Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9720142 | Optical component and timepiece | — | 2017-08-01 |
| 9639059 | Optical component and timepiece | Katsumi Suzuki | 2017-05-02 |
| 9581732 | Optical component and timepiece | Katsumi Suzuki | 2017-02-28 |