Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291110 | Power source system | Seiya Miyata, Takafumi Kawakami | 2025-05-06 |
| 11894714 | Power source system | Takafumi Kawakami | 2024-02-06 |
| 11799372 | Driving apparatus and driving method for semiconductor switch, power conversion apparatus, and vehicle | Keiji Tashiro | 2023-10-24 |
| 11721472 | Coil component, circuit board, and power supply device | Xiaoguang Zheng, Kazushi Kusawake | 2023-08-08 |
| 10811953 | Power supply device | Keiji Tashiro | 2020-10-20 |
| 10811976 | Electronic circuit device | Yusuke Okagawa | 2020-10-20 |
| 10250121 | Converter and control circuit | Tatsuya Izumi, Keiji Tashiro | 2019-04-02 |
| 10224818 | Power conversion apparatus and control method for power conversion apparatus | Keiji Tashiro | 2019-03-05 |
| 9660517 | DC-AC conversion device, control circuit controlling operation of DC-AC conversion device, and control method for controlling operation of DC-AC conversion device | Tatsuya Izumi | 2017-05-23 |