Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8124431 | Nitride semiconductor laser device and method of producing the same | — | 2012-02-28 |
| 8059691 | Nitride semiconductor laser device and method of producing the same | — | 2011-11-15 |
| 8031751 | Nitride semiconductor laser device | Kei Yamamoto | 2011-10-04 |
| 7804878 | Nitride semiconductor laser device and method of producing the same | — | 2010-09-28 |
| 7724793 | Nitride semiconductor laser element and fabrication method thereof | Toshiyuki Kawakami, Shuichiro Yamamoto | 2010-05-25 |
| 7421000 | Semiconductor laser device | Mototaka Taneya, Shigetoshi Ito | 2008-09-02 |
| 7372885 | Semiconductor laser device and optical information recording apparatus provided therewith | — | 2008-05-13 |
| 7356059 | Nitride semiconductor laser device and semiconductor optical device | Shigetoshi Ito | 2008-04-08 |
| 7177336 | Semiconductor laser device | Mototaka Taneya, Shigetoshi Ito | 2007-02-13 |
| 7167489 | GaN-based semiconductor laser device | Toshiyuki Kawakami, Tomoki Ono, Shigetoshi Ito, Susumu Omi | 2007-01-23 |
| 7142575 | Semiconductor laser element and optical data recording device | Shigetoshi Ito | 2006-11-28 |
| 7041523 | Method of fabricating nitride semiconductor device | Toshiyuki Kawakami, Shigetoshi Ito, Susumu Omi | 2006-05-09 |
| 6891201 | Nitride semiconductor laser element and optical device containing it | Yuhzoh Tsuda, Takayuki Yuasa, Shigetoshi Ito, Mototaka Taneya | 2005-05-10 |
| 6873635 | Nitride semiconductor laser device and optical information reproduction apparatus using the same | Shigetoshi Ito | 2005-03-29 |
| 6865201 | Semiconductor laser device, method of fabricating the same and optical information reproduction apparatus | Shigetoshi Ito, Toshiyuki Kawakami | 2005-03-08 |
| 6737678 | Nitride semiconductor device and fabrication method thereof | Toshiyuki Kawakami, Shigetoshi Ito, Susumu Omi | 2004-05-18 |
| 6711193 | Semiconductor laser device and method of manufacturing the same | — | 2004-03-23 |
| 6670647 | Semiconductor light emitting element, display device and optical information reproduction device using the same, and fabrication method of semiconductor light emitting element | Shigetoshi Ito | 2003-12-30 |
| 6556603 | Nitride-contained semiconductor laser element and optical information reproducing device | Toshiyuki Okumura | 2003-04-29 |
| 6493367 | Semiconductor laser device and optical information reproduction apparatus | Shigetoshi Ito, Mototaka Taneya | 2002-12-10 |