Inventor · disambiguated record
Toyoaki Nakagawa
Also filed as: NAKAGAWA TOYOAKI
25 granted patents·2 pending applications·657 citations·filing 1980–2003
97Inventor score
Files withNISSAN MOTOR26
Top patents by PatentIndex Score
27 records- 0196US5009210AAir/fuel ratio feedback control system for lean combustion engineNISSAN MOTOR·Filed 1987·Granted Apr 23, 1991·82 cites·9 claims
- 0289US6127806AState of charge indicatorNISSAN MOTOR·Filed 1999·Granted Oct 3, 2000·81 cites·9 claims
- 0388US6078163ABattery temperature increasing device and methodNISSAN MOTOR·Filed 1999·Granted Jun 20, 2000·95 cites·6 claims
- 0477US4503820AFuel injection quantity sensing apparatus for an internal combustion engineNISSAN MOTOR·Filed 1982·Granted Mar 12, 1985·19 cites·4 claims
- 0576US4712529AAir-fuel ratio control for transient modes of internal combustion engine operationNISSAN MOTOR·Filed 1987·Granted Dec 15, 1987·24 cites·6 claims
- 0675US4825837AAir/fuel ratio control system having gain adjusting meansNISSAN MOTOR·Filed 1987·Granted May 2, 1989·20 cites·14 claims
- 0774US4452217AExhaust gas recirculation control system for a diesel engine and control method thereforNISSAN MOTOR·Filed 1982·Granted Jun 5, 1984·19 cites·14 claims
- 0872US4609292ADevice and method for measuring a temperature differenceNISSAN MOTOR·Filed 1982·Granted Sep 2, 1986·24 cites·13 claims
- 0972US4592325AAir/fuel ratio control systemNISSAN MOTOR·Filed 1985·Granted Jun 3, 1986·19 cites·4 claims
- 1070US4707241AAir/fuel ratio control system including means to well time start of feedbackNISSAN MOTOR·Filed 1986·Granted Nov 17, 1987·32 cites·5 claims
- 1170US4471653ACrank angle detecting device for an internal combustion engine and detecting method thereforNISSAN MOTOR·Filed 1983·Granted Sep 18, 1984·16 cites·9 claims
- 1268US5060473ASystem for detecting deterioration of catalyst in catalytic converterNISSAN MOTOR·Filed 1989·Granted Oct 29, 1991·29 cites·17 claims
- 1366US6160375ACharge controlling device and method for multi-cell battery, and electric vehicle provided with change controllingNISSAN MOTOR·Filed 1999·Granted Dec 12, 2000·48 cites·9 claims
- 1466US4669440AFuel injection detecting system for a diesel engineNISSAN MOTOR·Filed 1982·Granted Jun 2, 1987·19 cites·21 claims
- 1560US4458529AHot wire flow meterNISSAN MOTOR·Filed 1981·Granted Jul 10, 1984·13 cites·15 claims
- 1659US6284404B1Battery and gas effluent system thereforNISSAN MOTOR·Filed 1999·Granted Sep 4, 2001·24 cites·17 claims
- 1759US5065716AFuel supply control system for internal combustion engine with improved engine acceleration characterisitcs after fuel cut-off operationNISSAN MOTOR·Filed 1989·Granted Nov 19, 1991·12 cites·5 claims
- 1856US4446840AExhaust gas recirculation control system for internal combustion engineNISSAN MOTOR·Filed 1982·Granted May 8, 1984·11 cites·2 claims
- 1952US4363306ASystem for feedback control of air/fuel ratio in IC engine having means for supplying controlled current to oxygen sensorNISSAN MOTOR·Filed 1980·Granted Dec 14, 1982·12 cites·6 claims
- 2051US4501140AFuel injection rate deducing system for a diesel engineNISSAN MOTOR·Filed 1982·Granted Feb 26, 1985·12 cites·12 claims
- 2149US6278280B1Battery inactivation detection deviceNISSAN MOTOR·Filed 1999·Granted Aug 21, 2001·18 cites·20 claims
- 2245US4949694AFuel supply control system for internal combustion engineNISSAN MOTOR·Filed 1989·Granted Aug 21, 1990·7 cites·10 claims
- 2345US4870937AAir fuel mixture A/F control systemNISSAN MOTOR·Filed 1986·Granted Oct 3, 1989·7 cites·18 claims
- 2440US2003232237A1Voltage control apparatus for battery packNISSAN MOTOR·Filed 2003·Application pending·0 cites
- 2539US6287727B1Manganese-lithium ion electrolytic cellNISSAN MOTOR·Filed 1999·Granted Sep 11, 2001·10 cites·8 claims
- 2636US4706633AAir/fuel ratio feedback control system adapted to temporary open-loop control under transient conditionsNISSAN MOTOR·Filed 1986·Granted Nov 17, 1987·4 cites·7 claims
- 2733US2001033972A1Lithium ion secondary batteryFiled 1999·Application pending·0 cites
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