Inventor · disambiguated record
Hiroshi Tokunaga
Also filed as: TATEHANA YOSHIKAZU · TOKUNAGA HIROSHI
62 granted patents·4 pending applications·1,302 citations·filing 1976–2008
99Inventor score
Files withSONY CORP29KONISHIROKU PHOTO IND18FUJITSU LTD7MITSUI MINING & SMELTING CO2TOKYO JUKI INDUSTRIAL CO LTD2
Top patents by PatentIndex Score
66 records- 0196US7019231B2Inertial sensorFUJITSU LTD·Filed 2005·Granted Mar 28, 2006·47 cites·17 claims
- 0294US7320253B2Stress detection method for sensor device with multiple axis sensor and sensor device employing this methodFUJITSU MEDIA DEVICES LTD·Filed 2005·Granted Jan 22, 2008·33 cites·11 claims
- 0392US5195179ACoordinate input apparatusHITACHI LTD·Filed 1990·Granted Mar 16, 1993·192 cites·34 claims
- 0491US6637856B2Inkjet head and inkjet printerSONY CORP·Filed 2002·Granted Oct 28, 2003·40 cites·14 claims
- 0590US6095630AInk-jet printer and drive method of recording head for ink-jet printerSONY CORP·Filed 1998·Granted Aug 1, 2000·76 cites·27 claims
- 0688US6109740AMethod and apparatus for supplying ink to a printerSONY CORP·Filed 1997·Granted Aug 29, 2000·66 cites·4 claims
- 0787US6871941B2Print head, manufacturing method therefor, and printerSONY CORP·Filed 2003·Granted Mar 29, 2005·23 cites·4 claims
- 0887US4674860AImage transfer deviceKONISHIROKU PHOTO IND·Filed 1985·Granted Jun 23, 1987·35 cites·18 claims
- 0986US7373305B2Accounting apparatus, accounting method, and computer-readable program storage medium for storing program having accounting functionSONY CORP·Filed 2006·Granted May 13, 2008·7 cites·6 claims
- 1086US7069789B2Inertial sensorFUJITSU LTD·Filed 2005·Granted Jul 4, 2006·15 cites·6 claims
- 1185US4974030ACleaning device for electrostatic recording apparatusKONISHIROKU PHOTO IND·Filed 1990·Granted Nov 27, 1990·33 cites·15 claims
- 1284US7594319B2Electronic-component alignment methodSONY CORP·Filed 2006·Granted Sep 29, 2009·10 cites·5 claims
- 1384US6631963B1Method of driving print head in ink jet printer and ink jet printerSONY CORP·Filed 2000·Granted Oct 14, 2003·26 cites·14 claims
- 1483US6817699B2PrinterSONY CORP·Filed 2002·Granted Nov 16, 2004·24 cites·10 claims
- 1583US4610210ASewing machineTOKYO JUKI INDUSTRIAL CO LTD·Filed 1985·Granted Sep 9, 1986·15 cites·11 claims
- 1682US6431691B1Piezoelectric actuatorSONY CORP·Filed 1999·Granted Aug 13, 2002·37 cites·9 claims
- 1782US6283568B1Ink-jet printer and apparatus and method of recording head for ink-jet printerSONY CORP·Filed 1998·Granted Sep 4, 2001·46 cites·18 claims
- 1882US5251248ATelephone network having personal numbers for position-independentNIPPON TELEGRAPH & TELEPHONE·Filed 1990·Granted Oct 5, 1993·146 cites·15 claims
- 1981US7715064B2Image reading apparatusGRAPHTEC KK·Filed 2005·Granted May 11, 2010·7 cites·14 claims
- 2081US7472611B2Stress detection method for force sensor device with multiple axis sensor and force sensor device employing this methodFUJITSU LTD·Filed 2007·Granted Jan 6, 2009·9 cites·5 claims
- 2181US6663223B2Print head, manufacturing method therefor and printerSONY CORP·Filed 2001·Granted Dec 16, 2003·16 cites·24 claims
- 2281US4600685APatterning process using ladder-type organosiloxane resin and process for production of electronic devices utilizing said patterning processFUJITSU LTD·Filed 1985·Granted Jul 15, 1986·60 cites·15 claims
- 2380US4692871AInput device for sewing machineTOKYO JUKI INDUSTRIAL CO LTD·Filed 1985·Granted Sep 8, 1987·13 cites·3 claims
- 2479US5357354AColor image processing apparatus capable of discriminating between a monochromatic document and a color documentKONISHIROKU PHOTO IND·Filed 1993·Granted Oct 18, 1994·49 cites·10 claims
- 2579US4439462AMethod for transferring and fixing a toner imageKONISHIROKU PHOTO IND·Filed 1982·Granted Mar 27, 1984·20 cites·4 claims
- 2678US7216111B2Accounting apparatus, accounting method, and computer-readable program storage medium for storing program having accounting functionSONY CORP·Filed 2001·Granted May 8, 2007·11 cites·8 claims
- 2774US7251883B2Electronic-component alignment method and apparatus thereforSONY CORP·Filed 2003·Granted Aug 7, 2007·17 cites·11 claims
- 2869US6938980B2Image forming apparatus and its control methodSONY CORP·Filed 2003·Granted Sep 6, 2005·12 cites·35 claims
- 2969US4426654AIon modulating electrodeKONISHIROKU PHOTO IND·Filed 1981·Granted Jan 17, 1984·14 cites·6 claims
- 3068US7997679B2Image forming apparatus and controlling method thereforSONY CORP·Filed 2008·Granted Aug 16, 2011·2 cites·10 claims
- 3167US4562447AIon modulating electrodeKONISHIROKU PHOTO IND·Filed 1984·Granted Dec 31, 1985·13 cites·4 claims
- 3265US6672714B2Ink-jet printheadSONY CORP·Filed 2002·Granted Jan 6, 2004·7 cites·9 claims
- 3365US6494554B1Apparatus and method for driving recording head for ink-jet printerSONY CORP·Filed 1998·Granted Dec 17, 2002·23 cites·21 claims
- 3464US7474435B2Connection apparatus, connecting method, and storage medium for storing computer-readable program having connecting functionsSONY CORP·Filed 2007·Granted Jan 6, 2009·2 cites·3 claims
- 3563US4435066AIon modulating electrode with improved transmission factorKONISHIROKU PHOTO IND·Filed 1982·Granted Mar 6, 1984·14 cites·4 claims
- 3662US4435723ARecording apparatus with editing capabilityKONISHIROKU PHOTO IND·Filed 1981·Granted Mar 6, 1984·14 cites·6 claims
- 3760US6932464B2Piezoelectric actuator and its manufacturing method and ink-jet printheadSONY CORP·Filed 2003·Granted Aug 23, 2005·5 cites·2 claims
- 3857US4270136AMIS Device having a metal and insulating layer containing at least one cation-trapping elementFUJITSU LTD·Filed 1979·Granted May 26, 1981·8 cites·6 claims
- 3956US4495508AElectrostatic reproducing apparatusKONISHIROKU PHOTO IND·Filed 1981·Granted Jan 22, 1985·11 cites·3 claims
- 4054US4933721AImage forming apparatus with preconditioning exposure selectively forming a multi-color and mono-color imageKONISHIROKU PHOTO IND·Filed 1988·Granted Jun 12, 1990·11 cites·9 claims
- 4154US4425035AImage reproducing apparatusKONISHIROKU PHOTO IND·Filed 1981·Granted Jan 10, 1984·8 cites·8 claims
- 4253US7100254B2Method of manufacturing an ink-jet printheadSONY CORP·Filed 2002·Granted Sep 5, 2006·3 cites·6 claims
- 4352US6794208B2Manufacturing method for print headSONY CORP·Filed 2001·Granted Sep 21, 2004·5 cites·19 claims
- 4451US5689786AImage forming apparatus having endless belt photosensitive member in which the solidified developer becomes moltenSONY CORP·Filed 1994·Granted Nov 18, 1997·9 cites·19 claims
- 4548US7156485B2Liquid discharge head, cleaning method thereof, and liquid discharge apparatusSONY CORP·Filed 2003·Granted Jan 2, 2007·3 cites·17 claims
- 4648US7150514B2Print head, manufacturing method therefor, and printerSONY CORP·Filed 2004·Granted Dec 19, 2006·2 cites·9 claims
- 4747US2005151793A1Print head, manufacturing method therefor, and printerFiled 2005·Application pending·0 cites
- 4846US5220416AColor image processing apparatusKONISHIROKU PHOTO IND·Filed 1990·Granted Jun 15, 1993·10 cites·8 claims
- 4944US7324227B2Connection apparatus for connecting a source over a network to a predetermined destination, connecting method, and storage medium for storing computer-readable program having connecting functionsSONY CORP·Filed 2001·Granted Jan 29, 2008·0 cites·6 claims
- 5042US4467333ACopying apparatusKONISHIROKU PHOTO IND·Filed 1981·Granted Aug 21, 1984·6 cites·5 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →