Inventor

Shigenori Isomura

Inventor

Kariya, JP

Overview

1984–2001

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 49 as inventor

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

F02Dprimary

F02DControlling combustion engines39%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof14%

Y02TClimate change mitigation technologies related to transportation14%

F02BInternal-combustion piston engines8%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general7%

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

G01FMeasuring volume, volume flow, mass flow or liquid level3%

B01DSeparation2%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles2%

F02NStarting of combustion engines2%

PatentTitleYear

6,263,668'Engine exhaust gas control system having NOx catalyst'2001 6,230,558'Apparatus and method for measuring fuel flow rate and residual fuel quantity and for controlling evaporated fuel'2001 6,223,731'Fuel feeding apparatus with response delay compensation'2001 6,148,803'Leakage diagnosing device for fuel evaporated gas purge system'2000 6,148,612'Engine exhaust gas control system having NOx catalyst'2000 6,014,958'Antidissipation apparatus for evaporated fuel vapor'2000 5,931,136'Throttle control device and control method for internal combustion engine'1999 5,845,489'Abnormality detector for air-fuel ratio control system'1998 5,845,492'Internal combustion engine control with fast exhaust catalyst warm-up'1998 5,785,025'Fuel supply for international combustion engine'1998 5,784,879'Air-fuel ratio control system for internal combustion engine'1998 5,731,514'Abnormality detecting apparatus for use in fuel-transpiration preventing systems'1998 5,719,778'Heater control apparatus for oxygen sensor'1998 5,622,047'Method and apparatus for detecting saturation gas amount absorbed by catalytic converter'1997 5,547,552'Oxygen concentration detecting apparatus'1996 5,537,967'Vibration damping control apparatus for vehicle'1996 5,491,975'Air-fuel ratio control system for internal combustion engine'1996 5,487,270'Air-fuel ratio control system for internal combustion engine'1996 5,460,148'Assist air control system for internal combustion engine'1995 5,458,098'Method and system for starting automotive internal combustion engine'1995 5,441,032'Fuel injection system for multi-cylinder internal combustion engine'1995 5,405,521'Oxygen concentration measuring device'1995 5,390,644'Method for producing fuel/air mixture for combustion engine'1995 5,385,133'Fuel injection system for internal combustion engine'1995 5,363,832'Fuel vapor purging control system with air/fuel ratio compensating system for internal combustion engine'1994 5,353,775'Air-fuel ratio control system for internal combustion engine'1994 5,331,934'Spark timing control system for a vehicle-driving internal combustion engine'1994 5,313,395'Speed control system for an internal combustion engine'1994 5,284,050'Self-diagnosis apparatus in system for prevention of scattering of fuel evaporation gas'1994 5,259,355'Gaseous fuel flow rate detecting system'1993 5,251,477'Self-diagnosis apparatus in a system for prevention of scattering of fuel evaporation gas'1993 5,216,991'Internal combustion engine controller'1993 5,184,588'Engine control apparatus'1993 4,890,590'Fail-safe method and apparatus for internal combustion engines'1990 4,875,443'Start control system for internal combustion engine'1989 4,753,206'Fuel injection control system for internal combustion engine'1988 4,706,196'Apparatus and method for injecting fuel into engine according to group injection system'1987 4,646,698'Start and termination timing control of fuel injection'1987 4,586,479'Electronic fuel injection control with variable injection intervals'1986 4,574,761'Electronic fuel injection control system for internal combustion engine'1986 4,517,948'Method and apparatus for controlling air-fuel ratio in internal combustion engines'1985 4,492,202'Fuel injection control'1985 4,475,501'Electronic control type fuel injection system'1984 4,466,410'Air-fuel ratio control for internal combustion engine'1984 4,461,261'Closed loop air/fuel ratio control using learning data each arranged not to exceed a predetermined value'1984 4,454,847'Method for controlling the air-fuel ratio in an internal combustion engine'1984 4,441,473'Closed loop mixture control using learning data resettable for fuel evaporation compensation'1984 4,437,446'Electronically controlled fuel injection system'1984 4,430,976'Method for controlling air/fuel ratio in internal combustion engines'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1998Patents assigned to NIPPON DENSO CO (40)· patent assignee history

1984Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history

1984–2001Based in Kariya, JP· patent location history

1993Patents assigned to UBUKATA IND CO LTD (1)· patent assignee history

1998–2001Patents assigned to DENSO CORP (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON DENSO CO	40	1984–1998
DENSO CORP	9	1998–2001
TOYOTA MOTOR CO LTD	1	1984
UBUKATA IND CO LTD	1	1993

Locations

Location	Patents	Span
Kariya, JP	49	1984–2001