Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6972903 | Visual aid | Hideo Hara, Fumiaki Koizumi, Yasuhiro Sakai | 2005-12-06 |
| 6844987 | Zoom lens system for covering superwide-angle area | Hiroshi Endo, Michio Cho | 2005-01-18 |
| 5966247 | Compact zoom lens | William T. Goosey, Jr. | 1999-10-12 |