Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 | Isao Kidoguchi, Akihiko Ishibashi, Gaku Sugahara, Masakatsu Suzuki, Masahiro Kume +4 more | 2005-06-28 |
| 6900483 | Semiconductor device and method for manufacturing the same | Masao Uchida, Makoto Kitabatake, Toshiya Yokogawa, Osamu Kusumoto, Kunimasa Takahashi +1 more | 2005-05-31 |
| 6798811 | Semiconductor laser device, method for fabricating the same, and optical disk apparatus | Gaku Sugahara, Isao Kidoguchi, 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 | Isao Kidoguchi, Akihiko Ishibashi, Gaku Sugahara, Masakatsu Suzuki, Masahiro Kume +4 more | 2004-04-13 |
| 6709881 | Method for manufacturing semiconductor and method for manufacturing semiconductor device | Yoshiaki Hasegawa, Gaku Sugahara | 2004-03-23 |
| 6586774 | Method for fabricating nitride semiconductor, method for fabricating nitride semiconductor device, and nitride semiconductor device | Akihiko Ishibashi, Ayumu Tsujimura, Yoshiaki Hasegawa, Nobuyuki Otsuka, Gaku Sugahara +4 more | 2003-07-01 |
| 6466597 | Semiconductor laser device | Masahiro Kume, Yuzaburo Ban, Kenji Harafuji, Isao Kidoguchi, Satoshi Kamiyama +3 more | 2002-10-15 |
| 6324200 | Semiconductor laser device | Satoshi Kamiyama, Masahiro Kume, Isao Kidoguchi, Yuzaburo Ban, Ayumu Tsujimura +2 more | 2001-11-27 |
| 6169296 | Light-emitting diode device | Satoshi Kamiyama, Shigeo Yoshii, Takashi Nishikawa, Tohru Saitoh, Yoichi Sasai | 2001-01-02 |
| 6087725 | Low barrier ohmic contact for semiconductor light emitting device | Shigeo Yoshii, Yoichi Sasai, Satoshi Kamiyama, Tohru Saitoh, Takashi Nishikawa | 2000-07-11 |
| 6072762 | Optical disk recording/reproducing method and apparatus for preventing wave length shift during recording and reproducing operations | Masahiro Kume, Yuzaburo Ban, Isao Kidoguchi, Satoshi Kamiyama, Ayumu Tsujimura +2 more | 2000-06-06 |