Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10663634 | ND filter with plastic base material, and ND filter with plastic base material for eyeglasses | Ryosuke Suzuki | 2020-05-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10663634 | ND filter with plastic base material, and ND filter with plastic base material for eyeglasses | Ryosuke Suzuki | 2020-05-26 |