Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361168 | Lens element and lens barrel | Yukihisa Baba, Sachio Umetsu | 1994-11-01 |
| 5292457 | Method for molding optical elements | Yukihisa Baba | 1994-03-08 |
| 5290488 | Method for molding optical elements | Yukihisa Baba, Sachio Umetsu | 1994-03-01 |
| 5286421 | Optical element, and method and apparatus for forming the same | — | 1994-02-15 |