Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11740394 | Power prism for folded lenses | Norimichi Shigemitsu, Kazuya Fujita, Hideki Tanaka | 2023-08-29 |
| 11340388 | Power prism for folded lenses | Norimichi Shigemitsu, Kazuya Fujita, Hideki Tanaka | 2022-05-24 |