Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740721 | Plastic lens composition, plastic lens, and process for producing the plastic lens | Kazuhiko Ooga, Tsuneo Tajima, Hiroshi Uchida | 2004-05-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740721 | Plastic lens composition, plastic lens, and process for producing the plastic lens | Kazuhiko Ooga, Tsuneo Tajima, Hiroshi Uchida | 2004-05-25 |