Inventor

Katsuhiko Tanaka

Inventor

Tokyo, JP

Overview

1980–2020

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.

F16Cprimary

F16CShafts10%

G03GElectrography8%

G03DApparatus for processing exposed photographic materials5%

G11BInformation storage based on relative movement between record carrier and transducer5%

H10DInorganic electric semiconductor devices5%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%

Y10TTechnical subjects covered by former us classification4%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%

G02BOptical elements, systems or apparatus3%

H10BElectronic memory devices3%

PatentTitleYear

10,817,103Structure to avoid gaps between switches/touch panel and case of a touch panel device2020 10,500,820Laminating apparatus and laminating method using the same2019 10,399,321Apparatus for manufacturing a display device and a method using the same2019 10,357,951Laminating apparatus and laminating method using the same2019 10,151,610Flow rate measurement device and flow rate measurement method2018 9,884,474'Bonding apparatus and method of fabricating curved display device using the same'2018 9,076,793'Semiconductor device and manufacturing method thereof'2015 8,906,806'Method of manufacturing semiconductor device'2014 8,551,884'Method of manufacturing semiconductor device'2013 8,525,555'Power detector'2013 8,247,294'Manufacturing process of fin-type field effect transistor and semiconductor'2012 7,859,065'Fin-type field effect transistor and semiconductor device'2010 7,830,703'Semiconductor device and manufacturing method thereof'2010 7,753,538'Fabrication method for variable-shape mirror using thermo-compression bonding'2010 7,719,043'Semiconductor device with fin-type field effect transistor and manufacturing method thereof.'2010 7,452,089'Variable-shape mirror and optical pickup device therewith'2008 7,422,335'Variable-shape mirror and optical pickup device therewith'2008 7,390,100'Variable-shape mirror and optical pickup device therewith'2008 7,386,603'Contents distributing server, contents distribution control method, program, and recording medium'2008 7,371,680'Method of manufacturing semiconductor device'2008 7,303,626'Three-dimensional periodic structure and method for producing the same'2007 7,303,296'Variable-shape mirror and optical pickup device therewith'2007 7,119,443'Semiconductor integrated circuit device having a conductive film which contains metal atoms bondable to a halogen element'2006 7,004,651'Submerged processing device for photosensitive material'2006 6,900,412'Glow plug'2005 6,853,081'Method for fabricating semiconductor integrated circuit'2005 6,770,850'Heater'2004 6,744,015'Heater and method for manufacturing the same'2004 6,712,513'Fluid bearing device'2004 6,702,485'Photosensitive material processing apparatus and pleated cartridge filter'2004 6,667,182'Method for making ferroelectric thin-film, sensor and the ferroelectric thin-film element'2003 6,634,103'Method of stabilizing high-speed control of ball bearing device'2003 6,605,530'Method for fabricating semiconductor integrated circuit'2003 6,513,539'Submerged conveyance structure for photosensitive material'2003 6,513,983'Ball bearing'2003 6,492,730'Method for fabricating semiconductor integrated circuit'2002 6,461,050'Ball bearing device for a swing arm'2002 6,264,368'Fluid bearing motor'2001 6,252,601'Tetrahedral mesh generation and recording medium storing program therefor'2001 6,172,847'Rotational assembly for disc drive device having small runout and reduced axial displacement'2001 6,154,337'Cassette transfer apparatus'2000 6,149,010'Carrier for electronic parts'2000 6,094,322'Apparatus for automatically exchanging record medium cassettes between a plurality of recording and reproducing devices and between cassette storage devices'2000 6,081,057'Spindel motor for a disc drive'2000 6,074,098'Hydro-dynamic fluid bearing device and manufacturing method of the same'2000 6,053,638'Ball bearing device for a swing arm'2000 6,053,642'Photosensitive-material processing-solution replenishing apparatus'2000 6,052,043'Thin-film multilayered electrode, high-frequency transmission line, high-frequency resonator, and high-frequency filter'2000 6,033,118'Hydro-dynamic fluid bearing device and manufacturing method of the same'2000 6,028,360'Semiconductor integrated circuit device in which a conductive film is formed over a trap film which in turn is formed over a titanium film'2000 5,998,765'Ceramic glow plug'1999 5,930,498'Apparatus for stably producing discreted grid points'1999 5,930,550'Processing agent introducing apparatus'1999 5,901,031'Variable capacitor'1999 5,882,122'Rolling bearing and spindle apparatus'1999 5,683,183'Spindle device and bearing device therefor'1997 5,656,125'Photographic film splicer and method of splicing photographic films'1997 5,566,897'Photographic film take-up device and method'1996 5,555,067'Photographic film separating device and separation method'1996 5,508,139'Magnetic toner for developing electrostatic image'1996 5,488,863'Angular velocity sensor making use of tuning fork vibration'1996 5,360,183'Photographic film cassette having a film anchor'1994 5,356,749'Imaging method comprising a developer having a novel guanidine type compound'1994 5,327,417'Optical disk drive and read/write apparatus'1994 5,325,144'Photographic film curling correcting method and apparatus'1994 5,306,588'Treated silica fine powder and toner for developing electrostatic images'1994 5,292,085'Method of accommodating photographic film with enlongated leader member in photographic-film cartridge'1994 5,289,067'Bearing device'1994 5,288,579'Developer for developing electrostatic image, image forming apparatus, apparatus unit and facsimile apparatus'1994 5,246,810'Guanidine type compound, toner for developing electrostatic images, developer for developing electrostatic images'1993 5,214,208'Toner containing a dimer of diarylguanidine type compound for developing electrostatic image'1993 5,207,332'Apparatus for classifying photographic films'1993 5,165,619'Method of accommodating photographic film with elongated leader member in photographic-film cartridge'1992 5,114,245'Dynamic pressure bearing device'1992 5,084,369'Toner containing a dimer of diarylguanidine type compound for developing electrostatic image'1992 5,071,727'Positively chargeable electrostatic toner containing organic metal complex or organic nitrogen, phosphino or metal compound'1991 4,934,836'Dynamic pressure type fluid bearing device'1990 4,902,929'Electroluminescent device containing electroluminescent particles each covered with moisture proof film'1990 4,886,725'Toner composition containing organotin oxide'1989 4,856,918'Bearing device'1989 4,839,255'Process for producing toner for developing electrostatic images'1989 4,805,972'Dynamic pressure gas bearing device'1989 4,798,476'Dynamic pressure type fluid bearing'1989 4,737,684'Thin film EL element having a crystal-orientable ZnO sublayer for a light-emitting layer'1988 4,737,432'Positively chargeable toner and developer for developing electrostatic images contains di-organo tin borate charge controller'1988 4,719,331'Ceramic glow plug having a tungsten-rhenium alloy heating wire'1988 4,710,443'Toner, charge-imparting material and composition containing triazine type compound'1987 4,701,651'Motor unit'1987 4,691,104'One-dimensional pyroelectric sensor array'1987 4,673,631'Toner, charge-imparting material and composition containing metal complex'1987 4,663,263'Toner, charge-imparting material and composition containing substituted guanidine compound for electrophotography'1987 4,657,838'Toner, charge-imparting material and composition containing organotin alkoxide'1987 4,547,081'Dynamic pressure type fluid bearing'1985 4,328,295'Solid electrolyte for use in oxygen concentration sensor'1982 4,328,294'Solid electrolyte for use in oxygen concentration sensor'1982 4,328,296'Solid electrolyte for use in oxygen concentration sensor'1982 4,219,359'Sintered body of zirconia for oxygen concentration sensor'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1992Patents assigned to NIPPON SEIKO KK (7)· patent assignee history

1987–2008Patents assigned to CANON KK (16)· patent assignee history

1987–2007Patents assigned to MURATA MANUFACTURING CO (7)· patent assignee history

1987–2020Based in Tokyo, JP· patent location history

1987–2004Based in Yamato, JP· patent location history

1989–1994Based in Yokohama, JP· patent location history

1992–2006Patents assigned to FUJI PHOTO FILM CO LTD (13)· patent assignee history

1992–2006Based in Kanagawa, JP· patent location history

1994–2004Patents assigned to NSK LTD (14)· patent assignee history

2007–2010Based in Shiga, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	16	1987–2008
NSK LTD	14	1994–2004
FUJI PHOTO FILM CO LTD	13	1992–2006
MURATA MANUFACTURING CO	7	1987–2007
NIPPON SEIKO KK	7	1985–1992

Locations

Location	Patents	Span
Tokyo, JP	19	1987–2020
Kanagawa, JP	19	1992–2006
Yamato, JP	10	1987–2004
Yokohama, JP	6	1989–1994
Shiga, JP	5	2007–2010