| 8614568 |
Gate drive circuit of the voltage drive type semiconductor element and power converter |
Hiroyuki Shoji, Masayuki Isogai |
2013-12-24 |
| 8207717 |
Buck-boost DC-DC converter with auxiliary inductors for zero current switching |
Hiroyuki Shoji, Yasuo Kaminaga, Akihiko Kanouda |
2012-06-26 |
| 8203322 |
DC-DC converter |
Toshikazu Okubo, Takae Shimada, Hiroyuki Shoji |
2012-06-19 |
| 7557546 |
Unidirectional DC-DC converter |
Hiroyuki Shoji, Akihiko Kanouda, Yasuo Kaminaga |
2009-07-07 |
| 7551462 |
Soft switching DC-DC converter including a buck converter and a boost converter sharing a common transformer |
Hiroyuki Shoji, Akihiko Kanouda, Yasuo Kaminaga |
2009-06-23 |
| 7051724 |
Car-mounted igniter using IGBT |
Yasuhiko Kouno |
2006-05-30 |
| 6672295 |
Vehicle-mounted ignitor |
Yasuhiko Kohno, Mutsuhiro Mori |
2004-01-06 |
| 6539928 |
Vehicle-mounted ignitor |
Yasuhiko Kohno, Mutsuhiro Mori |
2003-04-01 |
| 6448587 |
Circuit incorporated IGBT and power conversion device using the same |
Yasuhiko Kohno, Mutsuhiro Mori |
2002-09-10 |