Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8030728 | Optical semiconductor device | Takaki Iwai, Hironari Takehara | 2011-10-04 |
| 7888765 | Optical semiconductor device | Masaki Taniguchi, Takaki Iwai | 2011-02-15 |
| 7768090 | Semiconductor photodetector device | — | 2010-08-03 |
| 7605049 | Optical semiconductor device and manufacturing method for same | Masaki Taniguchi, Takaki Iwai, Ryoichi Ito | 2009-10-20 |
| 7538404 | Optical semiconductor device and method for manufacturing the same | Tsutomu Miyajima, Takaki Iwai | 2009-05-26 |
| 7483467 | Semiconductor laser unit and method for manufacturing optical reflection film | Naoki Kohara, Hironari Takehara, Takaki Iwai | 2009-01-27 |
| 7470886 | Light receiving circuit, semiconductor laser device, and optical pickup device | Yuzo Shimizu, Shinichi Hamaguchi, Kenji Imaizumi, Shinichi Miyamoto, Yosuke Kuroiwa | 2008-12-30 |
| 7211829 | Semiconductor photodetector device | Ryouichi Ito, Takaki Iwai, Masaki Taniguchi, Yasushi Jin | 2007-05-01 |