Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8357624 | Lens and process for the production thereof | Kazutaka Hayashi, Kouichi Satou | 2013-01-22 |
| 7603876 | Optical glass, shapable glass material for press-shaping, optical element and process for producing optical element | — | 2009-10-20 |