Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7141825 | Semiconductor light emitting device capable of suppressing silver migration of reflection film made of silver | Masahiko Tsuchiya, Hitoshi Tamura | 2006-11-28 |
| 7049160 | Gallium nitride compound semiconductor device and method of manufacturing the same | Masahiko Tsuchiya, Kenichi Morikawa | 2006-05-23 |