Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7335614 | Optical glass | Susumu Uehara, Koji Shimizu | 2008-02-26 |
| 7138349 | Optical glass | Susumu Uehara, Koji Shimizu | 2006-11-21 |
| 6846762 | Optical glass | Masahiro Onozawa | 2005-01-25 |