Inventor · disambiguated record
Sigeaki Yamamuro
Also filed as: YAMAMURO SIGEAKI
36 granted patents·1,128 citations·filing 1977–2006
98Inventor score
Top patents by PatentIndex Score
36 records- 0198US4589071AMethod and apparatus for controlling reduction ratio of continuously variable transmission with acceleration compensationNISSAN MOTOR·Filed 1983·Granted May 13, 1986·124 cites·22 claims
- 0297US4603602AMethod of controlling continuously variable transmissionNISSAN MOTOR·Filed 1983·Granted Aug 5, 1986·73 cites·7 claims
- 0396US5032065ARadial piston pumpNISSAN MOTOR·Filed 1989·Granted Jul 16, 1991·130 cites·25 claims
- 0495US4735113ACreep torque and lock-up control for automatic transmissionNISSAN MOTOR·Filed 1986·Granted Apr 5, 1988·70 cites·8 claims
- 0593US4579021AMethod and apparatus for controlling line pressure in continuously variable transmissionNISSAN MOTOR·Filed 1983·Granted Apr 1, 1986·54 cites·11 claims
- 0690US4478105AHydraulic control system for continuously variable V-belt transmission with hydrodynamic transmission unitNISSAN MOTOR·Filed 1982·Granted Oct 23, 1984·45 cites·14 claims
- 0788US4590561AMethod and apparatus for controlling reduction ratio of continuously variable transmission with accelerator pedal displacement speed compensationNISSAN MOTOR·Filed 1983·Granted May 20, 1986·40 cites·49 claims
- 0888US4194608AControls for clutch, motor and transmissionNISSAN MOTOR·Filed 1977·Granted Mar 25, 1980·47 cites·3 claims
- 0986US4576265AControl system for hydraulic automatic clutchNISSAN MOTOR·Filed 1983·Granted Mar 18, 1986·27 cites·13 claims
- 1085US4764155AMethod of controlling continuously variable transmissionNISSAN MOTOR·Filed 1985·Granted Aug 16, 1988·40 cites·7 claims
- 1184US4543077AMethod and apparatus for controlling continuously variable V-belt transmissionNISSAN MOTOR·Filed 1982·Granted Sep 24, 1985·41 cites·7 claims
- 1282US4597308AMethod and apparatus for controlling reduction ratio of continuously variable transmissionNISSAN MOTOR·Filed 1983·Granted Jul 1, 1986·35 cites·12 claims
- 1380US5584323AFluid control valveUNISIA JECS CORP·Filed 1995·Granted Dec 17, 1996·27 cites·11 claims
- 1480US4536171AMethod and apparatus for controlling continuously variable transmissionNISSAN MOTOR·Filed 1983·Granted Aug 20, 1985·31 cites·18 claims
- 1577US4566354AMethod and apparatus for controlling reduction ratio of continuously variable transmission with engine coolant temperature compensationNISSAN MOTOR·Filed 1983·Granted Jan 28, 1986·29 cites·16 claims
- 1676US4526557AMethod and apparatus for controlling a continuously variable transmissionNISSAN MOTOR·Filed 1983·Granted Jul 2, 1985·27 cites·12 claims
- 1773US4484493ACone pulley V-belt continuously variable transmissionNISSAN MOTOR·Filed 1982·Granted Nov 27, 1984·23 cites·1 claims
- 1870US4519790AHydraulic control system for continuously variable V-belt transmissionNISSAN MOTOR·Filed 1982·Granted May 28, 1985·21 cites·7 claims
- 1969US4776829APower transmission beltNISSAN MOTOR·Filed 1987·Granted Oct 11, 1988·18 cites·20 claims
- 2068US4938737ATransmission beltNISSAN MOTOR·Filed 1988·Granted Jul 3, 1990·18 cites·7 claims
- 2168US4583627AVehicle/engine operational parameter responsive clutch controlNISSAN MOTOR·Filed 1983·Granted Apr 22, 1986·16 cites·6 claims
- 2267US4542665AControl system for continuously variable transmission with space saving automatic clutch controlNISSAN MOTOR·Filed 1983·Granted Sep 24, 1985·19 cites·10 claims
- 2366US4651776AFluid pressure control valve for hydraulic actuatorNISSAN MOTOR·Filed 1986·Granted Mar 24, 1987·19 cites·7 claims
- 2466US4533340AHydraulic control system for continuously variable V-belt transmissionNISSAN MOTOR·Filed 1983·Granted Aug 6, 1985·19 cites·8 claims
- 2565US4557706AControl system for continuously variable V-belt transmissionNISSAN MOTOR·Filed 1983·Granted Dec 10, 1985·18 cites·11 claims
- 2662US4545265AHydraulic control system for continuously variable V-belt transmissionNISSAN MOTOR·Filed 1983·Granted Oct 8, 1985·16 cites·5 claims
- 2761US4487302AParking lock arrangement for continuously variable V-belt transmissionNISSAN MOTOR·Filed 1982·Granted Dec 11, 1984·16 cites·4 claims
- 2856US4616530AHydraulic control system for automatic transmission such as a continuously variable transmissionNISSAN MOTOR·Filed 1984·Granted Oct 14, 1986·11 cites·5 claims
- 2955US4494942AContinuously variable V-belt transmissionNISSAN MOTOR·Filed 1982·Granted Jan 22, 1985·13 cites·4 claims
- 3053US4510822AContinuously variable V-belt transmission including hydrodynamic transmission unit with lock-up meansNISSAN MOTOR·Filed 1982·Granted Apr 16, 1985·12 cites·10 claims
- 3152US4736655AApparatus for controlling reduction ratio in continuously variable transmissionNISSAN MOTOR·Filed 1986·Granted Apr 12, 1988·15 cites·3 claims
- 3251US4584909AHydraulic control system for continuously variable V-belt transmissionNISSAN MOTOR·Filed 1983·Granted Apr 29, 1986·11 cites·7 claims
- 3345US7862305B2Variable displacement vane pumpHITACHI LTD·Filed 2006·Granted Jan 4, 2011·0 cites·30 claims
- 3444US4679466ALine pressure control device for hydraulic control system of automatic transmissionNISSAN MOTOR·Filed 1986·Granted Jul 14, 1987·10 cites·12 claims
- 3543US4819514APulley actuating hydraulic pressure control for continuously variable transmissionNISSAN MOTOR·Filed 1987·Granted Apr 11, 1989·8 cites·5 claims
- 3636US4512751AMethod and system for controlling continuously variable v-belt transmissionNISSAN MOTOR·Filed 1982·Granted Apr 23, 1985·5 cites·3 claims
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