Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7955880 | Method of producing semiconductor optical device | Toshio Nomaguchi, Tetsuya Hattori | 2011-06-07 |
| 7781245 | Method to fabricate semiconductor optical device | Takeshi Kishi, Tetsuya Hattori | 2010-08-24 |