Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7473945 | Optical semiconductor integrated circuit device | Tsuyoshi Takahashi, Katsuya Okabe | 2009-01-06 |
| 7235418 | Manufacturing method of optical semiconductor integrated circuit device | Tsuyoshi Takahashi, Katsuya Okabe | 2007-06-26 |
| 7067347 | Method of manufacturing optical semiconductor integrated circuit device | Tsuyoshi Takahashi, Katsuya Okabe | 2006-06-27 |
| 6114744 | Semiconductor integration device and fabrication method of the same | Masayuki Kawaguchi, Yasunari Tagami, Hirotsugu Hata | 2000-09-05 |