Issued Patents All Time
Showing 1–25 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12311989 | Maintenance management system and maintenance management ground system | — | 2025-05-27 |
| 12231006 | Drive control device for electric vehicle | — | 2025-02-18 |
| 11975616 | Electric vehicle drive system and method for protecting electric vehicle control apparatuses | Tetsuo Sugahara, Hirokazu TAKABAYASHI | 2024-05-07 |
| 11509013 | Storage battery module | Hirokazu TAKABAYASHI, Yukihiro Yoshida | 2022-11-22 |
| 11038221 | Storage battery module with a heat dissipating plate for interconnecting battery cells | Hirokazu TAKABAYASHI, Yukihiro Yoshida | 2021-06-15 |
| 10945355 | Power conversion device | Hidetoshi Sumita, Yu Hirayama | 2021-03-09 |
| 10688878 | Variable-gauge-train control device | Kazuki Konishi, Tsuyoshi Morimitsu, Yuichi Mimura, Soichiro Watanabe | 2020-06-23 |
| 10555442 | Power conversion device | Hiroki KAWAMOTO | 2020-02-04 |
| 10256730 | Power conversion device | Hirokazu TAKABAYASHI | 2019-04-09 |
| 10180461 | Battery internal state estimation apparatus | Toshihiro Wada, Keita Hatanaka, Yuruki Okada | 2019-01-15 |
| 10131366 | Hybrid vehicle power generation control apparatus | Yasuhiko Wada, Hisanori Yamasaki, Keita Hatanaka, Yuruki Okada | 2018-11-20 |
| 10112493 | Charge-discharge control device | Kosuke Tokito, Ryo Yokozutsumi | 2018-10-30 |
| 10065511 | Hybrid drive system | Hisanori Yamasaki, Yasuhiko Wada, Keita Hatanaka | 2018-09-04 |
| 9543862 | Electric motor control device and electric motor control method | — | 2017-01-10 |
| 9520733 | Charging and discharging device to increase battery temperature by controlling ripple current | Shoji Yoshioka, Keita Hatanaka | 2016-12-13 |
| 9493077 | Hybrid drive system | Hisanori Yamasaki, Yasuhiko Wada, Keita Hatanaka | 2016-11-15 |
| 9434259 | Electric vehicle control apparatus | — | 2016-09-06 |
| 9350283 | Inverter device for electric vehicle | — | 2016-05-24 |
| 9340111 | Control device for electric vehicle | — | 2016-05-17 |
| 9337754 | Control apparatus for AC motor | — | 2016-05-10 |
| 9240750 | Forced air cooling-type power conversion device | — | 2016-01-19 |
| 9221346 | Propulsion control apparatus for electric motor car | Toshiaki Takeoka, Keita Hatanaka | 2015-12-29 |
| 9207061 | Magnetic-pole position detection apparatus for synchronous machines | Hisanori Yamasaki, Keita Hatanaka, Masaki Kono | 2015-12-08 |
| 9160271 | Power conversion device | Hisanori Yamasaki, Keita Hatanaka | 2015-10-13 |
| 9145061 | Hybrid-vehicle power generator control apparatus | Yasuhiko Wada, Hisanori Yamasaki, Keita Hatanaka, Yuruki Okada | 2015-09-29 |