Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7538013 | Method of manufacturing a field effect transistor comprising an insulating film including metal oxide having crystallinity and different in a lattice distance from semiconductor substrate | Daisuke Matsushita, Hideki Satake, Noburu Fukushima | 2009-05-26 |
| 7405451 | Semiconductor device including MIS transistors | Tatsuo Shimizu, Takeshi Yamaguchi | 2008-07-29 |
| 7115953 | Semiconductor device and method of manufacturing semiconductor device | Tatsuo Shimizu, Takeshi Yamaguchi | 2006-10-03 |
| 7091561 | Field effect transistor and method of manufacturing the same | Daisuke Matsushita, Hideki Satake, Noburu Fukushima | 2006-08-15 |
| 7015121 | Semiconductor device and method of manufacturing the same | Yuichiro Mitani | 2006-03-21 |
| 6914312 | Field effect transistor having a MIS structure and method of fabricating the same | Noburu Fukushima, Takeshi Yamaguchi, Hideki Satake | 2005-07-05 |
| 6787433 | Semiconductor device and method of manufacturing the same | Yuichiro Mitani | 2004-09-07 |
| 6080599 | Semiconductor optoelectric device and method of manufacturing the same | Masahiro Yamamoto, Hidetoshi Fujimoto, Yoshihiro Kokubun, Masayuki Ishikawa, Shinji Saito +1 more | 2000-06-27 |
| 6072203 | Semiconductor device | Chiharu Nozaki, Minoru Amano, Masayuki Sugiura, Takao Noda, Aki Sasaki +1 more | 2000-06-06 |
| 6005263 | Light emitter with lowered heterojunction interface barrier | Shinji Saito, Masaaki Onomura, Masayuki Ishikawa, Peter James Parbrook | 1999-12-21 |
| 5864171 | Semiconductor optoelectric device and method of manufacturing the same | Masahiro Yamamoto, Hidetoshi Fujimoto, Yoshihiro Kokubun, Masayuki Ishikawa, Shinji Saito +1 more | 1999-01-26 |
| 5821555 | Semicoductor device having a hetero interface with a lowered barrier | Shinji Saito, Masaaki Onomura, Masayuki Ishikawa, Peter James Parbrook | 1998-10-13 |
| 5696389 | Light-emitting semiconductor device | Masayuki Ishikawa, Hideto Sugawara, Masaaki Onomura, Shinji Saito, Peter James Parbrook +5 more | 1997-12-09 |
| 5585649 | Compound semiconductor devices and methods of making compound semiconductor devices | Masayuki Ishikawa, Masaaki Onomura, Shinji Saito, Peter James Parbrook, Genichi Hatakoshi | 1996-12-17 |
| 5488233 | Semiconductor light-emitting device with compound semiconductor layer | Masayuki Ishikawa, Shinji Saito, Peter James Parbrook, Masaaki Onomura, Koichi Nitta +1 more | 1996-01-30 |
| 5321712 | Semiconductor light-emitting device having a cladding layer composed of an InGaAlp-based compound | Kazuhiko Itaya, Koichi Nitta, Genichi Hatakoshi, Hideto Sugawara, Mariko Suzuki | 1994-06-14 |
| 5305341 | Semiconductor laser whose active layer has an ordered structure | Koichi Nitta, Genichi Hatakoshi, Masaki Okajima, Minoru Watanabe, Kazuhiko Itaya | 1994-04-19 |
| 5282218 | Semiconductor laser device | Masaki Okajima, Koichi Nitta, Genichi Hatakoshi, Kazuhiko Itaya | 1994-01-25 |
| 5202895 | Semiconductor device having an active layer made of InGaAlP material | Koichi Nitta, Masayuki Ishikawa, Hideto Sugawara, Minoru Watanabe, Masaki Okajima +1 more | 1993-04-13 |
| 5153889 | Semiconductor light emitting device | Hideto Sugawara, Masayuki Ishikawa, Yoshihiro Kokubun, Shigeya Naritsuka, Kazuhiko Itaya +2 more | 1992-10-06 |
| 5058120 | Visible light emitting semiconductor laser with inverse mesa-shaped groove section | Koichi Nitta, Yukio Watanabe, Masaki Okajima, Genichi Hatakoshi | 1991-10-15 |
| 5048035 | Semiconductor light emitting device | Hideto Sugawara, Masayuki Ishikawa, Yoshihiro Kokubun, Shigeya Naritsuka | 1991-09-10 |
| 5034957 | Semiconductor laser device | Yasuo Ohba, Hajime OKUDA, Masayuki Ishikawa, Hideto Sugawara, Hideo Shiozawa +1 more | 1991-07-23 |
| 4987097 | Method of manufacturing a semiconductor laser device | Koichi Nitta, Masayuki Ishikawa, Yasuhiko Tsuburai, Yoshihiro Kokubun | 1991-01-22 |
| 4922499 | Semiconductor laser device and the manufacturing method thereof | Koichi Nitta, Masayuki Ishikawa, Yasuhiko Tsuburai, Yoshihiro Kokubun | 1990-05-01 |