Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9678362 | Optical device provided to an eye glass or a helmet having a voltage control unit that switches a voltage cyclically | Yukio Iigahama, Masayuki Sasagawa | 2017-06-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9678362 | Optical device provided to an eye glass or a helmet having a voltage control unit that switches a voltage cyclically | Yukio Iigahama, Masayuki Sasagawa | 2017-06-13 |