Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11025047 | Backflow prevention circuit and power supply circuit | Tsutomu Tomioka | 2021-06-01 |
| 11012041 | Differential amplifier circuit | Hideyuki SAWAI, Tsutomu Tomioka | 2021-05-18 |
| 10914783 | Test circuit and semiconductor device | Tsutomu Tomioka, Hideyuki SAWAI | 2021-02-09 |