Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8693089 | IR cut filter | Manabu Ohnishi | 2014-04-08 |
| 7488237 | Optical filter, production method for this optical filter and optical device using this optical filter and housing structure for this optical filter | — | 2009-02-10 |
| 7123412 | Optical device | Eiichi Kameda | 2006-10-17 |