Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11619769 | Adapter optical system and focal length variable optical system | Tatsuya Nagahama | 2023-04-04 |
| 11307330 | Variable focal length optical system | Koji Kubo | 2022-04-19 |
| 11274916 | Measurement device employing color appearing due to interference of white light, system, and program | Masashi Ishige | 2022-03-15 |
| 11237354 | Variable focal length lens apparatus | Tatsuya Nagahama, Koji Kubo, Masaki Okayasu, Atsushi Usami | 2022-02-01 |
| 11193757 | Image pick-up device, image measurement apparatus, non-contact displacement-detecting device and non-contact profile-measuring device | Satoru Yoshida, Tatsuya Nagahama, Masafumi Yamanaka, Hitoshi Isobe, Naoto Oita +9 more | 2021-12-07 |
| 10830585 | Non-contact type displacement sensor | Koji Kubo | 2020-11-10 |
| 10663629 | Variable focal length lens apparatus | Tatsuya Nagahama, Yuki Kurahashi | 2020-05-26 |
| 9733464 | Focus detection unit and optical apparatus | Eisuke Moriuchi, Tatsuya Nagahama | 2017-08-15 |
| 8451334 | Calibration pattern for imaging device | — | 2013-05-28 |