Inventor · disambiguated record
Norio Ohkuma
Also filed as: OHKUMA NORIO · VEITH MICHAEL
49 granted patents·2 pending applications·1,624 citations·filing 1987–2016
99Inventor score
Files withCANON KK44BECKER-WILLINGER CARSTEN2HINO ETSUKO1LEIBNIZ INST NEUE MATERIALIEN1OHKUMA NORIO1
Top patents by PatentIndex Score
51 records- 0199US5478606AMethod of manufacturing ink jet recording headCANON KK·Filed 1995·Granted Dec 26, 1995·269 cites·46 claims
- 0297US6139761AManufacturing method of ink jet headCANON KK·Filed 1996·Granted Oct 31, 2000·161 cites·18 claims
- 0396US6455112B1Method of manufacturing ink jet recording head and ink jet recording head manufactured by the methodCANON KK·Filed 2000·Granted Sep 24, 2002·73 cites·5 claims
- 0495US6488364B1Recording method and apparatus for controlling ejection bubble formationCANON KK·Filed 2000·Granted Dec 3, 2002·54 cites·31 claims
- 0594US8124791B2Active energy ray curable liquid composition and liquid cartridgeSHINJO KENJI·Filed 2008·Granted Feb 28, 2012·26 cites·2 claims
- 0694US6155673ARecording method and apparatus for controlling ejection bubble formationCANON KK·Filed 1993·Granted Dec 5, 2000·86 cites·19 claims
- 0793US7282243B2Pattern forming method and method of manufacturing ink jet recording headCANON KK·Filed 2005·Granted Oct 16, 2007·17 cites·11 claims
- 0893US5458254AMethod for manufacturing liquid jet recording headCANON KK·Filed 1994·Granted Oct 17, 1995·80 cites·12 claims
- 0992US5331344AMethod for producing liquid-discharging recording head, liquid-discharging recording head produced by said method, and recording apparatus utilizing said recording headCANON KK·Filed 1991·Granted Jul 19, 1994·85 cites·49 claims
- 1091US4952478ATransfer recording medium comprising a layer changing its transferability when provided with light and heatCANON KK·Filed 1987·Granted Aug 28, 1990·77 cites·11 claims
- 1188US6390606B1Ink-jet head, ink-jet head substrate, and a method for making the headCANON KK·Filed 1999·Granted May 21, 2002·57 cites·19 claims
- 1288US6305080B1Method of manufacture of ink jet recording head with an elastic member in the liquid chamber portion of the substrateCANON KK·Filed 1998·Granted Oct 23, 2001·59 cites·4 claims
- 1385US9815271B2Intermediate transfer member, image recording apparatus, and image recording methodCANON KK·Filed 2016·Granted Nov 14, 2017·2 cites·20 claims
- 1485US5917514ASealing member for ink cartridgeCANON KK·Filed 1997·Granted Jun 29, 1999·50 cites·12 claims
- 1584US5730889AInk jet recording head, fabrication method thereof, and printer with ink jet recording headCANON KK·Filed 1997·Granted Mar 24, 1998·46 cites·27 claims
- 1682US7641306B2Wiper blade member for ink jet recording head, ink jet recording apparatus having wiper blade and ink jet recording methodCANON KK·Filed 2005·Granted Jan 5, 2010·6 cites·3 claims
- 1782US5945260AMethod for manufacturing liquid jet recording headCANON KK·Filed 1996·Granted Aug 31, 1999·39 cites·3 claims
- 1880US6107209AThrough hole formation method and a substrate provided with a through holeCANON KK·Filed 1998·Granted Aug 22, 2000·41 cites·4 claims
- 1979US6145965AMethod for manufacturing an ink jet head, and an ink jet headCANON KK·Filed 1996·Granted Nov 14, 2000·39 cites·14 claims
- 2078US7985477B2Liquid-repellent, alkali-resistant coating composition and coating suitable for pattern formingLEIBNIZ INST NEUE MATERIALIEN·Filed 2005·Granted Jul 26, 2011·10 cites·23 claims
- 2178US6461798B1Process for the production of an ink jet headCANON KK·Filed 1996·Granted Oct 8, 2002·39 cites·25 claims
- 2276US8251491B2Ink jet head and its manufacture methodOHKUMA NORIO·Filed 2010·Granted Aug 28, 2012·3 cites·10 claims
- 2374US6076919AJet recording methodCANON KK·Filed 1995·Granted Jun 20, 2000·32 cites·27 claims
- 2472US5940104AInk jet head having sealing member with openingCANON KK·Filed 1992·Granted Aug 17, 1999·28 cites·3 claims
- 2571US5786832AInk-jet recording headCANON KK·Filed 1994·Granted Jul 28, 1998·27 cites·4 claims
- 2670US7658469B2Ink jet head and its manufacture methodCANON KK·Filed 2003·Granted Feb 9, 2010·11 cites·12 claims
- 2770US5776634APhotosensitive recording medium and method of preparing volume type phase hologram member using sameCANON KK·Filed 1994·Granted Jul 7, 1998·20 cites·10 claims
- 2867US7789490B2Liquid discharge head and method of manufacturing the sameCANON KK·Filed 2007·Granted Sep 7, 2010·2 cites·7 claims
- 2967US7758158B2Ink jet head and its manufacture methodCANON KK·Filed 2003·Granted Jul 20, 2010·9 cites·17 claims
- 3066US7810904B2Ink jet recording head, producing method therefor and composition for ink jet recording headCANON KK·Filed 2006·Granted Oct 12, 2010·2 cites·6 claims
- 3165US8680179B2Composite composition for micropatterned layersBECKER-WILLINGER CARSTEN·Filed 2007·Granted Mar 25, 2014·2 cites·17 claims
- 3263US6113222AInk jet recording head and a method for manufacturing such ink jet recording headCANON KK·Filed 1998·Granted Sep 5, 2000·19 cites·2 claims
- 3363US4973542ATransfer recording mediumCANON KK·Filed 1987·Granted Nov 27, 1990·10 cites·7 claims
- 3462US7055938B1Liquid jet recording head and process for production thereofCANON KK·Filed 1996·Granted Jun 6, 2006·20 cites·14 claims
- 3561US6766579B2Method for manufacturing an ink jet headCANON KK·Filed 2003·Granted Jul 27, 2004·16 cites·7 claims
- 3658US5924197AMethod for manufacturing an ink jet printing headCANON KK·Filed 1996·Granted Jul 20, 1999·16 cites·12 claims
- 3755US6986982B2Resist material and method of manufacturing inkjet recording head using the sameCANON KK·Filed 2003·Granted Jan 17, 2006·4 cites·6 claims
- 3854US7008552B2Method for making through-hole and ink-jet printer head fabricated using the methodCANON KK·Filed 2003·Granted Mar 7, 2006·5 cites·7 claims
- 3953US6460970B1Method of manufacturing nozzle plate for ink jet recording head, ink jet recording head comprising such nozzle plate, and ink jet recording apparatus comprising such headCANON KK·Filed 1996·Granted Oct 8, 2002·13 cites·7 claims
- 4053US4992351ARecording medium having a specified photopolymerization initiatorCANON KK·Filed 1989·Granted Feb 12, 1991·10 cites·10 claims
- 4152US5034301ARecording mediumCANON KK·Filed 1989·Granted Jul 23, 1991·6 cites·6 claims
- 4251US8012364B2Ink jet recording head, producing method therefor and composition for ink jet recording headCANON KK·Filed 2010·Granted Sep 6, 2011·0 cites·5 claims
- 4351US6379571B1Etching method for processing substrate, dry etching method for polyetheramide resin layer, production method of ink-jet printing head, ink-jet head and ink-jet printing apparatusCANON KK·Filed 1999·Granted Apr 30, 2002·11 cites·31 claims
- 4450US8087748B2Ink jet recording head, producing method therefor and composition for ink jet recording headHINO ETSUKO·Filed 2011·Granted Jan 3, 2012·0 cites·3 claims
- 4550US4977058ARecording medium comprising a recording layer changing its transferability when provided with light and heatCANON KK·Filed 1987·Granted Dec 11, 1990·12 cites·8 claims
- 4648US2010107412A1Ink-jet head and its manufacture methodCANON KK·Filed 2010·Application pending·0 cites
- 4747US5869210APhotosensitive recording medium and method of preparing volume type phase hologram member using sameCANON KK·Filed 1997·Granted Feb 9, 1999·12 cites·6 claims
- 4845US2006153993A1Liquid-repellent coating composition and coating having high alkali resistanceSCHMIDT HELMUT·Filed 2005·Application pending·0 cites
- 4944US4948694ARecording medium comprising photopolymersCANON KK·Filed 1989·Granted Aug 14, 1990·11 cites·11 claims
- 5041US5573885AImage forming method and recording mediumCANON KK·Filed 1994·Granted Nov 12, 1996·7 cites·12 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →