LexDanaLexDanabeta
Inventor

Kenji Matsuda

Inventor
Numazu, JP

Overview

97→
Patents
1979–2020
Patent span
Physics
Primary field (CPC G)

Patents· 97 as inventor

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

G03Gprimary
G03GElectrography26%
F24FAir-conditioning6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles3%
F25BRefrigeration machines, plants or systems3%
G05DSystems for controlling or regulating non-electric variables3%
Y10TTechnical subjects covered by former us classification3%
C22CAlloys2%
F16HGearing2%
H05BElectric heating2%
PatentTitleYear
10,870,907Element for slide fastener202010,756,743Atomic oscillator and electronic device202010,747,170Photosensitive member unit and development unit202010,707,884Atomic oscillator and electronic apparatus202010,599,094Photosensitive member cartridge and process cartridge202010,533,263Method for continuous electrolytic etching of grain oriented electrical steel strip and apparatus for continuous electrolytic etching of grain oriented electrical steel strip202010,372,079Photosensitive member unit and development unit201910,191,446Photosensitive member cartridge and process cartridge201910,066,730Gearbox and method for assembling same201810,033,079Non-reciprocal circuit element20189,835,975Developing device, process cartridge, and image forming apparatus20179,823,621'Photosensitive member cartridge and process cartridge'20179,607,922'Semiconductor device and heat-dissipating mechanism'20179,550,922'Hot-melt adhesive for electric instruments'20178,958,717'Cleaning apparatus, cartridge, image forming apparatus, and elastic seal'20158,905,908'Lubricant supplying method, supporting member and rotatable member unit'20148,837,982'Electrophotographic image forming apparatus'20148,723,436'LED lighting device and illumination apparatus including same'20148,716,130'Method of manufacturing semiconductor device'20148,680,775'Lighting driver circuit and light fixture'20148,565,642'Electrophotographic image forming apparatus'20138,521,041'Image forming apparatus with controller controlling an image forming operation'20138,402,954'Ignition device for internal combustion engine'20138,294,384'Dimming electronic ballast with preheat current control'20128,260,171'Electrophotographic image forming apparatus'20128,106,726'Elastic surface wave device comprising dummy electrodes'20128,078,071'Image forming apparatus and control method of the image forming apparatus'20118,000,630'Developing cartridge, process cartridge, and electrophotographic image forming apparatus'20117,813,670'Developing cartridge, process cartridge, and electrophotographic image forming apparatus'20107,627,269'Image forming apparatus with charging member cleaning capabilities'20097,597,024'Gear-shift device of manual transmission'20097,283,761'Developing apparatus and image forming apparatus, and storage apparatus'20077,254,347'Electrophotographic image forming apparatus and unit'20077,244,514'Corrosion resistant part'20077,003,233'Image forming apparatus with a toner replenishing control feature based on stored toner density and fluidity information, related method, and developing agent replenishing container for same'20066,980,755'Recycling method for developer supplying unit including the step of driving a feeding member in a direction to feed developer from a developer supply port to a developer accommodating portion'20056,968,147'Process cartridge whose sealing tape is removed when mounted to image forming apparatus and image forming apparatus to which the cartridge is mounted'20056,895,832'Power transmission system'20056,873,815'Part of an image forming apparatus and a unit having a groove covered with a brush member'20056,865,357'Drive transmission mechanism for transmitting drive to processing means and cartridge provided with same'20056,839,534'Image forming apparatus and developer supply container removably mountable in image forming apparatus'20056,754,461'Developer charging device'20046,713,017'Metal-flake manufacturing apparatus'20046,701,113'Developer carrying member, developer replenishment container and image forming apparatus'20046,687,478'Developer replenishing apparatus and image forming apparatus provided with the same'2004D0478616'Toner cartridge'20036,564,029'Cartridge having developer supply opening and image forming apparatus usable therewith'20036,556,800'Developer supply container and image forming apparatus capable of mounting the container thereon'20036,549,735'Developing apparatus with longitudinal end leakage preventing member in contact with smooth surface part of a developer carrying member'20036,460,338'Absorption waste-heat recovery system'20026,418,292'Developer replenishing container with movable shutter feature, cartridge and image forming apparatus employing developer replenishing container'20026,394,210'Temperature controller for vehicular battery'20026,357,541'Circulation apparatus for coolant in vehicle'20026,332,497'Vehicular air conditioner'20016,324,370'Electrophotographic image forming apparatus detachably mounting a developer replenishing container or in which a plurality of cartridges and developer replenishing containers are attachably and detachably positioned'20016,321,697'Cooling apparatus for vehicular engine'20016,272,300'Remanufacturing method for process cartridge, process cartridge and image forming apparatus'20016,195,515'Developing apparatus including a seal member sandwiched between a developer bearing member and a leakage preventing member'20016,172,422'Semiconductor device and a manufacturing method thereof'20016,151,459'Development cartridge and image forming apparatus'20006,144,820'Developing apparatus with a sealing member having an insulating layer and a conductive portion'20006,101,352'Developing cartridge for developing an electrostatic image formed on an image bearing member with toner and being detachably mountable to a main assembly of an image forming apparatus'20006,016,408'Developer cartridge for developing a latent image detachably mountable to a main assembly of an image forming apparatus'20005,926,694'Semiconductor device and a manufacturing method thereof'19995,867,751'Process cartridge detachably mountable to an image forming apparatus having an improved arrangement of voltage applying members'19995,839,504'Precision casting titanium aluminide'19985,825,472'Photosensitive drum, process cartridge and image forming apparatus'19985,746,109'Hydraulic system for controlling a mower unit through a raising and lowering mechanism'19985,697,022'Process cartridge, image forming apparatus usable therewith and process cartridge assembling method'19975,678,139'Process cartridge with shutter for protecting photosensitive drum'19975,669,229'Ceiling-mounted type air conditioner'19975,660,244'Work vehicle'19975,650,841'Process cartridge, image forming apparatus usable therewith and toner seal mounting method for process cartridge'19975,642,187'Process cartridge, image forming apparatus usable therewith and image forming system'19975,528,341'Process cartridge with rotary member having bearing attachment portions of different diameters, and method for refusing such a rotary member'19965,526,892'Vehicle having a differential with a vertical drive pinion shaft'19965,417,280'Stacked heat exchanger and method of manufacturing the same'19955,415,257'Clutch structure'19955,296,055'Titanium aluminides and precision cast articles made therefrom'1994D0340936'Lawn mower'19935,230,403'Steering platform for a working vehicle'19934,977,733'Four wheel steering tractor having a mid-mount mower'19904,914,925'Control device for an air conditioner'19904,909,310'Air flow control device for an air conditioner'19904,895,002'Air conditioning device'19904,890,545'Air conditioner'19904,877,183'Air flow control device for an air conditioner'19894,858,824'Air conditioner'19894,850,203'Air conditioner control apparatus'19894,807,444'Air flow control device'19894,784,208'Dual roll type continuous casting machine'19884,715,191'Air conditioning method'19874,709,554'Air conditioning apparatus'19874,657,585'Method for separating cobalt, nickel and the like from alloys'19874,273,007'Transmission for agricultural tractor'19814,262,768'Power transmission system for tractor'19814,147,887'Electric smelting furnace'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–2004Patents assigned to ISHIKAWAJIMA HARIMA HEAVY IND (6)· patent assignee history
1979–2004Based in Matsudo, JP· patent location history
1981–2007Based in Sakai, JP· patent location history
1987–1990Patents assigned to MITSUBISHI ELECTRIC CORP (10)· patent assignee history
1987–2006Based in Shizuoka, JP· patent location history
1993–1998Patents assigned to KUBOTA KK (6)· patent assignee history
1996–2020Patents assigned to CANON KK (46)· patent assignee history
1996–2001Based in Yokohama, JP· patent location history
2000–2020Based in Numazu, JP· patent location history
2011–2014Patents assigned to MATSUDA KENJI (12)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK461996–2020
MATSUDA KENJIself122011–2014
MITSUBISHI ELECTRIC CORP101987–1990
ISHIKAWAJIMA HARIMA HEAVY IND61979–2004
KUBOTA KK61993–1998
Locations
LocationPatentsSpan
Numazu, JP312000–2020
Shizuoka, JP171987–2006
Sakai, JP101981–2007
Yokohama, JP81996–2001
Matsudo, JP51979–2004