Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8318058 | Method for manufacturing mold for molding optical element | Atsushi Naito | 2012-11-27 |
| 7922146 | Optical element forming metal mold and method of manufacturing optical element forming metal mold | Masayoshi Uehira | 2011-04-12 |