Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10162089 | Light amount adjustment device and optical device | Osamu Sato | 2018-12-25 |
| 9366941 | Light amount adjustment device, optical device, and image capturing apparatus | Takahito Yoshizawa | 2016-06-14 |