Inventor

Masahiko Ogawa

Inventor

Tokyo, JP

Overview

1981–2019

Patent span

Chemistry

Primary field (CPC C)

Patents· 106 as inventor

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

B41Jprimary

B41JTypewriters15%

Y10TTechnical subjects covered by former us classification8%

A61KPreparations for medical, dental or toiletry purposes6%

A61QSpecific use of cosmetics or similar toiletry preparations6%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%

C08LCompositions of macromolecular compounds6%

C09DCoating compositions, e.g. paints, varnishes or lacquers5%

G02BOptical elements, systems or apparatus5%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%

G11BInformation storage based on relative movement between record carrier and transducer3%

PatentTitleYear

10,481,509Vibration damping apparatus, lithography apparatus, and method of manufacturing article2019 9,212,403'Topcoat'2015 8,529,638'Head hair dyeing composition'2013 8,394,151'Head hair dyeing method'2013 8,277,784'Hair cosmetic product'2012 8,246,936'Hair cosmetic product'2012 8,158,112'Hair cosmetic product'2012 8,152,858'Head hair dyeing method'2012 8,153,108'Hair cosmetic product'2012 8,025,702'Two-part hairdye composition'2011 7,964,062'Paper treating agent comprising a silicone composition'2011 7,955,400'Two-part hair dye composition'2011 7,740,333'Printhead, head cartridge, and printing apparatus using restriction circuit for restricting input of signals'2010 7,600,839'Recording apparatus which can prevent block switching noises'2009 7,503,632'Head substrate having data memory, printing head, printing apparatus and producing method therefor'2009 7,459,213'Silicone composition and a paper treatment agent comprising the same'2008 7,398,135'Method for simulating conveyance of medium'2008 7,246,878'Method of generating ejection pattern data, and head motion pattern data; apparatus for generating ejection pattern data; apparatus for ejecting functional liquid droplet; drawing system; method of manufacturing organic EL device, electron emitting device, PDP device, electrophoresis display device, color filter, and organic EL; and method of forming spacer, metal wiring, lens, resist, and light diffuser'2007 7,128,977'Silicone coating composition and release sheet'2006 7,044,986'Hair dye compositions'2006 7,029,081'Head substrate having data memory, printing head, printing apparatus and producing method therefor'2006 7,029,754'Scratchable hiding layer-forming silicone composition'2006 7,016,126'Optical element holding system in projection optical system'2006 6,948,789'Head substrate having data memory, printing head, printing apparatus and producing method therefor'2005 6,905,796'Lithium secondary battery'2005 6,871,943'HEAD UNIT AND METHOD OF SETTING THE SAME; DRAWING SYSTEM; METHODS OF MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE, ORGANIC EL DEVICE, ELECTRON EMITTING DEVICE, PDP DEVICE, ELECTROPHORESIS DISPLAY DEVICE, COLOR FILTER, AND ORGANIC EL; AND METHODS OF FORMING SPACER, METAL WIRING, LENS, RESIST, AND LIGHT DIFFUSER'2005 6,863,370'METHOD OF GENERATING EJECTION PATTERN DATA, AND HEAD MOTION PATTERN DATA; APPARATUS FOR GENERATING EJECTION PATTERN DATA; APPARATUS FOR EJECTING FUNCTIONAL LIQUID DROPLET; DRAWING SYSTEM; METHOD OF MANUFACTURING ORGANIC EL DEVICE, ELECTRON EMITTING DEVICE, PDP DEVICE, ELECTROPHORESIS DISPLAY DEVICE, COLOR FILTER, AND ORGANIC EL; AND METHOD OF FORMING SPACER, METAL WIRING, LENS, RESIST, AND LIGHT DIFFUSER'2005 6,863,834'Method for manufacturing liquid ejecting head'2005 6,834,943'Liquid discharge head, a substrate for use of such head and a method of manufacture therefor'2004 6,794,444'Silicone emulsion composition adherent to plastic film substrates and release film'2004 6,769,762'Ink jet head substrate, an ink jet head, an ink jet apparatus, and a method for manufacturing an ink jet recording head'2004 6,756,127'Primer composition for silicone pressure-sensitive adhesives'2004 6,696,161'Silicone composition and release film'2004 6,673,457'Radiation-curable organopolysiloxane composition'2004 6,663,228'Ink-jet head base board, ink-jet head, and ink-jet apparatus'2003 6,605,388'Battery cell electrode core plate, fabrication method therefor, and battery cell made therewith'2003 6,588,887'Liquid discharge head and method for liquid discharge head'2003 6,579,649'Polymer electrolyte battery'2003 6,573,355'Method for preparation of organopolysilixame having branched molecular structure'2003 6,559,246'Primer composition for silicone pressure-sensitive adhesives'2003 6,540,336'Liquid discharge head, method for manufacturing such head, head cartridge and liquid discharging apparatus'2003 6,532,027'Ink jet recording head, substrate for this head, manufacturing method of this substrate and ink jet recording apparatus'2003 6,527,813'Ink jet head substrate, an ink jet head, an ink jet apparatus, and a method for manufacturing an ink jet recording head'2003 6,491,380'Liquid discharging head with common ink chamber positioned over a movable member'2002 6,485,132'Liquid discharge head, recording apparatus, and method for manufacturing liquid discharge heads'2002 6,485,131'Ink-jet head base board, ink-jet head, and ink-jet apparatus'2002 6,474,789'Recording apparatus, recording head and substrate therefor'2002 6,460,978'Liquid discharge head having narrowed portion of liquid flow path between liquid chamber and movable member, method of manufacture therefor, and liquid discharge apparatus having such head'2002 6,439,700'Liquid discharge head, liquid discharge method, head cartridge and liquid discharge device'2002 6,390,589'Head substrate, ink jet head, and ink jet printer'2002 6,374,482'Method of manufacturing a liquid discharge head'2002 6,357,862'Substrate for ink jet recording head, ink jet recording head and method of manufacture therefor'2002 6,331,259'Method for manufacturing ink jet recording heads'2001 6,301,431'Reproducing apparatus'2001 6,293,655'Liquid ejecting head, head cartridge and liquid ejecting apparatus'2001 6,290,334'Recording apparatus, recording head and substrate therefor'2001 6,277,294'Method of producing ink jet head valve, method of producing ink jet head and ink jet head produced by the method'2001 6,224,184'Printhead compatible with various printers and ink-jet printer using the printhead'2001 6,202,271'Method and apparatus for manufacturing expanded mesh sheet and battery using this expanded mesh sheet'2001 6,196,667'Liquid discharging head, method of manufacturing the liquid discharging head, head cartridge carrying the liquid discharging head thereon and liquid discharging apparatus'2001 6,165,645'Polymer electrolyte and lithium polymer battery using the same'2000 6,113,724'Lamination molding method and an apparatus thereof'2000 6,095,640'Liquid discharge head, liquid discharge method, head cartridge and liquid discharge device'2000 6,071,504'Hair treatment composition comprising alkalizing agent'2000 5,994,570'Platinum complex catalyst'1999 5,978,595'Method for supporting user operation'1999 5,959,034'Curable silicone composition'1999 5,956,460'Reproducing apparatus'1999 5,917,991'Video recording camera'1999 5,802,247'Video recording camera'1998 5,790,140'Printing head, and printer and printing method using the printing head'1998 5,715,357'Reproducing apparatus'1998 5,691,434'Curable organopolysiloxane composition'1997 5,500,148'Silicone emulsion composition for surface release treatment'1996 5,474,857'Solid polymer type fuel cell and method for manufacturing the same'1995 5,445,867'Thermal transfer recording sheets and back coating compositions therefor'1995 5,410,956'Vacuum hot platen press with airtight covers in sliding contact with tensile strength members'1995 5,378,244'2-alkoxy-3,5-diaminopyridine derivatives and their salts, and dye compositions for keratinous fibers containing the derivatives or salts'1995 5,372,890'Organopolysiloxane composition for the production of release paper'1994 5,334,225'Keratinous fiber dye composition containing a 2-substituted amino-5-alkylphenol derivative coupler'1994 5,302,326'Manufacturing method of urethane foam molded products'1994 5,130,962'Tracking control arrangement for information signal reproducing apparatus'1992 5,100,990'Organopolysiloxane compositions and cured products thereof'1992 5,095,085'Releasing silicone composition and cured matter thereof'1992 5,082,915'Solventless silicone compositions for release paper'1992 5,082,467'Dye composition for keratinous fibers'1992 4,999,721'Recording and/or reproducing apparatus'1991 4,983,701'Silicone composition for rendering surfaces non-adherent'1991 4,963,221'Hot press including cam rod penetrating top platen'1990 4,849,491'Curable organopolysiloxane composition'1989 4,764,576'Silicone-based coating composition for surface-releasing film'1988 4,740,846'Information signal recording apparatus'1988 4,717,975'Erasing device'1988 4,695,778'Rotation phase control device'1987 4,659,852'4-chloromethylphenyl methyl dichlorosilane'1987 4,636,053'Distance detecting device'1987 4,567,409'Control circuit for motor'1986 4,529,304'Zone sensing apparatus'1985 4,494,848'Distance measuring device'1985 4,455,070'Compensating circuit for an infrared-ray signal detection device in an auto focus camera'1984 4,429,967'Distance measuring system'1984 4,425,031'Automatic focus adjusting apparatus for camera'1984 4,350,418'Camera provided with automatic focus adjusting device'1982 4,315,159'Optical sensor device with reduction of ambient light effects'1982 4,291,223'Distance detecting device'1981 4,274,735'Distance measuring device'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2019Patents assigned to CANON KK (54)· patent assignee history

1981–2010Based in Hino, JP· patent location history

1984–2013Based in Tokyo, JP· patent location history

1987–2011Patents assigned to SHINETSU CHEMICAL CO (24)· patent assignee history

1987–2008Based in Gunma, JP· patent location history

1992–2013Patents assigned to KAO CORP (14)· patent assignee history

1992–2011Based in Takasaki, JP· patent location history

2001–2005Based in Takarazuka, JP· patent location history

2012–2015Patents assigned to OGAWA MASAHIKO (7)· patent assignee history

2012–2013Patents assigned to FUJINUMA HIROYUKI (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	54	1981–2019
SHINETSU CHEMICAL CO	24	1987–2011
KAO CORP	14	1992–2013
OGAWA MASAHIKOself	7	2012–2015
FUJINUMA HIROYUKI	6	2012–2013

Locations

Location	Patents	Span
Tokyo, JP	36	1984–2013
Hino, JP	28	1981–2010
Gunma, JP	14	1987–2008
Takasaki, JP	5	1992–2011
Takarazuka, JP	4	2001–2005