Inventor

Hiroshi Yorita

Inventor
Kariya, JP

Overview

26→
Patents
1987–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 26 as inventor

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

F02Pprimary
F02PIgnition, other than compression ignition, for internal-combustion engines17%
H01TSpark gaps13%
F02BInternal-combustion piston engines8%
F02DControlling combustion engines8%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
B01DSeparation4%
F01MLubricating of machines or engines in general4%
F16HGearing4%
PatentTitleYear
10,663,037Helical gear device20209,939,081Valve apparatus20188,210,149'Baffle plate'20128,051,822'Spark plug and cylinder head assembly ensuring reliable ignition of air/fuel mixture'20117,449,822'Structure of spark plug ensuring stability in location of production of sparks'20087,313,949'Combustion chamber pressure sensor equipped with damper body for attenuating transmitted engine vibration'20086,844,662'Spark plug and ignition apparatus'20056,734,677'Device and method for detecting engine combustion condition'20046,725,834'Ignition system with ion current detecting circuit'20046,653,767'Spark plug and ignition apparatus'20036,653,840'Ion current detecting device for internal combustion engine'20036,557,537'Ion current detection system and method for internal combustion engine'20036,397,827'Spark ignition device for direct injection-type engines'20026,265,814'Spark plug having a bypass electrode extending along a bypass path between center and ground electrode'20016,104,195'Apparatus for detecting a condition of burning in an internal combustion engine'20006,020,742'Combustion monitoring apparatus for internal combustion engine'20005,925,819'Combustion monitoring apparatus for internal combustion engine'19995,855,781'Monolithic ceramic filter'19995,772,900'Method and apparatus for reclaiming used working fluid'19985,520,523'Diaphragm-type pump'19965,421,710'Fuel injection apparatus'19955,363,816'Valve drive device'19945,338,431'Oxygen concentration detecting apparatus'19944,815,431'Oil heating apparatus for internal combustion engine'19894,767,967'High voltage generating device'19884,705,003'Apparatus for controlling electroexpansive actuator avoiding deterioration of polarization'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2012Patents assigned to NIPPON SOKEN (21)· patent assignee history
1987–2018Based in Nishio, JP· patent location history
1989–2020Patents assigned to TOYOTA MOTOR CO LTD (4)· patent assignee history
1994–2008Based in Kariya, JP· patent location history
1994–2020Based in Anjo, JP· patent location history
1998–1999Patents assigned to NORITAKE CO LTD (2)· patent assignee history
1998–1999Based in Toyoake, JP· patent location history
2000–2018Patents assigned to DENSO CORP (12)· patent assignee history
2008Based in Aichi, JP· patent location history
2012Patents assigned to IWADE KIYOSHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON SOKEN211987–2012
DENSO CORP122000–2018
TOYOTA MOTOR CO LTD41989–2020
NORITAKE CO LTD21998–1999
IWADE KIYOSHI12012
Locations
LocationPatentsSpan
Kariya, JP151994–2008
Anjo, JP41994–2020
Nishio, JP41987–2018
Toyoake, JP21998–1999
Aichi, JP12008