Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815786 | Semiconductor optical device and method of manufacturing the same | Matsuyuki Ogasawara, Ryuzo Iga, Yasuhiro Kondo | 2004-11-09 |
| 6717187 | Semiconductor optical device and the fabrication method | Matsuyuki Ogasawara, Ryuzo Iga, Yasuhiro Kondo, Yoshio Noguchi, Masahiro Yuda +2 more | 2004-04-06 |
| 6692837 | Semi-insulating substrate, semiconductor optical device and fabrication method of semiconductor thin film | Ryuzo Iga, Matsuyuki Ogasawara, Yasuhiro Kondo | 2004-02-17 |