Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340226 | Spectacles accommodating interchangeable/replaceable lens | Toshihisa Akaba, Yasushi Sakai, Hakaru Fujita, Youichi Ishiguro, Isao Iizuka +1 more | 2002-01-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340226 | Spectacles accommodating interchangeable/replaceable lens | Toshihisa Akaba, Yasushi Sakai, Hakaru Fujita, Youichi Ishiguro, Isao Iizuka +1 more | 2002-01-22 |