Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10444547 | Functional laminated spectacle lens having functional layer formed by spin-coating | Hiroo Tamura, Shoichi Mitsuuchi, Ryogo Nitta | 2019-10-15 |
| 10267966 | Composite functional polarized lens | Kanichi Tamura, Shoichi Mitsuuchi, Ryogo Nitta | 2019-04-23 |
| 10168554 | Photochromic lens | Kanichi Tamura, Shoichi Mitsuuchi, Atsushi Takata | 2019-01-01 |