Inventor
Takehiko Kowatari
Inventor
Kashiwa, JP
Overview
Patents· 37 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines24%
Y02TClimate change mitigation technologies related to transportation13%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof11%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles9%
B60WConjoint control of vehicle sub-units of different type or different function8%
B60LPropulsion of electrically-propelled vehicles7%
G01FMeasuring volume, volume flow, mass flow or liquid level7%
F16KValves6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
B01DSeparation1%
PatentTitleYear
8,991,783'Fuel injection valve for internal combustion engine'20158,230,839'Fuel injection valve'20128,104,698'Fuel injection valve'20128,033,714'Fluid mixing apparatus'20117,774,126'Electromagnetic fuel injection valve device'20107,703,561'Power steering system'20107,607,418'Fuel injection nozzle and method of holding the same'20097,455,143'Vehicle drive unit'20087,387,263'Fuel injection valve of engine, fuel injection method and assembling method of the same'20087,383,902'Hybrid car and control apparatus therefor, and hybrid four-wheel-drive car and control apparatus therefor'20087,357,123'Electromagnetic actuator, fuel injection valve, method of controlling fuel injection valve, and method of driving the same'20087,308,960'Vehicle drive train unit and vehicle drive train system'20077,243,635'Throttle valve opening and closing device'20077,237,639'Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicle'20077,219,497'Hybrid car and control method of the same'20077,174,877'Throttle valve opening and closing device'20077,114,589'Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicle'20067,054,726'Control apparatus for vehicle-use electric power generator'20067,040,439'Hybrid car control apparatus'20067,040,283'Throttle valve opening and closing device'20066,932,051'Throttle valve opening and closing device'20056,912,993'Throttle system'20056,697,743'Apparatus for measuring intake air flow of internal combustion engine'20046,684,850'Electric-control-type throttle apparatus'20046,543,416'Electric-control-type throttle apparatus'20036,543,412'Intake air control device and internal combustion engine mounting the same'20036,508,236'Fuel supply device and internal combustion engine mounting the same'20036,459,984'Intake air flow rate measurement apparatus'20026,401,690'Electric-control-type throttle apparatus'20026,386,182'Method and apparatus for controlling intake air flow rate of an engine and method for controlling output'20026,334,083'Intake air flow rate measurement apparatus'20016,199,537'Method and apparatus for controlling intake air flow rate of an engine and method for controlling output'20016,098,594'Electric-control-type throttle apparatus'20006,089,208'Throttle valve opening and closing apparatus for a vehicle, and vehicle internal combustion engine using the apparatus'20005,952,571'Thermal type flow meter'19995,832,403'Air flow measuring apparatus and method thereof'19985,750,889'Air flow rate measuring apparatus and air flow rate measuring method'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2012Patents assigned to HITACHI LTD (35)· patent assignee history
1998Based in Chiyoda-ku, JP· patent location history
1998Based in Ibaraki, JP· patent location history
1999–2004Patents assigned to HITACHI CAR ENG CO LTD (8)· patent assignee history
1999–2015Based in Kashiwa, JP· patent location history
2007Based in Tokyo, JP· patent location history
2012–2015Patents assigned to ABE MOTOYUKI (3)· patent assignee history
2012–2015Patents assigned to HAYATANI MASAHIKO (3)· patent assignee history
2012–2015Patents assigned to KOWATARI TAKEHIKO (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 35 | 1998–2012 |
| HITACHI CAR ENG CO LTD | 8 | 1999–2004 |
| ABE MOTOYUKI | 3 | 2012–2015 |
| HAYATANI MASAHIKO | 3 | 2012–2015 |
| KOWATARI TAKEHIKOself | 3 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kashiwa, JP | 34 | 1999–2015 |
| Tokyo, JP | 1 | 2007 |
| Chiyoda-ku, JP | 1 | 1998 |
| Ibaraki, JP | 1 | 1998 |