Inventor
Kazuki Najima
Inventor
Kariya, JP
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters18%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems13%
F04BPositive-displacement machines for liquids10%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids10%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles8%
B60LPropulsion of electrically-propelled vehicles5%
H02JElectric power networks5%
Y02TClimate change mitigation technologies related to transportation5%
F04DNon-positive-displacement pumps3%
H02HEmergency protective circuit arrangements3%
PatentTitleYear
10,989,195In-vehicle motor-driven compressor and method for controlling in-vehicle motor-driven compressor202110,458,420Method for controlling motor-driven compressor configured to be installed in vehicle201910,284,131Motor-driven compressor for a vehicle20199,806,661'Control device for on-vehicle electric compressor'20179,806,512'Protective device for LC filter'20179,707,825'Controller and in-vehicle motor-driven compressor'20179,447,924'Motor driven compressor for a vehicle'20169,249,801'Motor-driven compressor and air conditioner'20168,834,131'Motor-driven compressor and controller therefor'20148,736,221'Direct-current to three-phase alternating-current inverter system'20148,618,753'Inverter device'20138,604,732'Inverter unit'20138,441,225'Direct-current to three-phase alternating-current inverter system'20137,498,545'Electric motor controller in electric compressor'20097,202,618'Inverter device'20076,505,473'Vehicle air conditioner and method for controlling vehicle air conditioner'20036,481,225'Air conditioning apparatus for vehicle and its control method'20026,310,465'Battery charging device'20016,037,745'Battery charger with monitor and protection circuits'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2021Based in Kariya, JP· patent location history
2002–2021Patents assigned to TOYOTA JIDOSHOKKI KK (17)· patent assignee history
2007Based in Chiryu, JP· patent location history
2013–2014Patents assigned to NAJIMA KAZUKI (5)· patent assignee history
2013–2014Patents assigned to KAGAWA FUMIHIRO (2)· patent assignee history
2013–2014Patents assigned to KAWASHIMA TAKASHI (2)· patent assignee history
2013–2014Patents assigned to NARUSE TAKUYA (2)· patent assignee history
2013–2016Based in Aichi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOYOTA JIDOSHOKKI KK | 17 | 2002–2021 |
| NAJIMA KAZUKIself | 5 | 2013–2014 |
| KAGAWA FUMIHIRO | 2 | 2013–2014 |
| KAWASHIMA TAKASHI | 2 | 2013–2014 |
| NARUSE TAKUYA | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kariya, JP | 12 | 2000–2021 |
| Aichi, JP | 6 | 2013–2016 |
| Chiryu, JP | 1 | 2007 |