Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7151063 | Glass for multilayer film filter and method for manufacturing the glass | Shigeo Furukawa | 2006-12-19 |
| 7044649 | Optical filter module, and manufacturing method thereof | Kazunari Nishihara, Tetsuro Shimamura, Mikio Degawa | 2006-05-16 |