Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8030728 | Optical semiconductor device | Hironari Takehara, Hisatada Yasukawa | 2011-10-04 |
| 7982276 | Optical semiconductor device and method for manufacturing the same | — | 2011-07-19 |
| 7888765 | Optical semiconductor device | Masaki Taniguchi, Hisatada Yasukawa | 2011-02-15 |
| 7863701 | Optical semiconductor device and method for manufacturing the same | — | 2011-01-04 |
| 7736923 | Optical semiconductor device and method for fabricating the same | — | 2010-06-15 |
| 7605049 | Optical semiconductor device and manufacturing method for same | Masaki Taniguchi, Hisatada Yasukawa, Ryoichi Ito | 2009-10-20 |
| 7538404 | Optical semiconductor device and method for manufacturing the same | Tsutomu Miyajima, Hisatada Yasukawa | 2009-05-26 |
| 7483467 | Semiconductor laser unit and method for manufacturing optical reflection film | Naoki Kohara, Hironari Takehara, Hisatada Yasukawa | 2009-01-27 |
| 7211829 | Semiconductor photodetector device | Hisatada Yasukawa, Ryouichi Ito, Masaki Taniguchi, Yasushi Jin | 2007-05-01 |