Inventor
Keiji Araki
Inventor
Hatsukaichi, JP
Overview
Patents· 37 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y02Tprimary
Y02TClimate change mitigation technologies related to transportation23%
F02DControlling combustion engines21%
F02BInternal-combustion piston engines20%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof10%
F02PIgnition, other than compression ignition, for internal-combustion engines8%
F02FCylinders, pistons or casings, for combustion engines4%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%
F01LCyclically operating valves for machines or engines2%
F02NStarting of combustion engines2%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles1%
PatentTitleYear
10,787,938Engine with variable valve timing mechanism202010,760,477Turbocharger engine202010,480,438Fuel injection control device for direct injection engine201910,260,458Homogeneous charge compression ignition engine201910,024,274Control apparatus of engine20189,932,883Spark-ignition direct-injection engine20189,915,230'Engine system'20189,874,169Control device of compression-ignition engine20189,863,372'Control apparatus of premixed charge compression ignition engine'20189,810,167'Catalyst advanced warmup control device for spark ignition engine'20179,702,316'Spark-ignition direct injection engine'20179,631,562'Variable cylinder engine'20179,546,613'Control device of compression-ignition engine'20179,488,094'Direct injection gasoline engine and method of controlling the direct injection gasoline engine'20169,429,087'Spark ignition engine'20169,328,688'Supercharged direct fuel injection engine'20169,145,843'Spark-ignition direct injection engine'20158,544,444'Control of direct fuel injection engine'20138,468,823'Supercharged direct-injection engine'20138,316,819'Control of spark ignited internal combustion engine'20128,036,817'Method of starting spark ignition engine without using starter motor'20117,461,621'Method of starting spark ignition engine without using starter motor'20087,219,634'Spark ignition engine control device'20077,051,693'Engine starting system'20066,983,733'Direct-injection spark-ignition engine'20066,928,980'Control device for spark-ignition engine'20056,672,277'Direct-injection spark ignition engine'20046,560,960'Fuel control apparatus for an engine'20036,449,946'Control apparatus for direct-injection engine'20026,401,703'Method and system for controlling fuel injection for direct injection-spark ignition engine'20026,351,942'Control system for a direct injection engine of spark ignition type'20026,345,499'Catalyst light-off method and device for direct injection engine'20026,330,796'Control device for direct injection engine'20016,318,074'Control device for direct injection engine'20015,445,241'Exhaust gas pipe assembly for an automotive engine'19955,433,075'Exhaust system for an engine'19955,133,304'Cooling water passage for V-type internal combustion engine'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2020Patents assigned to MAZDA MOTOR (37)· patent assignee history
1992–2013Based in Hiroshima, JP· patent location history
1995Based in Saeki-gun, JP· patent location history
2001–2006Based in Fuchu-cho, JP· patent location history
2007Based in Aki-gun, JP· patent location history
2008–2020Based in Hatsukaichi, JP· patent location history
2012–2016Patents assigned to ARAKI KEIJI (5)· patent assignee history
2012–2016Patents assigned to YAMAKAWA MASAHISA (4)· patent assignee history
2013–2016Patents assigned to HITOMI MITSUO (3)· patent assignee history
2013–2016Patents assigned to NISHIMOTO TOSHIAKI (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MAZDA MOTOR | 37 | 1992–2020 |
| ARAKI KEIJIself | 5 | 2012–2016 |
| YAMAKAWA MASAHISA | 4 | 2012–2016 |
| HITOMI MITSUO | 3 | 2013–2016 |
| NISHIMOTO TOSHIAKI | 3 | 2013–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hatsukaichi, JP | 21 | 2008–2020 |
| Hiroshima, JP | 7 | 1992–2013 |
| Fuchu-cho, JP | 7 | 2001–2006 |
| Aki-gun, JP | 1 | 2007 |
| Saeki-gun, JP | 1 | 1995 |