Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815728 | Nitride semiconductor light-emitting device and optical device and light-emitting apparatus with the nitride semiconductor light-emitting device | Shigetoshi Ito | 2004-11-09 |
| 6765233 | Semiconductor substrate, light emitting device, and method for producing the same | Shigetoshi Ito, Seiki Yano | 2004-07-20 |
| 6620238 | Nitride semiconductor structure, method for producing a nitride semiconductor structure, and light emitting device | Takayuki Yuasa | 2003-09-16 |
| 6617607 | Nitride semiconductor laser device and optical pickup apparatus therewith | Shigetoshi Ito | 2003-09-09 |
| 6614824 | Nitride semiconductor laser device and optical device using the same | Shigetoshi Ito, Toshiyuki Okumura | 2003-09-02 |
| 6586316 | Method for producing a semiconductor substrate | Shingetoshi Ito, Seiki Yano | 2003-07-01 |
| 6586777 | Nitride semiconductor light emitting device | Takayuki Yuasa, Atsushi Ogawa, Masahiro Araki, Yoshihiro Ueta, Mototaka Taneya | 2003-07-01 |
| 6586779 | Light emitting nitride semiconductor device, and light emitting apparatus and pickup device using the same | Shigetoshi Ito | 2003-07-01 |
| 6518602 | Nitride compound semiconductor light emitting device and method for producing the same | Takayuki Yuasa, Masaya Ishida, Mototaka Taneya | 2003-02-11 |
| 6455877 | III-N compound semiconductor device | Atsushi Ogawa, Takayuki Yuasa, Yoshihiro Ueta, Masahiro Araki, Mototaka Taneya | 2002-09-24 |
| 6452216 | Nitride semiconductor light emitting device and apparatus including the same | Takayuki Yuasa, Shigetoshi Ito, Mototaka Taneya | 2002-09-17 |
| 6399966 | Light emitting nitride semiconductor device, and light emitting apparatus and pickup device using the same | Shigetoshi Ito | 2002-06-04 |
| 6335546 | Nitride semiconductor structure, method for producing a nitride semiconductor structure, and light emitting device | Takayuki Yuasa | 2002-01-01 |
| 6294440 | Semiconductor substrate, light-emitting device, and method for producing the same | Shigetoshi Ito, Seiki Yano | 2001-09-25 |