Issued Patents All Time
Showing 76–95 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4376184 | Rubber compositions of ethylene-propylene elastomers | Toshimichi Oshima, Nobuyuki Uesugi | 1983-03-08 |
| 4371967 | Semiconductor laser | Masaru Wada, Hirokazu Shimizu, Takashi Sugino | 1983-02-01 |
| 4366568 | Semiconductor laser | Hirokazu Shimizu, Takashi Sugino, Masaru Wada | 1982-12-28 |
| 4365336 | Terraced substrate semiconductor laser | Takashi Sugino, Hirokazu Shimizu, Masaru Wada | 1982-12-21 |
| 4360920 | Terraced substrate semiconductor laser | Masaru Wada, Hirokazu Shimizu, Takashi Sugino | 1982-11-23 |
| 4358850 | Terraced substrate semiconductor laser | Takashi Sugino, Masaru Wada, Hirokazu Shimizu | 1982-11-09 |
| 4296387 | Semiconductor laser | Takashi Sugino | 1981-10-20 |
| D261010 | Pen or similar article | — | 1981-09-29 |
| 4287114 | Primer compositions | Takeshi Fukuda, Masaaki Matumura | 1981-09-01 |
| D260407 | Pen cap or similar article | — | 1981-08-25 |
| D260406 | Writing brush or similar article | — | 1981-08-25 |
| D259792 | Marking pen or similar article | Shigeo Oka | 1981-07-07 |
| 4255755 | Heterostructure semiconductor device having a top layer etched to form a groove to enable electrical contact with the lower layer | Morio Inoue | 1981-03-10 |
| 4230815 | Silicon-containing polybutadiene derivatives and method for the preparation thereof | Kimitaka Kumagae | 1980-10-28 |
| D257157 | Cartridge for a drawing instrument or similar article | Norio Yamada | 1980-09-30 |
| 4215168 | Laminated multilayer sheet structure and its utilization | Utami Yonemura, Kiyoshi Chiba, Yuji Mitani, Shigenobu Sobajima | 1980-07-29 |
| 4206615 | Insulative multi-pane window structure of refrigerator or freezer | Shigenobu Sobajima, Kiyoshi Chiba, Utami Yonemura, Yuji Mitani | 1980-06-10 |
| 4201698 | Rubber compositions | Toshimichi Oshima | 1980-05-06 |
| 4193835 | Method for growing semiconductor crystal | Morio Inoue, Kunihiko Asahi | 1980-03-18 |
| 4188244 | Method of making a semiconductor light-emitting device utilizing low-temperature vapor-phase deposition | Morio Inoue | 1980-02-12 |