Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7897497 | Overvoltage-protected light-emitting semiconductor device, and method of fabrication | Yasuhiro Kamii, Arei Niwa, Junji Sato | 2011-03-01 |
| 7893450 | Semiconductor light-emitting element and semiconductor light-emitting element manufacturing method | Yoshiki Tada, Tetsuji Matsuo | 2011-02-22 |
| 7723732 | Semiconductor light-emitting device and manufacturing method thereof | Yoshiki Tada | 2010-05-25 |
| 7687323 | Surface-roughening method | Tetsuji Matsuo, Takashi Kato | 2010-03-30 |
| 7449727 | Overvoltage-protected light-emitting semiconductor device | Junji Sato, Tetsuji Moku, Arei Niwa, Yasuhiro Kamii | 2008-11-11 |
| 7446342 | Light emitting diode having conductive reflecting layer | Tetsuji Moku, Junji Sato, Yasuhiro Kamii, Arei Niwa | 2008-11-04 |
| 7199401 | Light-emitting semiconductor device | Masahiro Sato, Hidekazu Aoyagi, Tetsuji Matsuo | 2007-04-03 |