Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438004 | Power conversion apparatus utilizing soft switching resonant snubber circuitry | Katsuaki Tanaka, Yoshihisa Okita | 2002-08-20 |
| 6414854 | Driving device and method of switching element in power conversion apparatus using current-controlled semiconductor switching element | Yoshihisa Okita, Katsuaki Tanaka, Yoshinobu Takayanagi | 2002-07-02 |
| 6411078 | Current sensor apparatus | Shiro Nakagawa, Katsuaki Tanaka, Katsumi Yabusaki | 2002-06-25 |
| 6353543 | Switching circuit of power conversion apparatus | Yoshihisa Okita, Katsuaki Tanaka | 2002-03-05 |