Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10451858 | Zoom optical system, optical device and method for manufacturing the zoom optical system | Akihiko Obama | 2019-10-22 |
| 10317654 | Variable magnification optical system, optical apparatus, and variable magnification optical system manufacturing method | Akihiko Obama, Norikazu Yokoi, Hiroshi Yamamoto, Taku Matsuo | 2019-06-11 |