Issued Patents All Time
Showing 51–75 of 103 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7176115 | Method of manufacturing Group III nitride substrate and semiconductor device | Yasuo Kitaoka, Hisashi Minemoto, Akihiko Ishibashi, Takatomo Sasaki, Yusuke Mori +1 more | 2007-02-13 |
| 7142576 | Semiconductor laser | Tetsuo Ueda, Keiji Yamane, Shoji Fujimori | 2006-11-28 |
| 7125801 | Method of manufacturing Group III nitride crystal substrate, etchant used in the method, Group III nitride crystal substrate, and semiconductor device including the same | Hisashi Minemoto, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki, Fumio Kawamura | 2006-10-24 |
| 7108745 | Formation method for semiconductor layer | Yoshiaki Hasegawa, Ayumu Tsujimura, Yuzaburo Ban | 2006-09-19 |
| 7092423 | Semiconductor laser device, optical disk apparatus and optical integrated unit | Masahiro Kume, Yuzaburo Ban, Ryoko Miyanaga, Masakatsu Suzuki | 2006-08-15 |
| 6985504 | Semiconductor laser and method for manufacturing the same | Tetsuo Ueda, Keiji Yamane, Shoji Fujimori | 2006-01-10 |
| 6940100 | Group III-V nitride semiconductor light-emitting device which allows for efficient injection of electrons into an active layer | Ayumu Tsujimura, Yoshiaki Hasegawa, Akihiko Ishibashi, Yuzaburo Ban, Masakatsu Suzuki | 2005-09-06 |
| 6911351 | Method of fabricating nitride semiconductor, method of fabricating nitride semiconductor device, nitride semiconductor device, semiconductor light emitting device and method of fabricating the same | Akihiko Ishibashi, Ryoko Miyanaga, Gaku Sugahara, Masakatsu Suzuki, Masahiro Kume +4 more | 2005-06-28 |
| 6867112 | Method of fabricating nitride semiconductor device | Akihiko Ishibashi, Kenji Harafuji, Yuzaburo Ban | 2005-03-15 |
| 6861672 | Semiconductor light emitting element and method for fabricating the same | Satoshi Kamiyama, Masakatsu Suzuki, Takeshi Uenoyama, Kiyoshi Ohnaka, Akira Takamori +5 more | 2005-03-01 |
| 6798811 | Semiconductor laser device, method for fabricating the same, and optical disk apparatus | Gaku Sugahara, Ryoko Miyanaga, Masakatsu Suzuki, Masahiro Kume, Yusaburo Ban +1 more | 2004-09-28 |
| 6720586 | Method of fabricating nitride semiconductor, method of fabricating nitride semiconductor device, nitride semiconductor device, semiconductor light emitting device and method of fabricating the same | Akihiko Ishibashi, Ryoko Miyanaga, Gaku Sugahara, Masakatsu Suzuki, Masahiro Kume +4 more | 2004-04-13 |
| 6667185 | Method of fabricating nitride semiconductor device | Akihiko Ishibashi, Kenji Harafuji, Yuzaburo Ban | 2003-12-23 |
| 6614059 | Semiconductor light-emitting device with quantum well | Ayumu Tsujimura, Yoshiaki Hasegawa, Akihiko Ishibashi, Yuzaburo Ban, Masakatsu Suzuki | 2003-09-02 |
| 6611005 | Method for producing semiconductor and semiconductor laser device | Ayumu Tsujimura, Yoshiaki Hasegawa, Akihiko Ishibashi, Yuzaburo Ban | 2003-08-26 |
| 6562129 | Formation method for semiconductor layer | Yoshiaki Hasegawa, Ayumu Tsujimura, Yuzaburo Ban | 2003-05-13 |
| 6518082 | Method for fabricating nitride semiconductor device | Akihiko Ishibashi, Masahiro Kume, Yuzaburo Ban, Satoshi Kamiyama | 2003-02-11 |
| 6466597 | Semiconductor laser device | Masahiro Kume, Yuzaburo Ban, Kenji Harafuji, Satoshi Kamiyama, Ayumu Tsujimura +3 more | 2002-10-15 |
| 6444485 | Semiconductor laser and optical disk device using the laser | Hideto Adachi, Masaya Mannoh, Toshiya Fukuhisa, Akira Takamori | 2002-09-03 |
| 6373874 | Semiconductor laser and optical disk device using the laser | Hideto Adachi, Masaya Mannoh, Toshiya Fukuhisa, Akira Takamori | 2002-04-16 |
| 6326638 | Semiconductor light emitting element and method for fabricating the same | Satoshi Kamiyama, Masakatsu Suzuki, Takeshi Uenoyama, Kiyoshi Ohnaka, Akira Takamori +5 more | 2001-12-04 |
| 6324200 | Semiconductor laser device | Satoshi Kamiyama, Masahiro Kume, Ryoko Miyanaga, Yuzaburo Ban, Ayumu Tsujimura +2 more | 2001-11-27 |
| 6265287 | Method for producing semiconductor layer for a semiconductor laser device | Ayumu Tsujimura, Yoshiaki Hasegawa, Akihiko Ishibashi, Yuzaburo Ban | 2001-07-24 |
| 6266354 | Semiconductor laser device with ridge structure | Toyoji Chino, Yasuhito Kumabuchi, Hideto Adachi | 2001-07-24 |
| 6195374 | Semiconductor laser and optical disk device using the laser | Hideto Adachi, Masaya Mannoh, Toshiya Fukuhisa, Akira Takamori | 2001-02-27 |