Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8741795 | Optical glass | Xuelu Zou, Tomoaki Negishi | 2014-06-03 |
| 8575049 | Optical glass, glass molded body, optical device and their production methods | Yuta Kobayashi, Yoichi Hachitani | 2013-11-05 |
| 8424344 | Optical glass | Xuelu Zou, Tomoaki Negishi | 2013-04-23 |
| 8263510 | Optical glass, glass molded body, optical device and their production methods | Yuta Kobayashi, Yoichi Hachitani | 2012-09-11 |