Inventor

Masashi Hakariya

Inventor

Nagoya, JP

Overview

2004–2018

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 16 as inventor

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

F02Dprimary

F02DControlling combustion engines50%

Y02TClimate change mitigation technologies related to transportation23%

G01MTesting static or dynamic balance of machines or structures10%

F01LCyclically operating valves for machines or engines7%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general3%

F02BInternal-combustion piston engines3%

G01NInvestigating or analysing materials by determining their chemical or physical properties3%

PatentTitleYear

10,072,593Control device of internal combustion engine2018 9,752,523'Air-fuel ratio control apparatus for internal combustion engine'2017 9,726,103'Fuel injection amount control apparatus for an internal combustion engine'2017 9,341,544'Abnormality detecting device of internal combustion engine'2016 9,206,754'Control device of internal combustion engine'2015 9,097,193'Inter-cylinder air-fuel ratio variation abnormality detection apparatus for multicylinder internal combustion engine'2015 8,892,337'Apparatus for detecting imbalance abnormality in air-fuel ratio between cylinders in multi-cylinder internal combustion engine'2014 8,620,564'Abnormality detection apparatus and abnormality detection method for multi-cylinder internal combustion engine'2013 8,589,055'Inter-cylinder air/fuel ratio imbalance determination apparatus and inter-cylinder air/fuel ratio imbalance determination method'2013 8,443,656'Inter-cylinder air-fuel ratio imbalance abnormality detection device for multi-cylinder internal combustion engine and abnormality detection method therefor'2013 8,381,708'Vehicle and vehicle control method'2013 7,373,922'Intake air amount control apparatus and intake air amount control method of internal combustion engine'2008 7,373,238'Control system of internal combustion engine'2008 7,359,794'Control device for internal combustion engine'2008 7,270,095'Apparatus and method for controlling internal combustion engine'2007 6,782,853'Control apparatus and method for valve actuating system of internal combustion engine'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2018Patents assigned to TOYOTA MOTOR CO LTD (16)· patent assignee history

2004–2008Based in Mishima, JP· patent location history

2007–2018Based in Nagoya, JP· patent location history

2013–2018Patents assigned to HAKARIYA MASASHI (10)· patent assignee history

2013–2018Patents assigned to ODA YOSHIHISA (8)· patent assignee history

2013–2018Patents assigned to NAKAJIMA ISAO (7)· patent assignee history

2013–2018Patents assigned to OKADA MASAHIDE (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOYOTA MOTOR CO LTD	16	2004–2018
HAKARIYA MASASHIself	10	2013–2018
ODA YOSHIHISA	8	2013–2018
NAKAJIMA ISAO	7	2013–2018
OKADA MASAHIDE	5	2013–2018

Locations

Location	Patents	Span
Nagoya, JP	14	2007–2018
Mishima, JP	2	2004–2008