Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10520376 | Load cell having a computation unit which computes displacement amount of the diffraction grating | Fuyuki Miyazawa, Katsuhiro Oyama, Isao Matsuda, Yasuhito Hagiwara | 2019-12-31 |
| 10012519 | Displacement measurement device and displacement measurement method | Fuyuki Miyazawa, Yasuhito Hagiwara, Katsuhiro Oyama | 2018-07-03 |
| 9719809 | Optical unit and displacement measuring device | Katsuhiro Oyama, Fuyuki Miyazawa, Yasuhito Hagiwara, Isao Matsuda | 2017-08-01 |
| 8715805 | Optical recording medium | Isao Matsuda, Takuo Kodaira | 2014-05-06 |