Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080491 | Optical glass | — | 2011-12-20 |
| 8058196 | Optical glass | Atsushi Nagaoka, Michiko Ogino | 2011-11-15 |
| 8053384 | Optical glass | — | 2011-11-08 |
| 7998891 | Optical glass containing bismuth oxide | — | 2011-08-16 |