Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9246428 | Vector control device for an electric motor that controls an electric power converter that converts DC power to AC power, electric motor, vehicle drive system, and vector control method for electric motor | Ryo Yokozutsumi, Yuruki Okada, Sho Kato | 2016-01-26 |
| 9207061 | Magnetic-pole position detection apparatus for synchronous machines | Keita Hatanaka, Masaki Kono, Hidetoshi Kitanaka | 2015-12-08 |
| 9199651 | Vehicle control apparatus and control method for hybrid vehicle for railroad | Yasuhiko Wada, Keita Hatanaka, Yuruki Okada | 2015-12-01 |
| 9160271 | Power conversion device | Keita Hatanaka, Hidetoshi Kitanaka | 2015-10-13 |
| 9145061 | Hybrid-vehicle power generator control apparatus | Yasuhiko Wada, Keita Hatanaka, Hidetoshi Kitanaka, Yuruki Okada | 2015-09-29 |
| 8847528 | Control apparatus and control method for AC rotary machine | Sho Kato, Masaki Kono, Keita Hatanaka | 2014-09-30 |
| 8836253 | Control apparatus for AC rotary machine | Sho Kato, Keita Hatanaka, Hidetoshi Kitanaka, Yoshinori Yamashita | 2014-09-16 |
| 8816622 | Control apparatus for rotating machine | Sho Kato, Keita Hatanaka, Hidetoshi Kitanaka, Yoshinori Yamashita | 2014-08-26 |
| 8489262 | Electric vehicle controller | — | 2013-07-16 |
| 8279641 | Electric power conversion apparatus having frequency fixing unit to control beat phenomenon | Syoichi Kawamoto, Daisuke Ito, Hidetoshi Kitanaka, Keita Hatanaka, Masaki Kono +1 more | 2012-10-02 |
| 8077491 | Inverter controller | — | 2011-12-13 |