Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466376 | Plastic lens and production method thereof | Toshiyuki Koshimizu, Kazuo Ishida | 2002-10-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466376 | Plastic lens and production method thereof | Toshiyuki Koshimizu, Kazuo Ishida | 2002-10-15 |