Inventor

Kenichi Harada

Inventor
Susono, JP

Overview

46→
Patents
1985–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 46 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus15%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general8%
Y02TClimate change mitigation technologies related to transportation8%
H01CResistors7%
Y10TTechnical subjects covered by former us classification7%
F02DControlling combustion engines5%
F01LCyclically operating valves for machines or engines3%
F21VFunctional features or details of lighting devices or systems thereof3%
C10MLubricating compositions2%
PatentTitleYear
10,754,083Optical sheet for backlight unit and backlight unit202010,539,721Diffusion sheet, backlight unit, and liquid crystal display device202010,466,405Prism sheet for backlight unit and backlight unit for liquid crystal display device201910,459,151Optical sheet for liquid crystal display device, and backlight unit for liquid crystal display device201910,433,709Image display device, image display method, and program201910,386,567Optical sheet for liquid crystal display device, backlight unit for liquid crystal display device and production method of optical sheet for liquid crystal display device201910,107,148Valve rotation device201810,102,948Chip resistor and method for making the same201810,028,049Headphones20189,977,171Optical waveguide sheet, backlight unit, and portable terminal20189,966,170Shunt resistor20189,881,719'Chip resistor and method for making the same'20189,726,055'Poppet valve'20179,711,265'Chip resistor and method for making the same'20179,588,277'Optical waveguide sheet, backlight unit, and portable terminal'20179,541,700'Optical sheet for use in an edge light type backlight unit'20179,514,867'Chip resistor and method for making the same'20169,507,075'Optical sheet for use in an edge light type backlight unit'20169,177,701'Chip resistor and method for making the same'20159,057,418'Balancer shaft device'20158,928,843'Liquid crystal display module comprising a transparent media layer interposed between a reflection polarizing plate and an optical sheet'20158,887,689'Oil deterioration suppressing apparatus for internal combustion engine'20148,882,360'Conical roller bearing device'20148,874,333'Control apparatus for automatic transmission'20148,772,208'Additive agent, oil filter and lubricating device for machine'20148,399,041'Plastic fat composition'20138,151,284'Disc apparatus for recording and/or reproducing information for use with a large diameter disc which prevents use with a small diameter disc'20127,986,388'Substrate film for optical sheets, optical sheet, and liquid crystal display module'20117,755,727'Liquid crystal display module'20106,871,994'Light diffusion sheet and backlight unit using the same'20056,709,143'Light diffusion sheet and backlight unit using the same'20045,832,723'Engine exhaust pipe'19985,801,069'Method of fabricating thin film piezoelectric device'19985,606,857'Exhaust system for an engine'19975,582,803'Electrically heated catalytic apparatus'19965,579,639'Double walled exhaust pipe for an engine'19965,553,451'Electrically heated catalytic converter system for an engine'19965,447,696'Electrically heated catalytic converter system for an engine'19955,385,017'Apparatus for controlling heating of a catalytic converter of an internal combustion engine'19955,309,756'Device for determining malfunction of an engine cylinder'19945,231,964'Intake air control device for an internal combustion engine'19935,213,088'Air-fuel, ratio control device for an internal combustion engine'19935,172,672'Evaporative fuel purge apparatus'19924,870,942'Diagnosis device for exhaust gas recycling device of internal combustion engine'19894,819,601'Diagnostic system of an air-fuel ratio control device'19894,533,220'Indicating device for indicating data within the visual field of microscope'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2018Patents assigned to TOYOTA MOTOR CO LTD (18)· patent assignee history
1989–2018Based in Susono, JP· patent location history
1998–2020Based in Tokyo, JP· patent location history
2004–2017Based in Gobo, JP· patent location history
2010–2020Patents assigned to KEIWA INC (11)· patent assignee history
2012–2017Patents assigned to HARADA KENICHI (10)· patent assignee history
2014–2015Patents assigned to MURAKAMI MOTOICHI (3)· patent assignee history
2015–2018Patents assigned to ROHM CO LTD (6)· patent assignee history
2015–2018Based in Kyoto, JP· patent location history
2017–2018Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYOTA MOTOR CO LTD181989–2018
KEIWA INC112010–2020
HARADA KENICHIself102012–2017
ROHM CO LTD62015–2018
MURAKAMI MOTOICHI32014–2015
Locations
LocationPatentsSpan
Susono, JP191989–2018
Tokyo, JP81998–2020
Kyoto, JP62015–2018
Gobo, JP52004–2017
Osaka, JP22017–2018