Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10581318 | Resonant converter including capacitance addition circuits | Yuki Ishikura | 2020-03-03 |
| 10020746 | DC-DC converter with overvoltage protection | Hiroyuki Horii | 2018-07-10 |
| 9419542 | Inverter device | Yue Ma, Hitoshi Tsuji | 2016-08-16 |
| 9350238 | Power supply device for vehicle including a boosting converter circuit | Takashi Hara, Masashi Ikenari | 2016-05-24 |
| 9148072 | Inverter apparatus | Junichi Itoh, Yoshiya Ohnuma | 2015-09-29 |
| 8276007 | Processor and switching power supply apparatus | Takashi Hara | 2012-09-25 |
| 7868584 | DC-DC converter | Takashi Hara, Takayoshi Nishiyama | 2011-01-11 |
| 7852647 | Switching power supply digital control circuit protecting from magnetic saturation effects | Takayoshi Nishiyama, Takashi Hara | 2010-12-14 |
| 7821797 | Isolated DC-DC converter | Takayoshi Nishiyama | 2010-10-26 |
| 7042692 | Electromagnetic apparatus drive apparatus | Kimitada Ishikawa | 2006-05-09 |
| 5684445 | Power transformer | Yasuo Kobayashi | 1997-11-04 |
| 5479329 | Switching power supply having output terminal disconnection detecting circuit | Masahiro Motonobu, Yasuo Kobayashi | 1995-12-26 |