Issued Patents All Time
Showing 51–72 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6881981 | Nitride semiconductor light emitting device chip | Yuhzoh Tsuda | 2005-04-19 |
| 6873635 | Nitride semiconductor laser device and optical information reproduction apparatus using the same | Yukio Yamasaki | 2005-03-29 |
| 6865201 | Semiconductor laser device, method of fabricating the same and optical information reproduction apparatus | Yukio Yamasaki, Toshiyuki Kawakami | 2005-03-08 |
| 6858882 | Nitride semiconductor light-emitting device and optical device including the same | Yuhzoh Tsuda, Kouichi Morishige | 2005-02-22 |
| 6815728 | Nitride semiconductor light-emitting device and optical device and light-emitting apparatus with the nitride semiconductor light-emitting device | Yuhzoh Tsuda | 2004-11-09 |
| 6812496 | Group III nitride semiconductor laser device | Kunihiro Takatani, Takayuki Yuasa, Mototaka Taneya, Kensaku Motoki | 2004-11-02 |
| 6765233 | Semiconductor substrate, light emitting device, and method for producing the same | Yuhzoh Tsuda, Seiki Yano | 2004-07-20 |
| 6737678 | Nitride semiconductor device and fabrication method thereof | Toshiyuki Kawakami, Yukio Yamasaki, Susumu Omi | 2004-05-18 |
| 6735231 | Semiconductor laser device | Tomoki Ono | 2004-05-11 |
| 6670647 | Semiconductor light emitting element, display device and optical information reproduction device using the same, and fabrication method of semiconductor light emitting element | Yukio Yamasaki | 2003-12-30 |
| 6628249 | Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatus | Takeshi Kamikawa, Mototaka Taneya | 2003-09-30 |
| 6617607 | Nitride semiconductor laser device and optical pickup apparatus therewith | Yuhzoh Tsuda | 2003-09-09 |
| 6614824 | Nitride semiconductor laser device and optical device using the same | Yuhzoh Tsuda, Toshiyuki Okumura | 2003-09-02 |
| 6593595 | Semiconductor light-emitting device and method for producing same | Tomoki Ono | 2003-07-15 |
| 6586779 | Light emitting nitride semiconductor device, and light emitting apparatus and pickup device using the same | Yuhzoh Tsuda | 2003-07-01 |
| 6583442 | Light emitter device and a method for manufacturing the same | — | 2003-06-24 |
| 6493367 | Semiconductor laser device and optical information reproduction apparatus | Yukio Yamasaki, Mototaka Taneya | 2002-12-10 |
| 6452216 | Nitride semiconductor light emitting device and apparatus including the same | Yuhzoh Tsuda, Takayuki Yuasa, Mototaka Taneya | 2002-09-17 |
| 6399966 | Light emitting nitride semiconductor device, and light emitting apparatus and pickup device using the same | Yuhzoh Tsuda | 2002-06-04 |
| 6320209 | Epitaxial lateral overgrowth of gallium nitride based semiconductive oxide selective growth mask and method for fabricating the same | Toshio Hata | 2001-11-20 |
| 6294440 | Semiconductor substrate, light-emitting device, and method for producing the same | Yuhzoh Tsuda, Seiki Yano | 2001-09-25 |
| 6097040 | Semiconductor light emitting device that prevents current flow in a portion thereof directly under an electrode wire bonding pad | Taiji Morimoto | 2000-08-01 |