LexDanaLexDanabeta
Inventor

Kenji Ogawa

Inventor
Tokyo, JP

Overview

120→
Patents
1983–2021
Patent span
Physics
Primary field (CPC G)

Patents· 120 as inventor

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

G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information10%
B62DMotor vehicles8%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
G11BInformation storage based on relative movement between record carrier and transducer5%
F04BPositive-displacement machines for liquids4%
H04NPictorial communication, e.g. television4%
G01CMeasuring distances, levels or bearings3%
H01JElectric discharge tubes or discharge lamps3%
H05KPrinted circuits3%
G01SRadio direction-finding2%
PatentTitleYear
10,913,485Steering control apparatus202110,196,085Electric power steering device201910,000,235Steering control device20189,993,896Method for laser welding of materials having different thicknesses20189,896,122'Steering control device, and steering control method'20189,896,124'Steering control apparatus'20189,738,307'Steering control device, and steering control method'20179,730,278'Induction heating cooking device'20179,673,748'Motor control device and motor control method'20179,642,267'Portable wireless device'20179,522,695'Steering control device, and steering control method'20169,515,581'Motor control device'20169,426,879'Reinforced metal core board and electric connection box having the same'20169,385,512'Electrical junction box with electrical components mounted to conductive metal plates across a gap'20169,241,374'Induction cooking appliance'20169,110,451'Motor control system and safety monitoring system therefor'20159,053,746'Disk device and data recording method'20159,043,090'Automatic steering apparatus'20158,879,192'Information recording device and information recording method'20148,605,013'Plasma display device, and plasma display panel driving method'20138,571,757'Steering apparatus for a vehicle'20138,497,402'Process and apparatus for producing gas hydrate pellet'20138,405,576'Plasma display device and plasma display panel driving method'20138,379,007'Plasma display device and method for driving plasma display panel'20138,330,367'Plasma display panel'20128,303,293'Process and apparatus for producing gas hydrate pellet'20128,232,983'Method for driving plasma display panel, and plasma display device'20128,212,477'Plasma display panel'20128,212,746'Method for driving a plasma display panel by using a holding period between subfield groups'20128,212,745'Method for driving a plasma display panel using subfield groups'20128,207,913'Plasma display device and method for controlling an amplitude of a waveform used for driving a plasma display panel based on temperature'20128,096,798'Gas hydrate compression molding machine'20128,089,426'Plasma display panel drive method of determining a subfield, having a low luminance, for performing an every-cell initialization operation and setting a width of a sustain pulse of the subfield for performing the every-cell initialization operation'20128,085,222'Plasma display device and method for driving the same'20118,031,134'Method of driving plasma display panel'20117,859,784'Data storage device and adjacent track rewrite processing method'20107,854,600'Tube pump'20107,815,422'Liquid discharging device'20107,800,555'Method of driving plasma display panel'20107,786,956'Plasma display device'20107,778,518'Transport stream recording apparatus and method, transport stream reproducing apparatus and method, and program recording medium'20107,720,584'Vehicular steering apparatus'20107,713,034'Diaphragm pump and manufacturing device of electronic component'20107,690,477'Vehicular steering system'20107,621,838'Transmission ratio varying mechanism'20097,575,092'Vehicle steering control device'20097,575,652'Tire structural members manufacturing method and system for carrying out the same'20097,565,947'Vehicular steering system'20097,553,365'Water-based pigment dispersions, inkjet recording inks, and color filters'20097,537,748'Hydrogen storage matter and manufacturing method and apparatus for the same'20097,481,967'Molten metal transporting container'20097,477,209'Plasma display apparatus and driving method thereof'20097,468,713'Plasma display panel drive method'20087,432,637'Piezoelectric drive device and liquid discharging device'20087,423,616'Plasma display panel drive method'20087,361,698'Water-based pigment inks, image recording method, and image recording system'20087,354,547'Molten-metal transferring ladle and molten-metal tapping method'20087,348,937'Plasma display panel drive method'20087,345,655'Plasma display panel drive method'20087,298,349'Drive method for plasma display panel'20077,197,378'Coordinating controller for electric power equipment'20077,138,966'Plasma display panel display and its driving method'20067,076,151'Image recording apparatus and method, image playback apparatus and method, and recording medium'20067,061,178'Plasma display'20067,004,358'Dispenser'20066,959,141'Data reproduction apparatus and reproduction method'20056,950,604'Transport stream recording apparatus and method, transport stream reproducing apparatus and method, and program recording medium'20056,795,041'Mixed reality realizing system'20046,763,908'Steering device for a vehicle'20046,751,400'Reproducing method and apparatus'20046,728,469'Video signal reproduction apparatus and method'20046,705,424'Vehicle steering system'20046,685,444'Fluid discharging device with a reciprocating pump member defining an outlet valve, and a valve member defining an outlet and suction valve'20046,672,268'Method and apparatus for controlling electromagnetic driving valve for internal combustion engine'20046,650,403'Distance measuring device for a vehicle'20036,591,192'Vehicle surrounding monitoring apparatus'20036,571,002'Eye open/close detection through correlation'20036,467,655'Pump dispenser'20026,462,924'Power supply apparatus comprising a voltage detection circuit and method for using same'20026,283,111'Wire saw cutting method and apparatus therefor'20016,160,954'Device for and method of reproducing recording medium'20006,157,615'Method for controlling a test for an ATM exchange'20005,932,802'Oscillation gyro and an inspection apparatus therefor'19995,805,720'Facial image processing system'19985,731,519'Oscillation gyro and an inspection apparatus therefor'19985,637,322'Method for producing composition for solid medicine'19975,631,690'Recording apparatus'19975,600,063'Oscillation gyro and an inspection apparatus therefor'19975,527,641'Coated metal sheet for dry cell positive electrode can and positive electrode can formed of such metal sheet'19965,498,510'Method for simultaneously coating at least two layers to make a photographic light-sensitive element'19965,436,472'Photointerrupter'19955,434,467'Vibrator and detector circuit for vibrating gyro'19955,432,594'Optical distance measurement device using image sensors for determining distance to symmetric objects'19955,414,367'Apparatus for detecting alcohol concentration in a mixed fuel'19955,414,368'Dielectric constant detecting apparatus'19955,341,210'Digital ramp phase type optical interference gyro'19945,337,017'Apparatus for detecting alcohol content of liquid'19945,313,168'Apparatus for detecting fuel dielectric constant'19945,293,505'Quick response solid state relay having a thyristor discharge circuit and a phototransistor'19945,225,783'Dielectric constant detection apparatus for fuel'19935,159,557'Distance detecting apparatus and method for a vehicle'19925,157,453'Liquid content detecting device for alcohol regular gasoline and premium gasoline fuel mixture'19925,157,452'Method and apparatus for liquid content detection with refractive index and temperature signal mixing'19925,110,205'Apparatus for detecting alcohol concentration'19925,091,191'Pharmaceutical composition with improved dissolution property'19925,074,659'Device for detecting alcoholic content'19915,060,032'Insulated gate transistor operable at a low-drain-source voltage'19915,045,709'Optically coupled solid state relay with dual discharging circuits'19915,039,217'Optical transceiver apparatus for detecting distance between two cars'19915,026,153'Vehicle tracking control for continuously detecting the distance and direction to a preceding vehicle irrespective of background dark/light distribution'19915,015,091'Device for detecting alcoholic content'19914,983,103'Annular plunger pump'19914,915,082'Air-fuel ratio controller of internal combustion engine'19904,829,841'Rotary driving device'19894,754,175'Solid state relay having a thyristor discharge circuit'19884,730,992'Continuously operable hydraulic device'19884,637,812'Apparatus for folding web-shaped member'19874,592,739'Web material folding device'19864,548,537'Apparatus for taking up rod type materials'19854,408,241'Cleaning device'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2010Based in Musashino, JP· patent location history
1988–2021Based in Tokyo, JP· patent location history
1990–2021Patents assigned to MITSUBISHI ELECTRIC CORP (43)· patent assignee history
1990–1999Based in Himeji, JP· patent location history
1991–2017Based in Hyogo, JP· patent location history
2000–2010Patents assigned to SONY CORP (7)· patent assignee history
2002–2010Patents assigned to NEUBERG COMPANY LTD (7)· patent assignee history
2004–2017Based in Osaka, JP· patent location history
2008–2013Patents assigned to PANASONIC CORP (16)· patent assignee history
2011–2017Patents assigned to OGAWA KENJI (22)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP431990–2021
OGAWA KENJIself222011–2017
PANASONIC CORP162008–2013
NEUBERG COMPANY LTD72002–2010
SONY CORP72000–2010
Locations
LocationPatentsSpan
Tokyo, JP411988–2021
Osaka, JP232004–2017
Himeji, JP151990–1999
Musashino, JP111986–2010
Hyogo, JP61991–2017