Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11664737 | DC transformation system | Koji Maki | 2023-05-30 |
| 10027242 | Vehicle power conversion device | Yuusuke Kouno, Nobumitsu Tada, Yuuki TSUKINARI, Yosuke Nakazawa, Tomoyuki Makino | 2018-07-17 |
| 9873335 | Electric railcar power feeding system, power feeding device, and power storage device | Nobuhiko SATAKE | 2018-01-23 |
| 9764649 | Power management apparatus, power management method and power management program | Yumi Hanashima, Miyako Miyoshi, Tatsuhiro Yamaguchi, Koji Otsuji, Kenichi Tanomura +1 more | 2017-09-19 |
| 9616770 | Electric vehicle drive apparatus, method of driving an electric vehicle, and program | Shun Taniguchi, Yosuke Nakazawa, Jin Kato | 2017-04-11 |
| 9312717 | Electric energy storage device and installation-operation method thereof | Ryo Takagi, Koji Ootsuji, Mitsuhiko Matsui, Satoshi Koizumi | 2016-04-12 |
| 9083194 | Battery charging system and train | Takeru Koga, Hirotoshi Kawai, Satoshi Koizumi | 2015-07-14 |
| 8836161 | Rolling stock system and control method thereof | Katsuhisa Inagaki, Kazuaki Yuuki, Yosuke Nakazawa, Satoshi Koizumi | 2014-09-16 |
| 8543275 | Control device, control method, and electric motor car | Takeru Koga, Hirotoshi Kawai, Satoshi Koizumi | 2013-09-24 |