Inventor

Takashi Kitamura

Inventor

Yokohama, JP

Overview

1977–2021

Patent span

Physics

Primary field (CPC G)

Patents· 105 as inventor

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

G06Kprimary

G06KGraphical data reading10%

H04NPictorial communication, e.g. television8%

C07CAcyclic or carbocyclic compounds6%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%

Y10TTechnical subjects covered by former us classification5%

G02BOptical elements, systems or apparatus4%

G03GElectrography4%

G06FElectric digital data processing4%

B60CVehicle tyres3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

11,079,701Image forming apparatus2021 11,021,015Non-pneumatic tire2021 10,591,223Heat pipe, heat dissipating component, and method for manufacturing heat pipe2020 10,355,492Rechargeable battery controller2019 10,265,917Device and method for forming sheet-like rubber2019 10,135,282Storage battery control apparatus, power storage system, and method for charging storage battery2018 10,005,206Method for forming cylindrical rubber member2018 9,751,269'Device and method for forming sheet-like rubber'2017 9,182,576'Image pickup lens, image pickup device using same, and portable apparatus equipped with the image pickup device'2015 9,081,723'Data processing device'2015 9,035,740'Circuit protective device and method for manufacturing the same'2015 8,825,796'Transaction processing system and operation of the transaction process system'2014 8,570,639'Electrophoretic liquid, image display medium, and image display device'2013 7,933,062'Electrophoretic fluid, electrophoretic display medium, electrophoretic display element, and electrophoretic display device'2011 7,884,155'Process for producing polybutadiene rubber and rubber composition'2011 7,479,524'Process for producing aqueous resin dispersions'2009 7,379,788'Manufactured article treatment processing system'2008 7,369,185'Broadcast receiving apparatus and method having volume control'2008 D0537130'Body for a doll'2007 D0531234'Doll'2006 6,818,591'Reversible thermosensitive recording medium, label, and image forming and erasing method using the same'2004 6,521,726'Method of producing a polymer'2003 6,441,160'Separating plasmids from contaminants using hydrophobic or hydrophobic and ion exchange chromatography'2002 6,226,617'Product disposal system'2001 6,175,709'Toner support and image forming apparatus'2001 6,172,001'Reversible thermosensitive recording medium and image forming and erasing method using the same'2001 6,117,927'Method for producing a rubber composition'2000 6,084,025'Reduced hysteresis products prepared with anionic polymerization initiators'2000 6,017,985'Hydrosilated crystalline high trans polybutadine with silica filler, tires having a base of said composition and method of preparing same'2000 5,978,639'Intermediate transfer member and intermediate transfer device'1999 5,948,727'Reversible thermosensitive recording medium and image forming and erasing method using the same'1999 5,883,183'Reduced hysteresis products prepared with anionic polymerization initiators'1999 5,806,361'Rolling-mill roll of barrel-width adjustable type'1998 5,698,646'Process for producing elastomeric compound having reduced hysteresis'1997 5,674,798'Hydrocarbon soluble anionic polymerization initiators'1997 5,671,837'Panel distribution system and panel distributing method carried out by the same'1997 5,619,243'Image recording and erasing method'1997 5,552,509'Phenolic resin compositions derived from bisphenol compounds and their condensates'1996 5,552,499'Process of preparing reduced hysteresis products using anionic polymerization initiators'1996 5,395,915'Method for simultaneous preparation of bisphenol F and novolak phenol resins'1995 5,393,721'Anionic polymerization initiators and reduced hysteresis products therefom'1995 5,362,213'Micro-pump and method for production thereof'1994 5,347,760'Gear finishing apparatus'1994 5,292,790'Conjugated diene series rubber compositions'1994 5,250,630'Pneumatic tire'1993 5,183,543'Polyanilines, process for the preparation thereof and cells using them'1993 4,983,023'Liquid crystal display panel with polymer spacers containing a percentage of epoxy groups'1991 4,957,833'Non-aqueous liquid electrolyte cell'1990 4,954,661'Process for preparing high-purity bisphenol A'1990 4,950,806'Process for crystallizing adduct of bisphenol A with phenol'1990 4,950,805'Process for washing and obtaining solids of slurry'1990 4,950,804'Process for preparing bisphenol A'1990 4,950,807'Process for preparing bisphenol A'1990 4,946,877'Process for producing bisphenol A'1990 4,942,265'Process for preparing 2,2-bis(4-hydroxyphenyl)propane of high purity'1990 4,935,553'Process for preparing bisphenol A'1990 4,931,146'Process for obtaining high-purity bisphenol A'1990 4,918,245'Process for preparing bisphenol A'1990 4,864,326'Dual beam recorder'1989 4,798,654'Process for preparing bisphenol A'1989 4,755,394'Electroconductive articles and a method of producing the same'1988 4,607,065'Sealant compositions and method of producing the same'1986 4,579,446'Both-side recording system'1986 4,548,687'Sealant compositions and method of producing the same'1985 4,531,217'Semiconductor laser device with plural light sources'1985 4,528,561'Information output device for recording information with varied resolution'1985 4,520,263'Collator with photoelectric bin fill detection'1985 4,517,579'Electrostatic recording apparatus forming small non-recording regions in a recording field'1985 4,486,088'Method and apparatus for electrophotography capable of changing over images from positive to negative and vice versa'1984 4,479,221'Method of and apparatus for regulating the quantity of light of an array-like light source'1984 4,476,474'Dot recording apparatus'1984 4,474,422'Optical scanning apparatus having an array of light sources'1984 4,475,162'Output device for providing information by scan'1984 4,469,767'Electrophotographic process capable of image overlay and apparatus therefor'1984 4,450,453'Overlay recording device for recording a plurality of information in superimposition'1984 4,447,136'Semi-conductor laser device'1984 4,443,695'Apparatus for controlling the quantity of light'1984 4,435,491'Electrophotographic process for the production of lithographic printing plates and light-sensitive materials for use therein'1984 4,424,442'Scanning method using a plurality of beams and apparatus therefor'1984 4,423,426'Beam recording apparatus'1983 4,420,761'Scanning recording apparatus'1983 4,404,571'Multibeam recording apparatus'1983 4,393,387'Beam recording apparatus effecting the recording by a plurality of beams'1983 4,379,631'Apparatus having a copier function and a printer function'1983 4,375,067'Semiconductor laser device having a stabilized output beam'1983 4,375,063'Recording apparatus with laser beam'1983 4,370,678'Recording apparatus with beam scan information reading'1983 4,367,912'Light deflecting apparatus'1983 4,366,492'Semiconductor laser device'1982 4,338,577'Semiconductor laser apparatus'1982 4,329,413'Electrophotographic process capable of forming overlaid images and apparatus for carrying out the same'1982 4,323,297'Image forming optical system using a semiconductor laser'1982 4,314,469'Rolling mill'1982 4,268,870'Recording apparatus for reading information from an original'1981 4,253,724'Recording optical system'1981 4,241,415'Masking device for selectively preventing visualization of data from a data output system'1980 4,232,954'Recording position adjuster'1980 4,222,643'Recording position adjuster'1980 4,214,249'Recording member for laser beam and process for recording'1980 4,201,994'Information formation apparatus'1980 4,198,154'Image recording apparatus capable of representing half-tones on an image'1980 4,194,227'Composite magnetic core assembly having at least one side tip for a magnetic head'1980 4,175,851'Recording position adjuster'1979 4,130,339'Scanning optical system including optical system for detecting an information beam'1978 4,059,833'Recording position adjuster'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2021Patents assigned to CANON KK (41)· patent assignee history

1977–1989Based in Yokohama, JP· patent location history

1988–2001Patents assigned to BRIDGESTONE CORP (15)· patent assignee history

1989–1996Patents assigned to MITSUI TOATSU CHEMICALS (13)· patent assignee history

1990Based in Aichi, JP· patent location history

1993–2001Based in Musashimurayama, JP· patent location history

1995–2000Based in Akron, OH, US· patent location history

1997–2004Patents assigned to RICOH KK (4)· patent assignee history

2006–2019Based in Kyoto, JP· patent location history

2013–2017Patents assigned to KITAMURA TAKASHI (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	41	1977–2021
BRIDGESTONE CORP	15	1988–2001
MITSUI TOATSU CHEMICALS	13	1989–1996
KITAMURA TAKASHIself	5	2013–2017
RICOH KK	4	1997–2004

Locations

Location	Patents	Span
Yokohama, JP	41	1977–1989
Aichi, JP	8	1990
Akron, OH, US	6	1995–2000
Musashimurayama, JP	5	1993–2001
Kyoto, JP	4	2006–2019