Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10075092 | Neutral point power converter with first and second chopper cell groups | Ryuta Hasegawa, Daichi Suzuki | 2018-09-11 |
| 10027242 | Vehicle power conversion device | Yuusuke Kouno, Masayuki Nogi, Nobumitsu Tada, Yuuki TSUKINARI, Tomoyuki Makino | 2018-07-17 |
| 9722507 | Electric power conversion apparatus | Takeru Murao, Shunsuke Tamada | 2017-08-01 |
| 9673715 | Switching element driving power supply circuit | Ryuta Hasegawa | 2017-06-06 |
| 9643496 | Power conversion apparatus for vehicle and vehicle | Yuusuke Kouno, Kentaro Suzuki, Ryuta Hasegawa, Tomoyuki Makino | 2017-05-09 |
| 9616770 | Electric vehicle drive apparatus, method of driving an electric vehicle, and program | Masayuki Nogi, Shun Taniguchi, Jin Kato | 2017-04-11 |
| 9450509 | Power conversion apparatus | Yuusuke Kouno, Kentaro Suzuki, Ryuta Hasegawa, Tomoyuki Makino | 2016-09-20 |
| 9423470 | Magnetic polarity determination device, permanent magnet synchronous motor control device, and magnetic polarity determination method | Shun Taniguchi, Kazuya Yasui, Kazuaki Yuuki | 2016-08-23 |
| 9379548 | Multilevel reactive power compensator | Yushi Koyama, Hiroshi Mochikawa, Atsuhiko Kuzumaki, Takeru Murao | 2016-06-28 |
| 9369065 | Power conversion device | Takeru Murao, Masahiro Tsumenaga | 2016-06-14 |
| 9287797 | Electric power converting device and electric power converting method | Ryuta Hasegawa, Kentaro Suzuki, Katsuhisa Inagaki, Teruyuki Ishizuki | 2016-03-15 |
| 8896365 | Semiconductor switch having reverse voltage application circuit and power supply device including the same | Kazuyasu Takimoto, Hiroshi Mochikawa, Hiromichi Tai, Atsuhiko Kuzumaki | 2014-11-25 |
| 8890455 | Electric vehicle control device | Shinichi Toda, Ikuo Yasuoka | 2014-11-18 |
| 8847521 | Electric-vehicle control apparatus | Shinichi Toda, Ikuo Yasuoka | 2014-09-30 |
| 8836161 | Rolling stock system and control method thereof | Masayuki Nogi, Katsuhisa Inagaki, Kazuaki Yuuki, Satoshi Koizumi | 2014-09-16 |
| 8599585 | Power conversion device | Ikuo Yasuoka, Shinichi Toda, Mitsuhiro Numazaki, Makoto Takeda, Takahiko Minami +1 more | 2013-12-03 |
| 8531855 | Power conversion apparatus | Kyungsoo Lee | 2013-09-10 |
| 8519649 | Control device of a synchronous motor | Shun Taniguchi, Kazuya Yasui, Kazuaki Yuuki | 2013-08-27 |
| 7965003 | Motor drive system for railway vehicle | Shinichi Noda, Kazuaki Yuuki, Kazuaki Fukuda | 2011-06-21 |
| 7904216 | Electric train control apparatus | Tetsu Tone | 2011-03-08 |
| 7084603 | Motor control device | Hitoshi Taguchi, Takeshi Kitahata | 2006-08-01 |
| 7057361 | Inverter control device and electric vehicle thereof | Takeshi Kitahata, Hisanori Shibata, Yoshinobu Nakamura, Motoyasu Mochizuki, Yoshinori Sugimoto +1 more | 2006-06-06 |
| 6828750 | Method of controlling a motor and device therefor | — | 2004-12-07 |
| 6707266 | Motor control device | — | 2004-03-16 |
| 6580247 | Motor control device | — | 2003-06-17 |