Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419859 | Mold assembly for forming ophthalmic lens or lens blank and method of producing the same using the mold assembly | Yuki Tanaka | 2002-07-16 |
| 5737057 | Ocular lens fabrication method and ocular lens fabrication apparatus | Tosio Kojima, Kazumi Aikyo | 1998-04-07 |
| 5307740 | Marking apparatus for contact lens | Yasuyoshi Yamamoto, Kazuya Miyamura | 1994-05-03 |