Koichiro Watanabe | 1981-10-06 |
| 4293205 | Camera focus detecting device | Seijiro Tokutomi, Masao Jyojiki | 1981-10-06 |
| 4288492 | Insulating coating compositions applied on electrical steel sheets | Yoshitaka Hiromae, Toshiya Wada, Hirotada Katoh | 1981-09-08 |
| 4287006 | Annealing separator for grain oriented silicon steel strips | Yoshitaka Hiromae, Hajime Nitto | 1981-09-01 |
| 4283150 | Typewriter | Masami Hanazono, Tomoyoshi Watanabe, Toshio Nakai, Susumu Kuzuya, Akira Asai +2 more | 1981-08-11 |
| 4279633 | Method of producing magnetic head | — | 1981-07-21 |
| 4265520 | Focus detecting device in single lens reflex camera | Seijiro Tokutomi, Masao Jyojiki | 1981-05-05 |
| 4258989 | Focus detecting device | Seijiro Tokutomi, Ryota Ogawa, Michiro Ohishi, Masao Jyojiki, Satoru Tachihara | 1981-03-31 |
| 4253751 | Camera focus detecting device | Seijiro Tokutomi, Masao Jyojiki | 1981-03-03 |
| 4237183 | Process for the surface treatment of a synthetic resin lens and the product thereof | Junichi Fujiwara | 1980-12-02 |
| 4234262 | Single element print head | Toshio Nakai, Susumu Kuzuya, Akira Asai, Takayuki Iwase, Hiroshi Onoda | 1980-11-18 |
| 4230401 | Camera focus detecting device | Seijiro Tokutomi, Masao Jyojiki | 1980-10-28 |
| 4223988 | Camera having a focusing device | Masao Jyojiki | 1980-09-23 |