Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10466577 | Projector | Toshihiko Nagumo | 2019-11-05 |
| 10168267 | Rotational speed detection device, viscosity measurement device using the device, rotational speed detection method, and rotating object used in the method | Keiji Sakai | 2019-01-01 |