Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10126535 | Variable magnification optical system, optical device, and production method for variable magnification optical system | Akihiko Obama | 2018-11-13 |
| 10018814 | Zoom optical system, optical device and method for manufacturing the zoom optical system | Satoru Shibata | 2018-07-10 |
| 9983391 | Variable power optical assembly, optical device, and variable power optical assembly fabrication method | Akihiko Obama | 2018-05-29 |
| 9874730 | Variable magnification optical system, optical device, and production method for variable magnification optical system | Akihiko Obama | 2018-01-23 |