Inventor

Mitsuo Hitomi

Inventor

Hiroshima, JP

Overview

1985–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 62 as inventor

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

Y02Tprimary

Y02TClimate change mitigation technologies related to transportation26%

F02BInternal-combustion piston engines23%

F02DControlling combustion engines17%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof11%

F02FCylinders, pistons or casings, for combustion engines8%

F01LCyclically operating valves for machines or engines7%

F02PIgnition, other than compression ignition, for internal-combustion engines4%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general2%

F16NLubricating2%

B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles0%

PatentTitleYear

11,028,797Engine control method and engine control device2021 9,328,688'Supercharged direct fuel injection engine'2016 8,544,444'Control of direct fuel injection engine'2013 8,468,823'Supercharged direct-injection engine'2013 7,784,443'Spark-ignition gasoline engine'2010 7,484,498'Spark-ignition gasoline engine'2009 7,237,511'Cooling device of engine'2007 7,219,634'Spark ignition engine control device'2007 7,182,050'Control device for spark-ignition engine'2007 7,096,833'Control device for supercharged engine'2006 6,971,343'Spark-ignition engine controller'2005 6,968,825'Control device for spark-ignition engine'2005 6,941,905'Control unit for spark ignition-type engine'2005 6,877,464'Spark-ignition engine controller'2005 6,626,164'Automotive four-cycle engine'2003 5,713,330'Internal combustion engine with supercharger'1998 5,590,626'Reciprocating engine of a spark ignition type'1997 5,509,394'Internal combustion engine with supercharger'1996 5,445,123'Reciprocating engine of a spark ignition type'1995 5,443,050'Engine control system'1995 5,433,180'Internal combustion engine with supercharger'1995 5,427,078'Supercharging apparatus for use in an internal combustion engine'1995 5,421,296'Engine intake apparatus'1995 5,421,308'Control system for engine with mechanical supercharger'1995 5,396,874'Controller for supercharged engine'1995 5,357,936'Engine of a spark ignition type'1994 5,309,886'Supercharged internal combustion engine'1994 5,239,960'Engine induction system provided with a mechanical supercharger'1993 5,230,320'Intake and exhaust control system for automobile engine'1993 5,203,311'Exhaust gas recirculation system for an internal combustion engine'1993 5,201,907'Internal combustion engine'1993 5,168,839'Engine induction system'1992 5,161,492'Intake system for multi-cylinder engine'1992 5,146,897'Intake manifold of intake system for multi-cylinder internal combustion engine'1992 5,144,918'Intake system for engine'1992 5,138,839'Control system for internal combustion engine with turbo supercharger'1992 5,133,308'Intake system for engine'1992 5,133,310'Intake and exhaust control apparatus for internal combustion engines'1992 5,125,369'Intake system for multi-cylinder engine'1992 5,090,391'Control system for engine with mechanical supercharger'1992 5,090,202'Intake system for an internal combustion engine with supercharger'1992 5,085,178'Intake piping structure for multi-cylinder engine'1992 5,080,051'Intake system for engine'1992 5,074,258'Intake system for multiple-cylinder engine'1991 5,063,899'Intake system for multi-cylinder internal combustion engine'1991 5,033,268'Intake system for turbocharged engine'1991 4,996,966'Supercharged engine'1991 4,958,606'Supercharged engine'1990 4,932,378'Intake system for internal combustion engines'1990 4,889,082'Intake system for multiple-cylinder engine'1989 4,875,455'Automobile exhaust gas recirculating system'1989 4,846,117'Intake system for multiple-cylinder engine'1989 4,829,941'Intake system for multiple-cylinder engine'1989 4,813,232'Exhaust device for internal combustion engine'1989 4,774,812'Turbocharged engine'1988 4,738,233'Intake system for internal combustion engines'1988 4,679,531'Intake system for internal combustion engine'1987 4,671,217'Intake system for internal combustion engine'1987 4,619,226'Intake device for internal combustion engine'1986 4,617,897'Intake system for internal combustion engines'1986 4,592,310'Intake device for internal combustion engine'1986 4,543,931'Engine intake system'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2021Patents assigned to MAZDA MOTOR (62)· patent assignee history

1985–2016Based in Hiroshima, JP· patent location history

2003–2010Based in Fuchu-cho, JP· patent location history

2006–2021Based in Aki-gun, JP· patent location history

2013–2016Patents assigned to ARAKI KEIJI (3)· patent assignee history

2013–2016Patents assigned to HITOMI MITSUO (3)· patent assignee history

2013–2016Patents assigned to NISHIMOTO TOSHIAKI (3)· patent assignee history

2013–2016Patents assigned to YAMAKAWA MASAHISA (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MAZDA MOTOR	62	1985–2021
ARAKI KEIJI	3	2013–2016
HITOMI MITSUOself	3	2013–2016
NISHIMOTO TOSHIAKI	3	2013–2016
YAMAKAWA MASAHISA	3	2013–2016

Locations

Location	Patents	Span
Hiroshima, JP	51	1985–2016
Fuchu-cho, JP	8	2003–2010
Aki-gun, JP	3	2006–2021