Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7947617 | Optical glass, precision-pressmolding preform and optical element | Xuelu Zou, Yasuhiro Fujiwara | 2011-05-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7947617 | Optical glass, precision-pressmolding preform and optical element | Xuelu Zou, Yasuhiro Fujiwara | 2011-05-24 |