Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8824516 | GaN-based laser device | Toshiyuki Kawakami, Tomoki Ono, Shigetoshi Ito | 2014-09-02 |
| 8548019 | GaN laser element | Toshiyuki Kawakami, Tomoki Ono, Shigetoshi Ito | 2013-10-01 |
| 7804880 | Nitride semiconductor laser device and nitride semiconductor laser apparatus | Shigetoshi Ito, Kunihiro Takatani | 2010-09-28 |
| 7167489 | GaN-based semiconductor laser device | Toshiyuki Kawakami, Yukio Yamasaki, Tomoki Ono, Shigetoshi Ito | 2007-01-23 |
| 7041523 | Method of fabricating nitride semiconductor device | Toshiyuki Kawakami, Yukio Yamasaki, Shigetoshi Ito | 2006-05-09 |
| 6842470 | Nitride-type compound semiconductor laser device and laser apparatus incorporating the same | Toshiyuki Okumura, Kazuhiko Inoguchi | 2005-01-11 |
| 6737678 | Nitride semiconductor device and fabrication method thereof | Toshiyuki Kawakami, Yukio Yamasaki, Shigetoshi Ito | 2004-05-18 |
| 6549552 | Nitride-type compound semiconductor laser device and laser apparatus incorporating the same | Toshiyuki Okumura, Kazuhiko Inoguchi | 2003-04-15 |
| 5182630 | Semiconductor device having a particular shaped die pad and coated lower surface | Kazuya Fujita | 1993-01-26 |