Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656231 | Dyeing method of dyeing plastic lens | — | 2003-12-02 |
| 6554873 | Dyeing method of dyeing plastic lens, dyeing device and dyeing jig | Masanori Uetani | 2003-04-29 |
| 6534443 | Dyeing method of dyeing plastic lens and base body to be used for dyeing plastic lens | — | 2003-03-18 |