Issued Patents All Time
Showing 25 most recent of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12316329 | Zero-cross detection device and load driving system | Natsuki Yamamoto | 2025-05-27 |
| 12105123 | Zero-crossing detection circuit | Akinobu Sawada, Natsuki Yamamoto | 2024-10-01 |
| 12081129 | Power control device, DC-DC converter, and AC-DC converter | Yoshinori Sato | 2024-09-03 |
| 11909321 | Power supply controller and insulated switching power supply | Yoshinori Sato, Yohei Akamatsu, Hiroaki Sawaoka | 2024-02-20 |
| 11848615 | Power IC including a feedback resistor, and a switching power supply and electronic appliance including the power IC | Yoshinori Sato | 2023-12-19 |
| 11764685 | Power supply control device and insulated switching power supply | Yohei Akamatsu | 2023-09-19 |
| 11733275 | Zero-crossing detection circuit | Akinobu Sawada, Natsuki Yamamoto | 2023-08-22 |
| 11736003 | Control device of power factor correction circuit, power factor correction circuit, power supply device, and semiconductor device | Yoshinori Sato, Yifei TANG | 2023-08-22 |
| 11722063 | Semiconductor device and isolated switching power supply | — | 2023-08-08 |
| 11637489 | Isolated DC/DC converter and AC/DC converter | Yifei TANG | 2023-04-25 |
| 11509216 | Semiconductor device for non-isolated buck converter, non-isolated buck converter, and power supply device | Yoshinori Sato, Yifei TANG | 2022-11-22 |
| 11509225 | Power IC including a feedback resistor, and a switching power supply and electronic appliance including the power IC | Yoshinori Sato | 2022-11-22 |
| 11303206 | Semiconductor device and load control system | Natsuki Yamamoto | 2022-04-12 |
| 11258441 | Drive circuit | Shinji TAKIZAWA | 2022-02-22 |
| 11196334 | Current sense circuit | Yoshinori Sato | 2021-12-07 |
| 11181562 | Zero-crossing detection circuit | Akinobu Sawada, Natsuki Yamamoto | 2021-11-23 |
| 11025155 | Power supply control device for setting minimum on width of output switch | Yoshinori Sato | 2021-06-01 |
| D914621 | Packaged semiconductor module | Makoto Hirata, Shingo Matsumaru | 2021-03-30 |
| 10957636 | Semiconductor device | Makoto Hirata, Shingo Matsumaru | 2021-03-23 |
| 10756636 | Power control device switchable between multiple operating modes having different power consumption | Yoshinori Sato, Yuta SHIROISHI | 2020-08-25 |
| 10389256 | Isolated DC/DC converter and primary side controller thereof, control method and power adaptor and electronic device using the same | — | 2019-08-20 |
| 10256715 | Switching power supply device | — | 2019-04-09 |
| 10243344 | Semiconductor device | — | 2019-03-26 |
| 10135358 | Switching regulator operable to alter feedback based on load | — | 2018-11-20 |
| 10014785 | Insulation type switching power source apparatus | — | 2018-07-03 |