Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7572349 | Optical device and production method therefor | Motoo Takada, Ryoichi Koseki, Kazuya Takahashi | 2009-08-11 |
| 7399512 | Optical device and production method therefor | Motoo Takada, Ryoichi Koseki, Kazuya Takahashi | 2008-07-15 |