Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8917053 | Electric power converter with transformer | — | 2014-12-23 |
| 7710063 | Electric power converter | Yasuhiko Kitajima, Kengo Maikawa | 2010-05-04 |
| 7710065 | Power conversion system and power conversion control method | Sho Sato, Kengo Maikawa, Yuki Nakajima | 2010-05-04 |
| 7659689 | Power conversion apparatus and method and automobile | Yasuhiko Kitajima, Kengo Maikawa | 2010-02-09 |
| 7656689 | Power converter and control method for a power converter using serially-connected DC power sources | Yasuhiko Kitajima | 2010-02-02 |
| 7598692 | Electric power converter, electric power converter controlling method and electric power converting system | Kengo Maikawa | 2009-10-06 |
| 7586768 | Electric power conversion apparatus for plural DC voltage sources and an AC electrical load | — | 2009-09-08 |
| 7557527 | Electrical power converter and control method | Yasuhiko Kitajima, Kengo Maikawa | 2009-07-07 |
| 7183728 | Motor drive system and process | Yasuhiko Kitajima | 2007-02-27 |
| 7122991 | Power conversion and vehicle | Yasuhiko Kitajima, Masanori Yamagiwa, Ryuuta Yamaguchi, Yutaka Tajima, Yasuaki Hayami | 2006-10-17 |
| 7034493 | Motor control apparatus and motor control method | Yasuhiko Kitajima | 2006-04-25 |
| 6927551 | Motor control apparatus and motor control method | — | 2005-08-09 |
| 6861813 | Motor control apparatus and motor control method | Yasuhiko Kitajima | 2005-03-01 |
| 6727675 | Motor control apparatus and motor control method | Yasuhiko Kitajima | 2004-04-27 |
| 6674262 | Motor control apparatus and motor control method | Yasuhiko Kitajima, Masahiro Tsukamoto, Kouichirou Yonekura | 2004-01-06 |