Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10317654 | Variable magnification optical system, optical apparatus, and variable magnification optical system manufacturing method | Kensuke Uchida, Akihiko Obama, Hiroshi Yamamoto, Taku Matsuo | 2019-06-11 |
| 10203488 | Zoom lens, optical apparatus, and method for manufacturing zoom lens | Akihiko Obama, Issei Tanaka | 2019-02-12 |