Issued Patents All Time
Showing 51–75 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4900820 | Process for producing cyclic ureas | Nobuyuki Kajimoto, Teruyuki Nagata | 1990-02-13 |
| 4871875 | Process for producing diphenylamines or N,N'-diphenylphenylenediamines | Teruyuki Nagata, Akihiro Tamaki, Nobuyuki Kajimoto | 1989-10-03 |
| D303428 | Culture dish | Atsushi Shimizu | 1989-09-12 |
| 4804783 | Process for producing diphenylamines or N,N'-diphenyl-phenylenediamines | Teruyuki Nagata, Akihiro Tamaki, Nobuyuki Kajimoto | 1989-02-14 |
| 4783521 | Linear salicylic acid copolymers and their metal salts, production process thereof, color-developing agents comprising metal-resins of the copolymers | Akihiro Yamaguchi, Keizaburo Yamaguchi, Yoshimitsu Tanabe, Makoto Asano | 1988-11-08 |
| 4731453 | Process for producing 1, 3-dialkyl-2-imidazolidinone | Teruyuki Nagata, Nobuyuki Kajimoto, Hideki Mizuta, Akihiro Tamaki | 1988-03-15 |
| 4716571 | A high-output semiconductor laser of dove tail groove type | Ken Hamada, Kunio Itoh | 1987-12-29 |
| 4698122 | Method of diffusion of impurities | Yoji Kato | 1987-10-06 |
| 4695862 | Semiconductor apparatus | Yoji Kato, Seiichi Watanabe | 1987-09-22 |
| D291920 | Cardiotomy reservoir | Takashi Monzen | 1987-09-15 |
| 4675074 | Method of manufacturing semiconductor device | Hirokazu Shimizu, Takao Shibutani, Kunio Itoh, Ken Hamada, Iwao Teramoto | 1987-06-23 |
| 4668793 | Process for producing 1,3-dimethyl-2-imidazolidinone | Teruyuki Nagata, Nobuyuki Kajimoto, Hitoshi Nakayama, Tadao Yamada | 1987-05-26 |
| 4651322 | Semiconductor laser | Hirokazu Shimizu, Kunio Itoh, Takashi Sugino, Iwao Teramoto, Kazuo Fujimoto | 1987-03-17 |
| D285182 | Case for electronic clinical thermometer | Shinzo Honda, Tetsuya Arioka | 1986-08-19 |
| 4603419 | Semiconductor laser structure including dual mounts having ridge and groove engagement | Hirokazu Shimizu, Kunio Itoh, Takashi Sugino | 1986-07-29 |
| D284400 | Case for electronic clinical thermometer | Shinzo Honda, Tetsuya Arioka | 1986-06-24 |
| 4546478 | Semiconductor laser | Hirokazu Shimizu, Kunio Itoh, Takashi Sugino | 1985-10-08 |
| D280340 | Artificial lung with a built-in heat exchanger | — | 1985-08-27 |
| D279705 | Artificial lung with a built-in heat exchanger | — | 1985-07-16 |
| 4520485 | Semiconductor device | Takashi Sugino, Kunio Itoh, Hirokazu Shimizu | 1985-05-28 |
| 4505252 | Hollow dishes with meltable cores and method of making such dishes | Takashi Wada, Toshi Matsu | 1985-03-19 |
| 4488306 | Terraced substrate semiconductor laser | Takashi Sugino, Kunio Itoh, Hirokazu Shimizu, Hiroyuki Mizuno, Kazuo Fujimoto | 1984-12-11 |
| 4488304 | Stem for semiconductor laser devices | Hirokazu Shimizu, Kunio Itoh, Takashi Sugino, Takako Okabe | 1984-12-11 |
| 4456999 | Terrace-shaped substrate semiconductor laser | Takashi Sugino, Kunio Itoh, Hirokazu Shimizu | 1984-06-26 |
| 4392227 | Terraced substrate semiconductor laser | Kunio Itoh, Takashi Sugino, Hirokazu Shimizu | 1983-07-05 |