Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971415 | Multibeam emitting device | Toshitami Hara, Akira Shimizu, Yoshinobu Sekiguchi, Seiichi Miyazawa, Hidetoshi Nojiri | 1990-11-20 |
| 4858062 | Charging device | Naoji Hayakawa, Masanori Takenouchi, Kenji Nakamura, Fumitaka Kan, Yasuo Kozato | 1989-08-15 |
| 4829534 | Semiconductor laser device having a semiconductor region for creating a depletion layer in a laser active layer for controlling current flow therethrough | Seiichi Miyazawa, Hidetoshi Nojiri, Toshitami Hara, Akira Shimizu, Yoshinobu Sekiguchi | 1989-05-09 |
| 4796067 | Semiconductor device having a superlattice structure | Akira Shimizu, Toshitami Hara, Hidetoshi Nojiri, Seiichi Miyazawa, Yoshinobu Sekiguchi | 1989-01-03 |
| 4794611 | Semiconductor laser having superlattice structure | Toshitami Hara, Yoshinobu Sekiguchi, Seiichi Miyazawa, Hidetoshi Nojiri, Akira Shimizu | 1988-12-27 |
| 4794609 | Semiconductor laser provided with a plurality of lasers in the form of an array | Toshitami Hara, Seiichi Miyazawa, Hidetoshi Nojiri, Akira Shimizu, Yoshinobu Sekiguchi | 1988-12-27 |
| 4706254 | Semiconductor device and its fabrication | Hidetoshi Nojiri, Seiichi Miyazawa, Yoshioki Hajimoto | 1987-11-10 |
| 4667209 | Image recording apparatus | Kazuhiko Matsuoka | 1987-05-19 |
| 4403243 | Semi-conductor laser apparatus with support and soldering means for light-transmitting member | — | 1983-09-06 |
| 4323297 | Image forming optical system using a semiconductor laser | Naoto Kawamura, Koichi Masegi, Haruo Uchiyama, Takashi Kitamura, Masaaki Ishii | 1982-04-06 |
| 4253735 | Image forming optical system for semiconductor laser | Naoto Kawamura, Koichi Masegi | 1981-03-03 |