Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7172344 | Optical filter module and manufacturing method thereof | Kazunari Nishihara, Kazuo Fujiwara, Kanji Kato, Tetsuro Shimamura | 2007-02-06 |
| 7044649 | Optical filter module, and manufacturing method thereof | Takaaki Furumochi, Kazunari Nishihara, Tetsuro Shimamura | 2006-05-16 |