Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9041404 | Electric power storage system | Shoji Yoshioka, Keita Hatanaka | 2015-05-26 |
| 9013151 | State-of-charge estimation apparatus | Akiko Tabuchi, Shoji Yoshioka, Keita Hatanaka | 2015-04-21 |
| 9013135 | Power converting apparatus for electric motor vehicle propulsion | — | 2015-04-21 |
| 9013125 | Electric power converter of electric rolling stock | — | 2015-04-21 |
| 8975897 | State-of-charge estimating apparatus | Shoji Yoshioka, Akiko Tabuchi, Keita Hatanaka | 2015-03-10 |
| 8836253 | Control apparatus for AC rotary machine | Sho Kato, Hisanori Yamasaki, Keita Hatanaka, Yoshinori Yamashita | 2014-09-16 |
| 8816622 | Control apparatus for rotating machine | Sho Kato, Hisanori Yamasaki, Keita Hatanaka, Yoshinori Yamashita | 2014-08-26 |
| 8803457 | AC motor drive control device | Mitsuru Tsukima | 2014-08-12 |
| 8716884 | Vehicle controller | Minoru Ikemoto, Hideo Okayama, Hidetoshi Sumita, Yoshinobu Koji, Kiyonobu Ueda +2 more | 2014-05-06 |
| 8688301 | Power converter | — | 2014-04-01 |
| 8669729 | Power converting apparatus for electric vehicle | Masaki Kono, Kenichi Kusano, Yoshinori Yamashita, Keita Hatanaka | 2014-03-11 |
| 8615341 | Propulsion control apparatus for electric vehicle | — | 2013-12-24 |
| 8596434 | Electric railway system | — | 2013-12-03 |
| 8598837 | Driving controller for AC motor | Hideo Okayama, Shinichi Furutani, Toshie Takeuchi, Mitsuru Tsukima | 2013-12-03 |
| 8593843 | Electric power conversion device capable of suppressing electric oscillations | — | 2013-11-26 |
| 8531150 | DCDC converter | — | 2013-09-10 |
| 8525486 | Power converter | — | 2013-09-03 |
| 8427004 | Electric-vehicle controller and power storage unit shutoff switch | — | 2013-04-23 |
| 8406953 | Control apparatus for electric vehicle | Shoichi Kawamoto | 2013-03-26 |
| 8344680 | Control apparatus of alternating-current motor | — | 2013-01-01 |
| 8285430 | Controlling device for railway electric car | Masataka Yabuuchi, Keiji Nakatsu | 2012-10-09 |
| 8279641 | Electric power conversion apparatus having frequency fixing unit to control beat phenomenon | Syoichi Kawamoto, Daisuke Ito, Keita Hatanaka, Hisanori Yamasaki, Masaki Kono +1 more | 2012-10-02 |
| 8278855 | Controller of motor preventing an increase in inverter loss | — | 2012-10-02 |
| 8269451 | Power conversion device | — | 2012-09-18 |
| 8258735 | Power converting apparatus for motor driving | — | 2012-09-04 |