Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10823984 | Polarizing lens for spectacles | Shoichi Mitsuuchi, Kenzo Wada, Ryogo Nitta | 2020-11-03 |
| 10732220 | Positioning and fixing device | Katsura Tomotaki, Yoshiyuki Yokoyama, Tomohiro Yoshimochi, Masami Takatori | 2020-08-04 |