Inventor
Masami Nagano
Inventor
Katsuta, JP
Overview
Patents· 58 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y02Tprimary
Y02TClimate change mitigation technologies related to transportation25%
F02DControlling combustion engines24%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof14%
F02BInternal-combustion piston engines12%
F02PIgnition, other than compression ignition, for internal-combustion engines8%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
F02NStarting of combustion engines1%
B01DSeparation1%
B01FMixing, e.g. dissolving, emulsifying or dispersing1%
PatentTitleYear
7,509,799'Engine exhaust gas treatment system and exhaust gas treatment process'20097,369,925'Vehicle failure diagnosis apparatus and in-vehicle terminal for vehicle failure diagnosis'20087,267,100'Controller of internal combustion engine'20077,246,486'Combination of selected opioids with other active substances for use in the therapy of urinary incontinence'20077,240,661'Fuel injection device for internal combustion engine'20077,219,650'Control apparatus of fuel injection type internal combustion engine'20077,150,144'Engine control apparatus'20067,093,426'Starting apparatus, starting method, control method and exhaust filtration apparatus of internal combustion engine'20067,080,507'Exhaust gas purifier'20067,013,869'Fuel supply system for internal combustion engine'20066,854,448'Fuel injection valve and fuel injection system'20056,820,864'Fuel vaporization promoting apparatus and fuel carburetion accelerator'20046,782,694'Method and apparatus for controlling an engine'20046,675,574'Control unit for internal combustion engine'20046,668,794'Fuel injection device for internal combustion engine'20036,606,976'Fuel supply system of internal combustion engine'20036,588,399'Fuel injection method of internal combustion engine and fuel injection apparatus of internal combustion engine'20036,584,962'Engine control, apparatus for a multicylinder engine'20036,557,521'Fuel supply system for internal combustion engine'20036,543,419'Fuel injection system for internal combustion engine'20036,543,412'Intake air control device and internal combustion engine mounting the same'20036,536,412'Control device for internal combustion engine'20036,519,513'Hybrid vehicle control apparatus'20036,508,236'Fuel supply device and internal combustion engine mounting the same'20036,308,687'Control apparatus for multi-cylinder internal combustion engine'20016,098,604'Cylinder identifying device for internal combustion engines'20005,718,203'Control apparatus for an engine of direct injection'1998RE035195'Method and controller for supplying fuel to cylinders of multicylinder internal combustion engine'19965,467,752'Method and apparatus for controlling the fuel injection/ignition timing of internal combustion engines, and a crank angle sensor using same'19955,319,558'Engine control method and apparatus'19945,256,959'Control system for generator mounted on vehicle'19935,226,393'Altitude decision system and an engine operating parameter control system using the same'19935,148,791'Method of electronic engine control for internal combustion engine having a plurality of cylinders'19925,113,833'Method and controller for supplying fuel to cylinders of multicylinder internal combustion engine'19925,111,405'Engine control system'19925,086,741'Method and apparatus for detecting and controlling combustion condition in an internal combustion engine'19925,069,183'Multi-cylinder engine control method and electronic control apparatus therefor'19915,058,550'Method for determining the control values of a multicylinder internal combustion engine and apparatus therefor'19915,033,437'Method of controlling air-fuel ratio for use in internal combustion engine and apparatus of controlling the same'19914,953,532'Ignition timing control unit for internal combustion engine'19904,896,641'Ignition timing control device of internal combustion engine'19904,887,573'Ignition timing adjusting apparatus for internal combustion engine'19894,862,855'Control apparatus for internal combustion engine'19894,852,537'Ignition timing control apparatus for internal combustion engine'19894,825,833'Engine control apparatus'19894,799,469'Apparatus and method for controlling ignition timing for internal combustion engine'19894,759,327'Apparatus for controlling an internal combustion engine'19884,742,807'Electronic control device for internal combustion engine'19884,723,524'Fuel injection controlling method for an internal combustion engine'19884,719,885'Electronic control fuel injection device'19884,662,340'Electronic fuel injection system for internal combustion engine'19874,624,134'Hot-wire air-flow meter'19864,550,705'Electrical fuel injector'19854,506,646'Electronic controlled fuel injection system and injection timing control method therefor'19854,403,741'Electromagnetic fuel injection valve'19834,333,890'Slow fuel controlling device for carburetor'19824,229,384'Carburetor with starting means'19804,153,026'Carburetor for stratified charge combustion engine'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–2008Patents assigned to HITACHI LTD (52)· patent assignee history
1979–1996Based in Katsuta, JP· patent location history
1989Patents assigned to NISSAN MOTOR (2)· patent assignee history
1991–1995Patents assigned to HITACHI AUTOMOTIVE ENG (3)· patent assignee history
1998–2009Based in Hitachinaka, JP· patent location history
2000–2007Patents assigned to HITACHI CAR ENG CO LTD (15)· patent assignee history
2006Based in Tokyo, JP· patent location history
2008Based in Ibaraki, JP· patent location history
2009Patents assigned to BABCOCK HITACHI KK (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 52 | 1979–2008 |
| HITACHI CAR ENG CO LTD | 15 | 2000–2007 |
| HITACHI AUTOMOTIVE ENG | 3 | 1991–1995 |
| NISSAN MOTOR | 2 | 1989 |
| BABCOCK HITACHI KK | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Katsuta, JP | 31 | 1979–1996 |
| Hitachinaka, JP | 25 | 1998–2009 |
| Ibaraki, JP | 1 | 2008 |
| Tokyo, JP | 1 | 2006 |