Inventor
Takeshi Maenaka
Inventor
Toyota, JP
Overview
12→
Patents
2007–2018
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy24%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution24%
Y02TClimate change mitigation technologies related to transportation16%
B60LPropulsion of electrically-propelled vehicles11%
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 systems8%
H02JElectric power networks5%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for3%
F02PIgnition, other than compression ignition, for internal-combustion engines3%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters3%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications3%
PatentTitleYear
9,905,869'Fuel cell system and method of controlling the same'20189,142,846'Fuel cell system and fuel cell activation method'20158,999,591'Fuel cell system for preventing excessive power generation'20158,722,266'Fuel cell system'20148,420,269'Fuel cell system'20138,400,101'Power supply control circuit'20138,273,490'Fuel cell system'20128,268,495'Controller in a fuel cell system that controls the measurement of AC impedance and drives the DC/DC converter'20128,159,850'Converter control device'20127,947,403'Fuel cell system'20117,633,783'Converter control device'20097,305,871'Cylinder discriminating device and method thereof, and engine ignition control device and method thereof'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007Based in Hyogo, JP· patent location history
2009–2018Patents assigned to TOYOTA MOTOR CO LTD (10)· patent assignee history
2009–2018Based in Toyota, JP· patent location history
2012–2018Patents assigned to MAENAKA TAKESHI (9)· patent assignee history
2012–2018Patents assigned to IMAI ATSUSHI (4)· patent assignee history
2012–2018Patents assigned to UMAYAHARA KENJI (4)· patent assignee history
2012Patents assigned to HASEGAWA TAKAHIKO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOYOTA MOTOR CO LTD | 10 | 2009–2018 |
| MAENAKA TAKESHIself | 9 | 2012–2018 |
| IMAI ATSUSHI | 4 | 2012–2018 |
| UMAYAHARA KENJI | 4 | 2012–2018 |
| HASEGAWA TAKAHIKO | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Toyota, JP | 11 | 2009–2018 |
| Hyogo, JP | 1 | 2007 |