Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11150451 | Zoom optical system, optical apparatus and method for manufacturing the zoom optical system | Takeshi Umeda, Atsushi Shibayama | 2021-10-19 |
| 11152788 | Power system | Yasufumi Takahashi, Atsushi Shimizu | 2021-10-19 |
| 11079575 | Variable magnification optical system, optical device, and method for manufacturing variable magnification optical system | — | 2021-08-03 |
| 11025056 | Power conversion apparatus, power conversion system, and method for controlling power conversion apparatus | Akihiro Kikuchi, Kenji Hanamura | 2021-06-01 |