Inventor

Yutaka Taga

Inventor

Aichi, JP

Overview

1976–2015

Patent span

Performing operations

Primary field (CPC B)

Patents· 150 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F16Hprimary

F16HGearing25%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles18%

B60WConjoint control of vehicle sub-units of different type or different function14%

Y02TClimate change mitigation technologies related to transportation14%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%

B60LPropulsion of electrically-propelled vehicles7%

Y10TTechnical subjects covered by former us classification4%

B60TVehicle brake control systems or parts thereof1%

F02DControlling combustion engines1%

F16DCouplings for transmitting rotation1%

PatentTitleYear

8,983,696'Control device for a vehicle'2015 8,360,928'Drive apparatus for vehicle'2013 8,135,522'Control device for vehicular drive system'2012 8,036,798'Controller of driver for vehicle'2011 7,988,579'Vehicular drive system'2011 7,959,534'Hybrid driving apparatus with multistage transmission provided in power transmission path and control method thereof'2011 7,942,775'Drive apparatus for vehicle'2011 7,941,259'Vehicular drive system'2011 7,935,015'Control device for vehicle drive apparatus'2011 7,935,021'Controller apparatus for vehicular device system'2011 7,848,858'Vehicular drive system'2010 7,822,524'Vehicular drive system'2010 7,811,190'Drive device for vehicle and method of assembling the same'2010 7,766,778'Drive device for vehicle'2010 7,753,149'Vehicle driving apparatus'2010 7,722,497'Control device for vehicle drive apparatus'2010 7,582,980'Drive apparatus for hybrid vehicle'2009 7,549,944'Control apparatus for vehicular drive system, vehicle provided with the control apparatus, and method of controlling vehicular drive system'2009 7,544,140'Control device for vehicular drive system'2009 7,534,190'Control device for vehicular drive system'2009 7,513,847'Control device for vehicular drive system'2009 7,481,737'Control apparatus for vehicular drive system, vehicle provided with the control apparatus, and method of controlling vehicular drive system'2009 7,445,578'Control device for vehicular drive system'2008 7,426,972'Control device for vehicular drive system'2008 7,396,316'Control device for vehicular drive system'2008 7,322,902'Control device for vehicular transmission mechanism'2008 7,318,787'Control device for vehicular drive system'2008 7,252,619'Control device for vehicular drive system'2007 7,249,642'Control apparatus for controlling vehicle drive apparatus, and vehicle drive system including the control apparatus'2007 7,239,033'Drive apparatus for hybrid vehicle'2007 7,238,133'Control apparatus for use with driving device of vehicle'2007 7,226,385'Control apparatus for controlling driving device of vehicle'2007 7,223,200'Hybrid-vehicle drive system and operation method with a transmission'2007 6,777,837'Hybrid-vehicle drive unit'2004 6,719,076'Vehicle braked by motor torque and method of controlling the vehicle'2004 6,459,980'Vehicle braked with motor torque and method of controlling the same'2002 6,340,339'Vehicle drive device'2002 6,317,665'Vehicle control system'2001 6,306,057'Hybrid drive system'2001 6,258,001'Vehicle drive train'2001 6,158,541'Electric motor vehicle having means for fully discharging part of energy storage device when energy amount in the other part is larger than a threshold'2000 6,098,733'Hybrid drive system for motor vehicle'2000 6,081,042'Hybrid vehicle drive system including controllable device between engine and electric motor and vehicle drive wheels, and apparatus for controlling the device depending upon selected operation mode of the system'2000 6,007,451'Start control system for vehicle with running electric motor'1999 6,003,626'Hybrid drive system for motor vehicle, having means for inhibiting electricity generating drive mode'1999 5,982,045'Hybrid vehicle drive system adapted to prevent concurrent mode change and transmission shifting or torque distribution ratio change'1999 5,951,614'Vehicle hybrid drive system control apparatus adapted to reduce transmission input torque upon transmission shifting, by using engine and/or motor/generator'1999 5,935,040'Hybrid vehicle drive system adapted to produce substantially constant vehicle drive force under the same vehicle running condition, even in different modes of operation'1999 5,927,415'Hybrid vehicle controller'1999 5,923,093'Hybrid vehicle drive system adapted to assure smooth brake application by motor/generator or engine'1999 5,915,801'Regenerative brake controller for controlling value of regenerative braking torque simulating engine braking torque'1999 5,909,720'Driving system with engine starting control'1999 5,904,631'Dual electric motor drive with planetary gearing'1999 5,895,333'Hybrid vehicle drive system, wherein mechanism for synthesizing engine and motor outputs is disposed adjacent to transmission'1999 5,887,670'Vehicle power transmitting system having devices for electrically and mechanically disconnecting power source and vehicle drive wheel upon selection of neutral state'1999 5,875,691'Hybrid drive system'1999 5,873,426'Hybrid vehicle drive system having means for using at least engine as drive power source in special vehicle operating state, to assure sufficient drive force'1999 5,856,709'Hybrid vehicle drive system having clutch between engine and synthesizing/distributing mechanism which is operatively connected to motor/generator'1999 5,847,469'Hybrid drive system wherein electric motor or engine is selectively used for rearward driving of vehicle'1998 5,844,342'Power output apparatus and method of controlling the same'1998 5,839,533'Apparatus for controlling electric generator of hybrid drive vehicle to control regenerative brake depending upon selected degree of drive source brake application'1998 5,841,201'Hybrid vehicle drive system having a drive mode using both engine and electric motor'1998 5,833,570'Vehicle transmission shift control apparatus wherein torque of motor connected to automatic transmission is controlled to reduce shifting shock of transmission'1998 5,789,882'Vehicle control apparatus adapted to select engine-or motor-drive mode based on physical quantity reflecting energy conversion efficiencies in motor-drive mode'1998 5,725,064'Hybrid vehicle with pumping loss reducing function'1998 5,722,911'Vehicle control apparatus adapted to charge energy storage device by generator driven by surplus engine power which changes with required vehicle drive force'1998 5,635,805'Hybrid vehicle'1997 5,460,577'Automatic transmission'1995 5,425,687'Shift control system for selecting between two shift patterns based on torque converter judders in an automatic transmission'1995 5,415,056'Shift control system for manually shiftable automatic transmission'1995 5,411,451'Control system for controlling the pressure of the oncoming servo hydraulic pressure based on a predicted time to sync from output shaft acceleration in automatic transmission'1995 5,403,248'Control system for changing servo timings of hydraulic pressure based on a torque input in automatic transmission'1995 5,393,275'Shift control system for manually shiftable automatic transmission'1995 5,368,531'Control method of and system thereof for inversely proportionally raising and lowering servo hydraulic pressure, based on input torque, for engaging and disengaging frictional elements in automatic transmission'1994 5,351,577'Control system for servo hydraulic pressure of two friction engaging means during an N-R shift in automatic transmission'1994 5,347,885'Shift control system for selecting between two shift patterns based on the transmission temperature and lock-up clutch state in an automatic transmission'1994 5,334,114'Control system for servo hydraulic pressure in vehicular automatic transmission'1994 5,267,917'Rotary element engaging device for an automatic transmission'1993 5,254,053'Five-speed automatic transmission'1993 5,197,507'Linear solenoid valve apparatus and method assembling'1993 5,176,039'Automatic transmission with feedback passage for preventing reverse flow'1993 5,109,733'Hydraulic control device for an automatic transmission'1992 5,074,168'Hydraulic control device for an automatic transmission'1991 5,050,459'Hydraulic control system in automatic transmission and hydraulic control method in same'1991 5,010,991'Lock-up clutch control device for a torque converter'1991 4,955,256'Transmission control apparatus, having means for determining the completion of a shifting action of a coupling device with pressure adjusting accumulator'1990 4,882,952'Hydraulic control system for automatic transmission with shifting shock reducing means'1989 4,879,925'Hydraulic control system for automatic transmission, incorporating fail safe and progressive creep control and hill hold control'1989 4,858,500'Apparatus for controlling lock-up clutch in automatic transmission system having main transmission and sub-transmission'1989 4,854,195'Hydraulic control system for vehicular automatic transmission with two accumulator control values to vary back pressure to accumulator to follow the change in engine torque'1989 4,840,092'Hydraulic control device for automatic transmissions'1989 4,838,125'System for shift control in automatic transmission'1989 4,807,492'Mechanism for supporting transmission shafts of automatic transmission apparatus'1989 4,803,901'Method and system for detecting the rotation rate of the output shaft of a torque converter'1989 4,787,272'Hydraulic pressure control apparatus for use in automatic transmission'1988 4,784,020'Anti creep control method and system providing delay before anti creep action starting'1988 4,777,848'Method and device for controlling automatic transmission between two speed change patterns'1988 4,768,399'Four wheel drive power transmission system with clutch between central torque non balanced differential device and one wheel pair'1988 4,768,609'Four wheel drive vehicle central differential torque transfer control device and method limiting torque on front wheels or on rear wheels'1988 4,768,396'Rotary cam assembly'1988 4,766,973'4WD vehicle torque distribution device incorporating friction engaging device providing multi mode operation, and method for operation thereof'1988 4,754,836'Control method and device for automotive vehicle four wheel drive transmission suppressing front/rear differential action when automatic main transmission is in intermediate hold range'1988 4,753,132'Hydraulic servo for friction coupling devices of automatic transmissions'1988 4,748,809'Hydraulic servo mechanism of automatic transmission for vehicle'1988 4,738,159'Four-wheel drive automatic transmission'1988 4,733,580'Method of controlling a transmission of a vehicle in two different modes according to requirements for power and economy'1988 4,727,773'Hydraulic circuit for controlling automatic transmission'1988 4,727,774'Cut-back pressure control device for multi-speed automatic transmission'1988 4,727,772'Multistage automatic shift control apparatus'1988 4,726,254'Four wheel drive power transmission system with front universal joint of front propeller shaft located towards gearbox from engine'1988 4,724,725'Transmission control system for controlling a main transmission speed changing pattern relative to a subtransmission speed changing ratio'1988 4,724,745'Hydraulic servo drum for friction clutch'1988 4,722,249'Control system for a transmission having a main transmission and a sub-transmission'1988 4,722,251'Hydraulic circuit for controlling an automatic transmission'1988 4,722,250'Accumulator back pressure control apparatus for automatic transmission'1988 4,721,011'Four wheel drive power transmission system with front propeller shaft including no universal joints connecting transfer device to front differential'1988 4,721,018'Transmission control having a plurality of speed changing ratios for controlling a transmission system'1988 4,716,998'Direct coupling clutch with a damper device for a fluid coupling'1988 4,713,988'Transmission control device'1987 4,714,146'Friction coupling element of automatic transmission'1987 4,708,032'Transmission control device having selectable rotation speed detector'1987 4,702,341'Four wheel drive vehicle slippage control device and method limiting center differential action according to input torque supplied thereto'1987 4,702,083'Control system and method for controllable output type hydraulic fluid pump of automatic transmission providing decreased pump output in association with the engine starting condition'1987 4,697,474'Lock-up clutch control device for a multi-speed automatic transmission'1987 4,693,143'Control device for an automatic transmission system'1987 4,693,353'Support for transmission shaft and hydraulic servo drum'1987 4,693,081'Control system and method for controlling output type hydraulic fluid pump of automatic transmission providing increased pump output pressure with increase in engine load'1987 4,693,348'Direct coupling clutch with an integral damper device for a fluid coupling'1987 4,691,594'Hydraulic control system for automatic transmission'1987 4,688,449'Transmission control device'1987 4,679,450'Control system for selectively switchable two/four wheel drive automatic transmission system shifting transfer transmission according to main transmission speed stage'1987 4,673,072'4-Wheel drive transmission control system'1987 4,669,562'Power take-off apparatus in automotive vehicle'1987 4,663,992'Control system for a four-wheel drive transmission'1987 4,660,693'Hydraulic pressure control apparatus for use in automatic transmission'1987 4,648,289'Idling control system for an automatic transmission providing anti roll back action'1987 4,644,826'Idling control system for an automatic transmission providing smooth starting off action'1987 4,621,710'Bearing lubrication system for extension housing of vehicular transmission'1986 4,606,242'Parking device'1986 4,602,696'Control system for selectively switchable two/four wheel drive automatic transmission system providing shifting characteristic matched to driving condition'1986 4,523,281'Automatic transmission controller for automobiles'1985 4,488,456'Electrical/hydraulic transmission control system varying line pressure according to engine load'1984 4,441,385'Transmission control system with positive lockup clutch disengaging system'1984 4,345,904'Chain drive assembly'1982 4,333,359'Lubricating oil transfer construction in an automatic transmission for vehicles'1982 4,106,369'Oil pressure control system for an automatic transmission system'1978 4,065,985'Oil pressure control system for an automatic transmission system'1978 4,050,332'Oil pressure control system for an automatic transmission system'1977 4,033,146'Governor supporting member and coupling means'1977 3,937,105'Automatic transmission system for use with automobiles'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2015Patents assigned to TOYOTA MOTOR CO LTD (142)· patent assignee history

1976–2004Based in Toyota, JP· patent location history

1986–1989Patents assigned to AISIN WARNER (30)· patent assignee history

1986–1988Patents assigned to TOYOTA MOTOR CORP (5)· patent assignee history

1986–2015Based in Aichi, JP· patent location history

1991–2011Patents assigned to AISIN AW CO (17)· patent assignee history

1999Based in Aich-ken, JP· patent location history

2012–2015Patents assigned to TABATA ATSUSHI (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOYOTA MOTOR CO LTD	142	1976–2015
AISIN WARNER	30	1986–1989
AISIN AW CO	17	1991–2011
TOYOTA MOTOR CORP	5	1986–1988
TABATA ATSUSHI	3	2012–2015

Locations

Location	Patents	Span
Aichi, JP	114	1986–2015
Toyota, JP	35	1976–2004
Aich-ken, JP	1	1999