Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5201927 | Method of producing the optical element | Shoji Nakamura, Masaaki Sunohara, Tadao Shioyama | 1993-04-13 |
| 5188652 | Machine for molding optical element | Shoji Nakamura, Masaaki Sunohara, Tadao Shioyama | 1993-02-23 |