Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12431793 | Power factor correction switching power supply device | Hiroyuki TAKATSUJI, Tatsuya Hosotani | 2025-09-30 |
| 12368373 | Switching power supply device | Hiroyuki TAKATSUJI, Tatsuya Hosotani | 2025-07-22 |
| 12308743 | Single inductor converter with current loops in opposite directions | — | 2025-05-20 |
| 11716009 | Three-level converter | — | 2023-08-01 |
| 11296592 | Switching converter | Tatsuya Hosotani | 2022-04-05 |
| 10700540 | DC power supply system | Shuichi Tagawa | 2020-06-30 |
| 10581318 | Resonant converter including capacitance addition circuits | Koichi Ueki | 2020-03-03 |
| 10333414 | Switching power supply device | — | 2019-06-25 |
| 7922683 | Extracorporeal circulator | Mitsuaki Ogihara, Hidetaka Nakayama, Kazuhiko Takeuchi, Akiyasu Ito | 2011-04-12 |