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Inventor

Katsunori Takahashi

Inventor
Hachioji, JP

Overview

104→
Patents
1991–2020
Patent span
Physics
Primary field (CPC G)

Patents· 104 as inventor

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

G03Gprimary
G03GElectrography8%
H04NPictorial communication, e.g. television8%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
G06FElectric digital data processing4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
B29BPreparation or pretreatment of the material to be shaped4%
B29CShaping or joining of plastics4%
G02BOptical elements, systems or apparatus4%
F02BInternal-combustion piston engines3%
A63FCard, board, or roulette games3%
PatentTitleYear
10,696,812Porous poly(vinyl acetal) object and nonwoven poly(vinyl acetal) fabric202010,597,508Electromagnetic wave shielding material and layered body for electromagnetic wave shielding202010,469,711Colorimetric device, image forming device, image forming system, and image forming management device201910,377,838Resin composite material and method for producing resin composite material201910,309,401Vacuum exhaust system and channel-switching valve used in this vacuum exhaust system201910,191,696Image forming system including a first image forming apparatus and a second image forming apparatus connected on a downstream side of the first image forming apparatus201910,165,141Image reading apparatus, image forming apparatus, image forming system, image forming method, and non-transitory computer-readable recording medium which stores image forming control program therein201810,047,219Polyolefin-based resin composition20189,964,902Fixing device and image forming apparatus20189,955,045Reading apparatus, reading control method, and reading control program20189,838,568Image reading apparatus and image forming system20179,730,172'Base station device and method of updating counter of base station device'20179,699,750'Synchronization establishment method'20179,642,133'Communication apparatus, communication system, and communication method'20179,477,187'Temperature-measuring device that measures temperature of sheet, and image-forming apparatus using the same'20169,463,581'Kneading degree adjusting mechanism, extruder, continuous mixer, kneading degree adjusting method, and kneading method'20169,361,552'Image detection apparatus and image forming apparatus'20169,182,722'Image forming system and control method for the same'20159,068,037'Method for producing resin composite material, and resin composite material'20159,051,472'Exfoliated graphite oxide derivative, resin composite material thereof, and process for producing said resin composite material'20159,042,742'Image forming apparatus and image forming method'20159,031,429'Gloss processing apparatus'20158,838,004'Gloss processing apparatus'20148,807,775'Array-type display apparatus'20148,725,041'Image forming apparatus with countermeasures against instantaneous fluctuation due to vibration'20148,706,013'Fixing device and image forming apparatus'20148,670,683'Image forming apparatus'20148,606,155'Fixing device with a separation section configured to blast gas from a heat receiving duct, and image forming apparatus incorporating the same'20138,600,251'Image forming apparatus and image forming method'20138,579,283'Image forming apparatus'20138,480,079'Sheet reversing apparatus, image forming apparatus and sheet reversing method'20138,451,310'Image forming apparatus'20138,406,644'Image forming apparatus with temperature-based color control'20138,210,527'Paper ejecting device with swinging protruding members'20128,160,463'Image forming apparatus'20128,052,142'Paper transport apparatus with inverting turn guide having range of curvature radius'20118,052,146'Sheet transport apparatus'20118,043,481'Sputtering method and apparatus'20117,966,628'Disk transfer mechanism and disk recording and/or reproduction apparatus'20117,958,520'Disk drive device'20117,913,102'Variable frequency clock output circuit and apparatus, motor driving apparatus, and image forming apparatus'20117,856,641'Disk drive device and centering members therefor'20107,686,295'Paper ejecting device'20107,677,787'Intermeshing type twin screw extruder and mixing degree adjusting device'20107,604,727'Electroplating method for a semiconductor device'20097,545,404'Videophone and videophone system'20097,496,071'Mobile node, server, and communication system'20097,457,009'Image reading apparatus and image forming apparatus'20087,420,547'Method and apparatus for matching tactile sensation to the contents of a display'20087,323,097'Electroplating method for a semiconductor device'20087,315,543'Apparatus and method for data communication on packet-switching network'20087,312,013'Photoreactive composition'20077,263,970'Intake flow control apparatus for an internal combustion engine'20077,197,253'Image forming apparatus including two CPUs to control a fixing device'20077,181,149'Image forming apparatus'20077,163,046'Method and apparatus for injection molding light metal alloy'20077,158,298'Rear projection screen and diffusing sheet'20077,154,517'Image forming apparatus'20067,106,506'Lenticular lens sheet and projection screen'20067,012,743'Lenticular lens sheet and projection screen'20066,940,644'Lens sheet and rear projection screen including the same'20056,849,952'Semiconductor device and its manufacturing method'20056,840,302'Method and apparatus for injection molding light metal alloy'20056,804,054'Composite lenticular lens sheet and projection screen'20046,792,225'Switch and image forming apparatus'20046,717,286'Pasting and bookbinding method, pasting and bookbinding apparatus, and image forming apparatus for use therewith'20046,709,354'Extruder driving apparatus'20046,666,183'V-type internal combustion engine'20036,597,502'Rear projection screen with uniformity of luminance'20036,592,056'Gluing device, bookbinding apparatus with the gluing device and image forming apparatus with bookbinding apparatus'20036,575,720'Bearing and shaft cooling device'20036,537,050'Underwater cutting granulating device'20036,524,088'Gear pump having a bearing with a temperature adjusting medium passage'20036,480,786'Method and system for route guiding'20026,453,286'Computer system for processing image and sound data using ADPCM stereo coding'20026,409,373'Continuous kneader, rotor for material discharging'20026,292,294'Rear projection screen with uniformity of luminance'20016,267,087'Water-cooled engine'20016,250,268'Cam chain guide attachment structure'20016,244,238'Crankcase for a multiple cylinder engine'20016,244,225'Cooling structure of multi-cylinder engine'20016,237,577'Breather structure for four cycle engine'20016,223,709'Four cycle engine'20016,220,020'Secondary air supply passage for an engine'20016,213,063'Engine water pump structure'20016,213,458'Document sheet feeding apparatus'20016,202,617'Cylinder head of a DOHC type engine'20016,174,475'Underwater cutting granulating device, knife used in this device, and underwater cutting granulating method using this knife'20016,081,403'Tape guide members for a tape travel system for a tape loading mechanism in a recording and reproducing apparatus'20006,052,226'Fresnel lens sheet for rear projection screen'20006,046,847'Rear projection screen containing Fresnel lens sheet utilizing alternative focal lengths'20005,947,593'Twin-screw kneading apparatus'19995,845,242'Computer system for processing image and sound data'19985,833,158'Recording and/or reproducing apparatus having means for selectively loading large or small tape cassette'19985,831,681'Computer system for processing sound data and image data in synchronization with each other'19985,822,149'Positioning guide mechanism and erroneous insertion detecting and discharging mechanism for a recording and producing apparatus'19985,694,518'Computer system including ADPCM decoder being able to produce sound from middle'19975,692,099'Computer system including recovery function of ADPCM sound data'19975,623,315'Computer system for processing sound data'19975,590,959'Continuous mixer and rotor segment removal tool for the same'19975,567,222'Method of controlling slag coating of a steel converter'19965,548,655'Sound processing apparatus'19965,410,006'Composition for forming lens, and Fresnel lens and transmission screen using said composition'19954,982,226'Exposure device'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2014Patents assigned to DAINIPPON PRINTING CO LTD (11)· patent assignee history
1995–2018Based in Tokyo, JP· patent location history
1996–2002Based in Hokkaido, JP· patent location history
1997–2016Patents assigned to KOBE STEEL LTD (12)· patent assignee history
1997–2016Based in Takasago, JP· patent location history
2001–2019Based in Hachioji, JP· patent location history
2001–2007Based in Saitama, JP· patent location history
2006–2014Patents assigned to KONICA MINOLTA BUSINESS TECH (14)· patent assignee history
2012–2019Patents assigned to TAKAHASHI KATSUNORI (16)· patent assignee history
2014–2019Patents assigned to KONICA MINOLTA INC (12)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAKAHASHI KATSUNORIself162012–2019
KONICA MINOLTA BUSINESS TECH142006–2014
KOBE STEEL LTD121997–2016
KONICA MINOLTA INC122014–2019
DAINIPPON PRINTING CO LTD111995–2014
Locations
LocationPatentsSpan
Hachioji, JP212001–2019
Tokyo, JP211995–2018
Takasago, JP121997–2016
Saitama, JP92001–2007
Hokkaido, JP71996–2002