Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12244223 | Control circuit of power factor improvement circuit and semiconductor integrated circuit device | Takumi FUJIMAKI | 2025-03-04 |
| 11705807 | Control circuit of power factor improvement circuit and semiconductor integrated circuit device | Takumi FUJIMAKI | 2023-07-18 |
| 11029365 | Semiconductor device | Junichi Hagino | 2021-06-08 |
| 10924003 | Switching power supply | — | 2021-02-16 |