Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6586774 | Method for fabricating nitride semiconductor, method for fabricating nitride semiconductor device, and nitride semiconductor device | Ayumu Tsujimura, Yoshiaki Hasegawa, Nobuyuki Otsuka, Gaku Sugahara, Ryoko Miyanaga +4 more | 2003-07-01 |
| 6544869 | Method and apparatus for depositing semiconductor film and method for fabricating semiconductor device | Kenji Harafuji, Yuzaburo Ban, Kiyoshi Ohnaka | 2003-04-08 |
| 6518082 | Method for fabricating nitride semiconductor device | Isao Kidoguchi, Masahiro Kume, Yuzaburo Ban, Satoshi Kamiyama | 2003-02-11 |
| 6466597 | Semiconductor laser device | Masahiro Kume, Yuzaburo Ban, Kenji Harafuji, Isao Kidoguchi, Satoshi Kamiyama +3 more | 2002-10-15 |
| 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, Isao Kidoguchi, Yuzaburo Ban +2 more | 2001-11-27 |
| 6281522 | Method of manufacturing a semiconductor and a semiconductor light-emitting device | Yuzaburo Ban, Yoshihiro Hara, Nobuyuki Uemura, Masahiro Kume | 2001-08-28 |
| 6265287 | Method for producing semiconductor layer for a semiconductor laser device | Ayumu Tsujimura, Yoshiaki Hasegawa, Isao Kidoguchi, Yuzaburo Ban | 2001-07-24 |
| 6165812 | Gallium nitride compound semiconductor light emitting device and process for producing gallium nitride compound semiconductor | Yuuzaburou Ban, Hidemi Takeisi, Nobuyuki Uemura, Masahiro Kume, Isao Kidoguchi | 2000-12-26 |
| 6136626 | Semiconductor light-emitting device and production method thereof | Isao Kidoguchi, Hideto Adachi, Kiyoshi Ohnaka, Yuzaburo Ban, Minoru Kubo | 2000-10-24 |
| 6133058 | Fabrication of semiconductor light-emitting device | Isao Kidoguchi, Hideto Adachi, Kiyoshi Ohnaka, Yuzaburo Ban, Minoru Kubo | 2000-10-17 |
| 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 |
| 6030849 | Methods of manufacturing semiconductor, semiconductor device and semiconductor substrate | Yoshiaki Hasegawa, Nobuyuki Uemura, Yuzaburo Ban, Masahiro Kume, Yoshihiro Hara +2 more | 2000-02-29 |
| 5923690 | Semiconductor laser device | Masahiro Kume, Yuuzaburou Ban, Nobuyuki Uemura, Hidemi Takeisi, Isao Kidoguchi | 1999-07-13 |
| 5923950 | Method of manufacturing a semiconductor light-emitting device | Yuzaburo Ban, Yoshihiro Hara, Nobuyuki Uemura, Masahiro Kume | 1999-07-13 |
| 5895225 | Semiconductor light-emitting device and production method thereof | Isao Kidoguchi, Hideto Adachi, Kiyoshi Ohnaka, Yuzaburo Ban, Minoru Kubo | 1999-04-20 |
| 5787104 | Semiconductor light emitting element and method for fabricating the same | Satoshi Kamiyama, Masakatsu Suzuki, Takeshi Uenoyama, Kiyoshi Ohnaka, Akira Takamori +5 more | 1998-07-28 |
| 5751013 | Semiconductor light-emitting device and production method thereof | Isao Kidoguchi, Hideto Adachi, Kiyoshi Ohnaka, Yuzaburo Ban, Minoru Kubo | 1998-05-12 |
| 5561080 | Semiconductor laser and method for fabricating the same | Isao Kidoguchi, Kiyoshi Ohnaka, Masaya Mannou | 1996-10-01 |
| 5546418 | Semiconductor laser having a flat groove for selected crystal planes | Isao Kidoguchi, Kiyoshi Ohnaka, Masaya Mannou | 1996-08-13 |