Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8630516 | Semiconductor optical function device | Koji Yamada, Tomonori Shimamura | 2014-01-14 |
| 8277131 | Semiconductor optical communication module and manufacturing method thereof | Koji Yamada, Keizo Takemasa, Tomonori Shimamura, Satoshi Sasaki, Xiang Yu +2 more | 2012-10-02 |
| 6521476 | Method for manufacturing a semiconductor optical functional device | — | 2003-02-18 |
| 6323530 | Optical semiconductor device | — | 2001-11-27 |