Issued Patents All Time
Showing 226–245 of 245 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5191450 | Projection-type color display device having a driving circuit for producing a mirror-like image | Akitaka Yajima | 1993-03-02 |
| 5178212 | Plate-type heat exchanger | — | 1993-01-12 |
| 4974008 | Focus detecting system | Toshiki Nakayama, Masafumi Yamazaki | 1990-11-27 |
| 4939579 | Solid-state image pick-up device including static induction transistors with photometric function | — | 1990-07-03 |
| 4937674 | Solid-state imaging device with static induction transistor matrix | Toyokazu Mizoguchi | 1990-06-26 |
| 4909601 | Projection-type color display device with light valves positioned at unequal distances from the light source | Akitaka Yajima | 1990-03-20 |
| 4850685 | Projection-type color display device | Hiroshi Kamakura, Tomio Sonehara, Takeshi Ono, Akitaka Yajima | 1989-07-25 |
| 4806779 | Solid-state image pickup apparatus using static induction transistors for performing non-destructive readout | Toyokazu Mizoguchi | 1989-02-21 |
| 4699835 | Flexible magnetic disk and method of making same | Motoki Takeuchi | 1987-10-13 |
| 4678938 | Solid-state image sensing apparatus having an automatic control loop | — | 1987-07-07 |
| 4608490 | Focus detection method utilizing surface acoustic wave | Tatsuo Nagasaki | 1986-08-26 |
| 4563705 | Automatic focus controlling apparatus and method | Kenichi Oinoue, Masahiro Aoki, Masatoshi Ida, Asao Hayashi | 1986-01-07 |
| 4562345 | Method and apparatus for detecting focus conditions of a photographic optical system | Masahiro Aoki, Masatoshi Ida, Kenichi Oinoue, Asao Hayashi | 1985-12-31 |
| 4492449 | Apparatus and technique for detecting and controlling the focusing of an optical system by image sharpness and lateral shift techniques | Kenichi Oinoue, Asao Hayashi, Masatoshi Ida, Masahiro Aoki, Kenji Fukuoka | 1985-01-08 |
| 4459606 | Integrated injection logic semiconductor devices | Yukuya Tokumaru, Masanori Nakai, Satoshi Shinozaki, Shintaro Ito, Yoshio Nishi | 1984-07-10 |
| 4453818 | Method of automatically adjusting focus conditions | Asao Hayashi, Kenichi Oinoue, Masahiro Aoki, Masatoshi Ida | 1984-06-12 |
| 4443079 | Method and apparatus for detecting focus condition of objective lens | Kenichi Oinoue, Asao Hayashi, Masatoshi Ida, Masahiro Aoki, Kenji Fukuoka | 1984-04-17 |
| 4339765 | Transistor device | Seiji Hata, Iwao Yamasaki | 1982-07-13 |
| 4215988 | Resist printing method | Kazuo Kohama, Akira Hashimoto, Kazuo Tao | 1980-08-05 |
| 4200629 | Anti-fungal substance and preparing method thereof | — | 1980-04-29 |