Inventor

Toyoaki Nakagawa

Inventor

Yokohama, JP

Overview

25→

Patents

1982–2001

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 25 as inventor

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

F02Dprimary

F02DControlling combustion engines29%

Y02TClimate change mitigation technologies related to transportation16%

F02BInternal-combustion piston engines11%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof7%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%

G01FMeasuring volume, volume flow, mass flow or liquid level4%

G01NInvestigating or analysing materials by determining their chemical or physical properties4%

G01RMeasuring electric variables4%

B60LPropulsion of electrically-propelled vehicles2%

PatentTitleYear

6,287,727'Manganese-lithium ion electrolytic cell'2001 6,284,404'Battery and gas effluent system therefor'2001 6,278,280'Battery inactivation detection device'2001 6,160,375'Charge controlling device and method for multi-cell battery, and electric vehicle provided with change controlling'2000 6,127,806'State of charge indicator'2000 6,078,163'Battery temperature increasing device and method'2000 5,065,716'Fuel supply control system for internal combustion engine with improved engine acceleration characterisitcs after fuel cut-off operation'1991 5,060,473'System for detecting deterioration of catalyst in catalytic converter'1991 5,009,210'Air/fuel ratio feedback control system for lean combustion engine'1991 4,949,694'Fuel supply control system for internal combustion engine'1990 4,870,937'Air fuel mixture A/F control system'1989 4,825,837'Air/fuel ratio control system having gain adjusting means'1989 4,712,529'Air-fuel ratio control for transient modes of internal combustion engine operation'1987 4,706,633'Air/fuel ratio feedback control system adapted to temporary open-loop control under transient conditions'1987 4,707,241'Air/fuel ratio control system including means to well time start of feedback'1987 4,669,440'Fuel injection detecting system for a diesel engine'1987 4,609,292'Device and method for measuring a temperature difference'1986 4,592,325'Air/fuel ratio control system'1986 4,503,820'Fuel injection quantity sensing apparatus for an internal combustion engine'1985 4,501,140'Fuel injection rate deducing system for a diesel engine'1985 4,471,653'Crank angle detecting device for an internal combustion engine and detecting method therefor'1984 4,458,529'Hot wire flow meter'1984 4,452,217'Exhaust gas recirculation control system for a diesel engine and control method therefor'1984 4,446,840'Exhaust gas recirculation control system for internal combustion engine'1984 4,363,306'System for feedback control of air/fuel ratio in IC engine having means for supplying controlled current to oxygen sensor'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2001Patents assigned to NISSAN MOTOR (25)· patent assignee history

1982–1991Based in Yokohama, JP· patent location history

1984–1987Based in Yokosuka, JP· patent location history

1987Based in Yokohama-shi, JP· patent location history

1991–2001Based in Kanagawa, JP· patent location history

2000–2001Based in Chigasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NISSAN MOTOR	25	1982–2001

Locations

Location	Patents	Span
Yokohama, JP	9	1982–1991
Yokosuka, JP	7	1984–1987
Kanagawa, JP	5	1991–2001
Chigasaki, JP	3	2000–2001
Yokohama-shi, JP	1	1987