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Inventor

Ayumu Miyajima

Inventor
Narita, JP

Overview

29→
Patents
2002–2016
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 29 as inventor

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

F02Mprimary
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof31%
Y02TClimate change mitigation technologies related to transportation22%
F02BInternal-combustion piston engines10%
F02DControlling combustion engines10%
B60TVehicle brake control systems or parts thereof7%
B62DMotor vehicles7%
F02PIgnition, other than compression ignition, for internal-combustion engines3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
B60WConjoint control of vehicle sub-units of different type or different function2%
F02FCylinders, pistons or casings, for combustion engines2%
PatentTitleYear
9,278,676'Brake control device'20168,833,869'Vehicle brake system'20148,672,808'Brake control system'20148,538,653'Brake control apparatus'20137,703,561'Power steering system'20107,648,003'Power steering system'20107,631,722'Power steering system'20097,584,816'Power steering apparatus'20097,264,181'Fuel injection valve with restriction wall, and internal combustion engine equipped therewith'20077,231,902'Fuel injection valve and internal combustion engine mounting the same'20077,017,556'Engine start fuel control system'20067,007,667'Cold start fuel control system'20066,918,383'Fuel control system'20056,874,467'Fuel delivery system for an internal combustion engine'20056,854,448'Fuel injection valve and fuel injection system'20056,845,925'Fuel injector'20056,843,238'Cold start fuel control system'20056,840,465'Manufacturing method of a fuel injection valve; and a fuel injection valve and an internal combustion engine equipped therewith'20056,736,103'System for management of fuel in a cold start fuel passageway'20046,685,114'Electromagnetic fuel injection valve'20046,675,766'Fuel injection valve and internal combustion engine mounting the same'20046,668,793'Internal combustion engine'20036,588,399'Fuel injection method of internal combustion engine and fuel injection apparatus of 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'20036,508,236'Fuel supply device and internal combustion engine mounting the same'20036,453,872'Fuel injection valve and internal combustion engine mounting the same'20026,367,720'Electromagnetic fuel injection valve'20026,345,601'Direct injection fuel injector and internal combustion engine mounting the same'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2010Patents assigned to HITACHI LTD (24)· patent assignee history
2002–2010Based in Chiyoda-ku, JP· patent location history
2003Patents assigned to HITACHI CAR ENG CO LTD (4)· patent assignee history
2003–2010Based in Narita, JP· patent location history
2004–2006Based in Farmington Hills, MI, US· patent location history
2009–2016Based in Hitachinaka, JP· patent location history
2013–2016Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (4)· patent assignee history
2013–2016Patents assigned to INNAMI TOSHIYUKI (4)· patent assignee history
2013–2016Patents assigned to MATSUZAKI NORIKAZU (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD242002–2010
HITACHI AUTOMOTIVE SYSTEMS LTD42013–2016
HITACHI CAR ENG CO LTD42003
INNAMI TOSHIYUKI42013–2016
MATSUZAKI NORIKAZU42013–2016
Locations
LocationPatentsSpan
Narita, JP102003–2010
Chiyoda-ku, JP82002–2010
Farmington Hills, MI, US62004–2006
Hitachinaka, JP52009–2016