Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10133041 | Zoom lens and image pickup apparatus using the same | — | 2018-11-20 |
| 10073255 | Single focal length lens and optical apparatus using the same | Kenichi Nagasawa | 2018-09-11 |
| 9958656 | Zoom lens and image pickup apparatus using the same | Kazuteru Kawamura, Takashi Fujikura, Kenichi Nagasawa | 2018-05-01 |