Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10451859 | Zoom optical system, optical device and method for manufacturing the zoom optical system | Satoru Shibata | 2019-10-22 |
| 10234663 | Variable power optical system, optical device, and method of manufacturing variable power optical system | Akihiko Obama | 2019-03-19 |
| 10209498 | Zoom optical system, optical device and method for manufacturing the zoom optical system | Satoru Shibata | 2019-02-19 |
| 10209499 | Zoom optical system, optical device and method for manufacturing the zoom optical system | Satoru Shibata | 2019-02-19 |
| 10185130 | Variable magnification optical system, optical device, and method for manufacturing variable magnification optical system | Akihiko Obama | 2019-01-22 |
| 10168512 | Variable magnification optical system, optical device, and production method for variable magnification optical system | Akihiko Obama | 2019-01-01 |