Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9825529 | Voltage conversion control apparatus for a boost converter configured to boost or step down output voltage of an electricity storage apparatus | Masaki Okamura, Toshifumi Yamakawa | 2017-11-21 |
| 9669727 | Electrical source control apparatus | Masaki Okamura, Takaji Umeno, Shuji Tomura, Masanori Ishigaki, Naoki Yanagizawa | 2017-06-06 |
| 9553541 | Electric motor control apparatus | Toshifumi Yamakawa, Masaki Okamura | 2017-01-24 |
| 9434273 | Electrical source control apparatus | Masaki Okamura, Takaji Umeno, Shuji Tomura, Masanori Ishigaki, Naoki Yanagizawa | 2016-09-06 |
| 9374022 | Control apparatus and control method for voltage conversion apparatus | Masaki Okamura | 2016-06-21 |
| 9178449 | Motor drive system control apparatus | Masaki Okamura | 2015-11-03 |
| 9035594 | Boost converter control apparatus | Masaki Okamura | 2015-05-19 |
| 8866430 | Apparatus for controlling boost converter | Masaki Okamura | 2014-10-21 |
| 8796960 | Control device for motor drive system and vehicle incorporating the same | Masaki Okamura | 2014-08-05 |
| 8760097 | Control device for converter and electrically powered vehicle provided with the same | Masaki Okamura, Daigo Nobe | 2014-06-24 |
| 8653772 | Control device for voltage conversion device, vehicle incorporating the same, and control method for voltage conversion device | Masaki Okamura, Yasuhiro Koike | 2014-02-18 |
| 8575875 | Control device for voltage converter, vehicle equipped with the same, and control method for voltage converter | Masaki Okamura | 2013-11-05 |
| 8525455 | Motor actuation control device | Masaki Okamura | 2013-09-03 |
| 8519653 | Control device and control method for AC motor | Masaki Okamura, Takanori Degaki | 2013-08-27 |
| 8499873 | Motor device mounted on mobile body and mobile body having the motor device mounted thereon | Daigo Kikuta | 2013-08-06 |
| 8490725 | Motor insulation protecting device, and vehicle having the device | Daigo Kikuta | 2013-07-23 |
| 8477518 | Device for driving inverter | Satoshi Hirose | 2013-07-02 |
| 8274778 | Capacitor | Fumitaka Yoshinaga | 2012-09-25 |
| 8264098 | Load driving device including first and second electric power lines between power supply and electric power conversion device | Fumitaka Yoshinaga | 2012-09-11 |
| 8127564 | Cooling system | Takeshi Yamazaki | 2012-03-06 |
| 8112853 | Method of manufacturing capacitor-integrated busbar | Fumitaka Yoshinaga | 2012-02-14 |
| 8050064 | Semiconductor power conversion device | Hiromichi Kuno, Satoshi Hirose, Hiroya Tsuji, Hiroyuki Sakakibara, Kazuki Fukatsu | 2011-11-01 |
| 7923961 | Vehicle equipped with motor and inverter | Masaki Okamura | 2011-04-12 |
| 7847604 | Driving circuit for power semiconductor element including controlling circuit that provides control when detected voltage reaches predetermined voltage | Hiroo Fuma, Hiromichi Kuno, Satoshi Hirose | 2010-12-07 |