Inventor · disambiguated record
Masahiko Ogawa
Also filed as: OGAWA MASAHIKO
108 granted patents·13 pending applications·2,028 citations·filing 1979–2023
99Inventor score
Files withCANON KK55SHINETSU CHEMICAL CO24KAO CORP11FUJINUMA HIROYUKI7MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6
Top patents by PatentIndex Score
121 records- 0198US6290334B1Recording apparatus, recording head and substrate thereforCANON KK·Filed 1994·Granted Sep 18, 2001·181 cites·57 claims
- 0295US8025702B2Two-part hairdye compositionKAO CORP·Filed 2007·Granted Sep 27, 2011·22 cites·5 claims
- 0395US7955400B2Two-part hair dye compositionKAO CORP·Filed 2007·Granted Jun 7, 2011·27 cites·6 claims
- 0494US8158112B2Hair cosmetic productFUJINUMA HIROYUKI·Filed 2010·Granted Apr 17, 2012·9 cites·14 claims
- 0594US6474789B1Recording apparatus, recording head and substrate thereforCANON KK·Filed 2001·Granted Nov 5, 2002·46 cites·36 claims
- 0693US8152858B2Head hair dyeing methodFUJINUMA HIROYUKI·Filed 2010·Granted Apr 10, 2012·9 cites·4 claims
- 0793US7044986B2Hair dye compositionsKAO CORP·Filed 2003·Granted May 16, 2006·49 cites·12 claims
- 0893US6390589B1Head substrate, ink jet head, and ink jet printerCANON KK·Filed 1999·Granted May 21, 2002·90 cites·10 claims
- 0993US4350418ACamera provided with automatic focus adjusting deviceCANON KK·Filed 1979·Granted Sep 21, 1982·75 cites·66 claims
- 1093US4274735ADistance measuring deviceCANON KK·Filed 1979·Granted Jun 23, 1981·56 cites·16 claims
- 1191US4849491ACurable organopolysiloxane compositionSHINETSU CHEMICAL CO·Filed 1988·Granted Jul 18, 1989·48 cites·12 claims
- 1290US6769762B2Ink jet head substrate, an ink jet head, an ink jet apparatus, and a method for manufacturing an ink jet recording headCANON KK·Filed 2002·Granted Aug 3, 2004·30 cites·4 claims
- 1389US8277784B2Hair cosmetic productFUJINUMA HIROYUKI·Filed 2012·Granted Oct 2, 2012·4 cites·30 claims
- 1487US4315159AOptical sensor device with reduction of ambient light effectsCANON KK·Filed 1979·Granted Feb 9, 1982·63 cites·9 claims
- 1586US8153108B2Hair cosmetic productFUJINUMA HIROYUKI·Filed 2004·Granted Apr 10, 2012·11 cites·10 claims
- 1686US6293655B1Liquid ejecting head, head cartridge and liquid ejecting apparatusCANON KK·Filed 1998·Granted Sep 25, 2001·54 cites·30 claims
- 1784US7459213B2Silicone composition and a paper treatment agent comprising the sameSHINETSU CHEMICAL CO·Filed 2004·Granted Dec 2, 2008·16 cites·11 claims
- 1884US6485131B1Ink-jet head base board, ink-jet head, and ink-jet apparatusCANON KK·Filed 2000·Granted Nov 26, 2002·21 cites·27 claims
- 1984US6374482B1Method of manufacturing a liquid discharge headCANON KK·Filed 1998·Granted Apr 23, 2002·42 cites·4 claims
- 2083US11494906B2Object detection device, object detection method, and programOMRON TATEISI ELECTRONICS CO·Filed 2019·Granted Nov 8, 2022·4 cites·16 claims
- 2183US8394151B2Head hair dyeing methodFUJINUMA HIROYUKI·Filed 2011·Granted Mar 12, 2013·2 cites·23 claims
- 2283US6663228B2Ink-jet head base board, ink-jet head, and ink-jet apparatusCANON KK·Filed 2002·Granted Dec 16, 2003·20 cites·14 claims
- 2383US5474857ASolid polymer type fuel cell and method for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Dec 12, 1995·51 cites·21 claims
- 2482US11267990B2Method for manufacturing flexible packaging filmDAINIPPON INK & CHEMICALS·Filed 2017·Granted Mar 8, 2022·3 cites·16 claims
- 2582US8529638B2Head hair dyeing compositionKAO CORP·Filed 2013·Granted Sep 10, 2013·1 cites·18 claims
- 2682US8246936B2Hair cosmetic productFUJINUMA HIROYUKI·Filed 2011·Granted Aug 21, 2012·1 cites·10 claims
- 2781US7600839B2Recording apparatus which can prevent block switching noisesCANON KK·Filed 2006·Granted Oct 13, 2009·6 cites·6 claims
- 2881US6948789B2Head substrate having data memory, printing head, printing apparatus and producing method thereforCANON KK·Filed 2002·Granted Sep 27, 2005·16 cites·40 claims
- 2981US6605388B1Battery cell electrode core plate, fabrication method therefor, and battery cell made therewithMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Aug 12, 2003·22 cites·15 claims
- 3080US6834943B2Liquid discharge head, a substrate for use of such head and a method of manufacture thereforCANON KK·Filed 2002·Granted Dec 28, 2004·17 cites·11 claims
- 3180US6224184B1Printhead compatible with various printers and ink-jet printer using the printheadCANON KK·Filed 1997·Granted May 1, 2001·38 cites·39 claims
- 3279US7246878B2Method 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 diffuserSEIKO EPSON CORP·Filed 2005·Granted Jul 24, 2007·8 cites·19 claims
- 3379US6756127B2Primer composition for silicone pressure-sensitive adhesivesSHINETSU CHEMICAL CO·Filed 2002·Granted Jun 29, 2004·11 cites·17 claims
- 3479US6165645APolymer electrolyte and lithium polymer battery using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Dec 26, 2000·64 cites·6 claims
- 3579US6095640ALiquid discharge head, liquid discharge method, head cartridge and liquid discharge deviceCANON KK·Filed 1998·Granted Aug 1, 2000·32 cites·14 claims
- 3677US7964062B2Paper treating agent comprising a silicone compositionSHINETSU CHEMICAL CO·Filed 2005·Granted Jun 21, 2011·3 cites·5 claims
- 3777US6871943B2Head 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 diffuserSEIKO EPSON CORP·Filed 2002·Granted Mar 29, 2005·23 cites·35 claims
- 3876US6905796B2Lithium secondary batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jun 14, 2005·60 cites·6 claims
- 3976US6485132B1Liquid discharge head, recording apparatus, and method for manufacturing liquid discharge headsCANON KK·Filed 1998·Granted Nov 26, 2002·33 cites·24 claims
- 4076US4764576ASilicone-based coating composition for surface-releasing filmSHINETSU CHEMICAL CO·Filed 1987·Granted Aug 16, 1988·27 cites·8 claims
- 4175US6301431B1Reproducing apparatusCANON KK·Filed 1999·Granted Oct 9, 2001·20 cites·4 claims
- 4275US6113724ALamination molding method and an apparatus thereofMEIKI SEISAKUSHO KK·Filed 1998·Granted Sep 5, 2000·33 cites·13 claims
- 4375US6071504AHair treatment composition comprising alkalizing agentKAO CORP·Filed 1998·Granted Jun 6, 2000·46 cites·4 claims
- 4474US7740333B2Printhead, head cartridge, and printing apparatus using restriction circuit for restricting input of signalsCANON KK·Filed 2007·Granted Jun 22, 2010·3 cites·1 claims
- 4574US6331259B1Method for manufacturing ink jet recording headsCANON KK·Filed 1998·Granted Dec 18, 2001·30 cites·8 claims
- 4674US5790140APrinting head, and printer and printing method using the printing headCANON KK·Filed 1995·Granted Aug 4, 1998·32 cites·29 claims
- 4772US6696161B2Silicone composition and release filmSHINETSU CHEMICAL CO·Filed 2002·Granted Feb 24, 2004·10 cites·3 claims
- 4872US6559246B2Primer composition for silicone pressure-sensitive adhesivesSHINETSU CHEMICAL CO·Filed 2001·Granted May 6, 2003·7 cites·18 claims
- 4972US6527813B1Ink jet head substrate, an ink jet head, an ink jet apparatus, and a method for manufacturing an ink jet recording headCANON KK·Filed 1997·Granted Mar 4, 2003·23 cites·14 claims
- 5072US6357862B1Substrate for ink jet recording head, ink jet recording head and method of manufacture thereforCANON KK·Filed 1999·Granted Mar 19, 2002·28 cites·14 claims
Showing the top 50 of 121 patent records by PatentIndex Score.
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