Assignee
NIPPON SOKEN
JP·1,076 granted patents·67 pending applications·28,925 citations·filing 1973–2018
Top patents by PatentIndex Score
1,143 records- 0199US4621599AMethod and apparatus for operating direct injection type internal combustion engineNIPPON SOKEN·Filed 1984·Granted Nov 11, 1986·121 cites·10 claims
- 0299US4553059APiezoelectric actuator and a piezoelectric pump injector incorporating the sameNIPPON SOKEN·Filed 1984·Granted Nov 12, 1985·135 cites·9 claims
- 0399US4535588ACarbon particulates cleaning device for diesel engineNIPPON SOKEN·Filed 1984·Granted Aug 20, 1985·132 cites·3 claims
- 0499US4489695AMethod and system for output control of internal combustion engineNIPPON SOKEN·Filed 1982·Granted Dec 25, 1984·183 cites·6 claims
- 0599US4471256APiezoelectric actuator, and valve apparatus having actuatorNIPPON SOKEN·Filed 1983·Granted Sep 11, 1984·99 cites·4 claims
- 0699US4434767AOutput control system for multicylinder internal combustion engineNIPPON SOKEN·Filed 1981·Granted Mar 6, 1984·177 cites·6 claims
- 0798US6971375B2Fuel vapor treatment system for internal combustion engineNIPPON SOKEN·Filed 2005·Granted Dec 6, 2005·78 cites·19 claims
- 0898US4729459AAdjustable damping force type shock absorberNIPPON SOKEN·Filed 1985·Granted Mar 8, 1988·186 cites·17 claims
- 0998US4689056AAir cleaner using ionic windNIPPON SOKEN·Filed 1986·Granted Aug 25, 1987·172 cites·4 claims
- 1098US4685290AEngine control with function to eliminate minute particles in exhaust gasNIPPON SOKEN·Filed 1985·Granted Aug 11, 1987·92 cites·9 claims
- 1198US4649886AFuel injection system for an internal combustion engineNIPPON SOKEN·Filed 1983·Granted Mar 17, 1987·80 cites·14 claims
- 1298US4643745AAir cleaner using ionic windNIPPON SOKEN·Filed 1984·Granted Feb 17, 1987·279 cites·14 claims
- 1398US4603671AFuel injector for an internal combustion engineNIPPON SOKEN·Filed 1984·Granted Aug 5, 1986·126 cites·11 claims
- 1498US4499878AFuel injection system for an internal combustion engineNIPPON SOKEN·Filed 1983·Granted Feb 19, 1985·76 cites·10 claims
- 1598US4070562AAcceleration/deceleration alarm systemNIPPON SOKEN·Filed 1976·Granted Jan 24, 1978·54 cites·4 claims
- 1697US7285952B1Rotation angle detecting deviceNIPPON SOKEN·Filed 2007·Granted Oct 23, 2007·76 cites·27 claims
- 1797US7181919B2System utilizing waste heat of internal combustion engineNIPPON SOKEN·Filed 2005·Granted Feb 27, 2007·26 cites·23 claims
- 1897US7051602B2Torque sensorNIPPON SOKEN·Filed 2005·Granted May 30, 2006·42 cites·3 claims
- 1997US5786640AGenerator control system for a hybrid vehicle driven by an electric motor and an internal combustion engineNIPPON SOKEN·Filed 1996·Granted Jul 28, 1998·307 cites·45 claims
- 2097US4707788AAutomatic adjuster for automobile driver equipmentNIPPON SOKEN·Filed 1985·Granted Nov 17, 1987·162 cites·10 claims
- 2197US4570098ATemperature compensated stack of piezoelectric elementsNIPPON SOKEN·Filed 1984·Granted Feb 11, 1986·60 cites·21 claims
- 2297US4535589AExhaust gas cleaning device for internal combustion engineNIPPON SOKEN·Filed 1984·Granted Aug 20, 1985·96 cites·15 claims
- 2397US4434753AIgnition apparatus for internal combustion engineNIPPON SOKEN·Filed 1982·Granted Mar 6, 1984·107 cites·13 claims
- 2497US4416226ALaser ignition apparatus for an internal combustion engineNIPPON SOKEN·Filed 1982·Granted Nov 22, 1983·109 cites·5 claims
- 2597US4386947AApparatus for adsorbing fuel vaporNIPPON SOKEN·Filed 1981·Granted Jun 7, 1983·172 cites·10 claims
- 2697US4356551AKnock detecting methodNIPPON SOKEN·Filed 1980·Granted Oct 26, 1982·63 cites·8 claims
- 2797US4310419AFilter element for liquid straining filterNIPPON SOKEN·Filed 1981·Granted Jan 12, 1982·159 cites·3 claims
- 2896US6939114B2Dynamotor driven compressor and method for controlling the sameNIPPON SOKEN·Filed 2003·Granted Sep 6, 2005·49 cites·12 claims
- 2996US5360268AUltrasonic temperature measuring apparatusNIPPON SOKEN·Filed 1993·Granted Nov 1, 1994·187 cites·3 claims
- 3096US4746479AMethod of manufacturing a block-type heat exchange elementNIPPON SOKEN·Filed 1984·Granted May 24, 1988·103 cites·26 claims
- 3196US4704999AFuel injection control for diesel engineNIPPON SOKEN·Filed 1986·Granted Nov 10, 1987·76 cites·7 claims
- 3296US4608958ALoad reactance element driving deviceNIPPON SOKEN·Filed 1983·Granted Sep 2, 1986·51 cites·2 claims
- 3396US4556599AHeat reflection filmNIPPON SOKEN·Filed 1984·Granted Dec 3, 1985·115 cites·7 claims
- 3496US4553625AAutomobile seat belt system with automatic unlocking functionNIPPON SOKEN·Filed 1983·Granted Nov 19, 1985·89 cites·22 claims
- 3596US4460388ATotal heat exchangerNIPPON SOKEN·Filed 1982·Granted Jul 17, 1984·94 cites·4 claims
- 3696US4456457AExhaust gas cleaning device for diesel engineNIPPON SOKEN·Filed 1982·Granted Jun 26, 1984·99 cites·10 claims
- 3796US4338106ACanister for fuel evaporative emission control systemNIPPON SOKEN·Filed 1980·Granted Jul 6, 1982·58 cites·9 claims
- 3896US4121548ADeteriorated condition detecting apparatus for an oxygen sensorNIPPON SOKEN·Filed 1977·Granted Oct 24, 1978·57 cites·5 claims
- 3996US4078985AHydrogen generatorNIPPON SOKEN·Filed 1976·Granted Mar 14, 1978·66 cites·34 claims
- 4096US4043572AAir bag device for vehiclesNIPPON SOKEN·Filed 1975·Granted Aug 23, 1977·92 cites·4 claims
- 4196US4027905ASeat belt system for vehicleNIPPON SOKEN·Filed 1975·Granted Jun 7, 1977·96 cites·5 claims
- 4296US3975951AIntake-air amount detecting system for an internal combustion engineNIPPON SOKEN·Filed 1975·Granted Aug 24, 1976·73 cites·8 claims
- 4395US7246531B2Torque sensor for detecting a shaft torqueNIPPON SOKEN·Filed 2005·Granted Jul 24, 2007·31 cites·6 claims
- 4495US6719224B2Fuel injector and fuel injection systemNIPPON SOKEN·Filed 2002·Granted Apr 13, 2004·61 cites·10 claims
- 4595US5939794AEngine control system for hybrid vehicleNIPPON SOKEN·Filed 1996·Granted Aug 17, 1999·165 cites·17 claims
- 4695US5727525AAccumulator fuel injection systemNIPPON SOKEN·Filed 1996·Granted Mar 17, 1998·101 cites·19 claims
- 4795US5070293AElectric power transmitting device with inductive couplingNIPPON SOKEN·Filed 1990·Granted Dec 3, 1991·346 cites·11 claims
- 4895US4784102AFuel injector and fuel injection systemNIPPON SOKEN·Filed 1985·Granted Nov 15, 1988·65 cites·25 claims
- 4995US4706195ASpeed control system for a motor vehicleNIPPON SOKEN·Filed 1985·Granted Nov 10, 1987·72 cites·11 claims
- 5095US4690465AAntiskid hydraulic pressure modulator for vehicle hydraulic braking systemNIPPON SOKEN·Filed 1986·Granted Sep 1, 1987·49 cites·14 claims
Showing the top 50 of 1,143 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when NIPPON SOKEN files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →