Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10705212 | Optical sensor and electronic device | Hideki Sato, Takayuki Shimizu, Takuma Hiramatsu | 2020-07-07 |
| 10677648 | Optical sensor and electronic device | Takuma Hiramatsu, Takayuki Shimizu, Hideki Sato | 2020-06-09 |
| 10555387 | Light-emitting element drive circuit and portable electronic instrument | Takayuki Shimizu, Hideki Sato, Takuma Hiramatsu | 2020-02-04 |