Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10892677 | Power supply circuit and audio system | Takuya Kataoka | 2021-01-12 |
| 10887708 | Audio system and power supply circuit | Takuya Kataoka | 2021-01-05 |
| 10768241 | Power supply circuit and sound equipment | Takuya Kataoka | 2020-09-08 |
| 8217493 | Semiconductor device having capacitor cells | Fumihiro Inoue | 2012-07-10 |
| 7817446 | Switching power supply circuit | Naoto Endo | 2010-10-19 |
| 7696734 | Multiphase DC-DC converter | Naoto Endo | 2010-04-13 |