Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10466453 | Optical system and optical device provided therewith | Kunihiko Shimizu, Akihiko Obama, Takuji Hamasaki | 2019-11-05 |
| 8437096 | Optical device and optical instrument | — | 2013-05-07 |
| 4872548 | Intermittently-driven belt conveyor | Satoru Masuda | 1989-10-10 |