Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8030728 | Optical semiconductor device | Takaki Iwai, Hisatada Yasukawa | 2011-10-04 |
| 7483467 | Semiconductor laser unit and method for manufacturing optical reflection film | Naoki Kohara, Takaki Iwai, Hisatada Yasukawa | 2009-01-27 |
| 6897495 | Field effect transistor and manufacturing method therefor | Seikoh Yoshida, Takahiro Wada | 2005-05-24 |
| 6576927 | Semiconductor device and GaN-based field effect transistor for use in the same | Seikoh Yoshida, Takahiro Wada | 2003-06-10 |