Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11002950 | Microscope objective | Keisuke Ichikawa | 2021-05-11 |
| 9983398 | Microscope tube lens, microscope apparatus and image pickup optical system | — | 2018-05-29 |
| 9664886 | Microscope tube lens, microscope apparatus and image pickup optical system | — | 2017-05-30 |
| 9606333 | Relay optical system and microscope apparatus | — | 2017-03-28 |