Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7939349 | Nitride-based semiconductor light emitting device and manufacturing method thereof | Toshio Hata, Mayuko Fudeta, Daigaku Kimura | 2011-05-10 |
| 7619261 | Method for manufacturing gallium nitride compound semiconductor | — | 2009-11-17 |
| 7176497 | Group III nitride compound semiconductor | — | 2007-02-13 |
| 7154125 | Nitride-based semiconductor light-emitting device and manufacturing method thereof | Toshio Hata, Mayuko Fudeta, Daigaku Kimura | 2006-12-26 |
| 7045809 | Light-emitting semiconductor device using gallium nitride compound semiconductor | Hisaki Kato, Hiroshi Watanabe, Shinya Asami | 2006-05-16 |
| 6984536 | Method for manufacturing a gallium nitride group compound semiconductor | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Shiro Yamazaki +2 more | 2006-01-10 |
| 6962828 | Methods for manufacturing a light-emitting device | Masayoshi Koike, Shiro Yamasaki, Isamu Akasaki, Hiroshi Amano | 2005-11-08 |
| 6930329 | Method for manufacturing gallium nitride compound semiconductor | — | 2005-08-16 |
| 6893945 | Method for manufacturing gallium nitride group compound semiconductor | — | 2005-05-17 |
| 6888867 | Semiconductor laser device and fabrication method thereof | Nobuhiko Sawaki, Yoshio Honda, Norifumi Kameshiro, Masahito Yamaguchi, Shigetoshi Ito +2 more | 2005-05-03 |
| 6881651 | Methods and devices using group III nitride compound semiconductor | Hisaki Kato | 2005-04-19 |
| 6853009 | Light-emitting semiconductor device using gallium nitride compound semiconductor | Hisaki Kato, Hiroshi Watanabe, Shinya Asami | 2005-02-08 |
| 6844572 | Light emitting semiconductor device and method of fabricating the same | Nobuhiko Sawaki, Kensaku Yamamoto | 2005-01-18 |
| 6835966 | Method for manufacturing gallium nitride compound semiconductor | — | 2004-12-28 |
| 6830992 | Method for manufacturing a gallium nitride group compound semiconductor | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Shiro Yamazaki +2 more | 2004-12-14 |
| 6821800 | Semiconductor light-emitting device and manufacturing method thereof | Shinya Asami, Junichi Umezaki, Masayoshi Koike, Shiro Yamasaki, Seiji Nagai | 2004-11-23 |
| 6822270 | Semiconductor light emitting device having gallium nitride based compound semiconductor layer | Akio Aioi, Takeshi Nishino | 2004-11-23 |
| 6818926 | Method for manufacturing gallium nitride compound semiconductor | — | 2004-11-16 |
| 6806115 | Semiconductor light emitting device and method for producing the same | Junji Yamamoto, Tsuyoshi Dohkita, Nobuhiko Sawaki, Yoshio Honda, Yousuke Kuroiwa +1 more | 2004-10-19 |
| 6765234 | Semiconductor light emitting device and method for producing the same | — | 2004-07-20 |
| 6703253 | Method for producing semiconductor light emitting device and semiconductor light emitting device produced by such method | — | 2004-03-09 |
| 6635901 | Semiconductor device including an InGaAIN layer | Nobuhiko Sawaki, Yoshio Honda, Katsuki Furukawa | 2003-10-21 |
| 6617668 | Methods and devices using group III nitride compound semiconductor | Hisaki Kato | 2003-09-09 |
| 6607595 | Method for producing a light-emitting semiconductor device | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Shiro Yamazaki +2 more | 2003-08-19 |
| 6593599 | Light-emitting semiconductor device using gallium nitride group compound | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Shiro Yamazaki +2 more | 2003-07-15 |