Inventor · disambiguated record
Takafumi Hara
Also filed as: HARA TAKAFUMI
90 granted patents·46 pending applications·302 citations·filing 1983–2023
99Inventor score
Top patents by PatentIndex Score
136 records- 0195US4511906AInk liquid reservoir in an ink jet system printerSHARP KK·Filed 1983·Granted Apr 16, 1985·75 cites·6 claims
- 0293US9846203B2Storage battery state detection apparatus and storage battery state detection methodMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Dec 19, 2017·13 cites·6 claims
- 0391US12074542B2Motor control device, electromechanical integrated unit, and electric vehicle systemHITACHI ASTEMO LTD·Filed 2020·Granted Aug 27, 2024·2 cites·17 claims
- 0491US10693410B2Control method and control device for rotary electric motor, and rotary electric motor drive systemHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Jun 23, 2020·4 cites·10 claims
- 0587USRE44008ESurface light source device and liquid crystal display deviceSHARP KK·Filed 2009·Granted Feb 19, 2013·9 cites·16 claims
- 0686US11082640B2Infrared cameraMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Aug 3, 2021·4 cites·13 claims
- 0786US10411621B2Drive device for three-phase synchronous motorHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Sep 10, 2019·3 cites·18 claims
- 0885US9348249B2Image forming apparatus and image forming and decoloring systemTOSHIBA TEC KK·Filed 2014·Granted May 24, 2016·3 cites·15 claims
- 0985US8419202B2Display device and backlight deviceOGURA TAKESHI·Filed 2010·Granted Apr 16, 2013·8 cites·4 claims
- 1084US9291950B2Apparatus and method for forming an image with a non-decolorizable material and a decolorizable materialTOSHIBA TEC KK·Filed 2013·Granted Mar 22, 2016·2 cites·17 claims
- 1183US12074551B2Motor control device, electromechanical unit, electric vehicle system, and motor control methodHITACHI ASTEMO LTD·Filed 2021·Granted Aug 27, 2024·1 cites·13 claims
- 1283US11967915B2Motor control device, motor control method, hybrid system, boost converter system and electric power steering systemHITACHI ASTEMO LTD·Filed 2020·Granted Apr 23, 2024·1 cites·15 claims
- 1383US8226756B2Emulsion type inkjet inkAKIYAMA RYOZO·Filed 2009·Granted Jul 24, 2012·6 cites·19 claims
- 1483US7862874B2Welded resin materialMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Jan 4, 2011·7 cites·3 claims
- 1583US4631558AInk liquid baffle-regulated reservoir in an ink jet system printerSHARP KK·Filed 1983·Granted Dec 23, 1986·29 cites·16 claims
- 1681US9821590B2Color erasing apparatus, color erasing system and color erasing control methodTOSHIBA KK·Filed 2016·Granted Nov 21, 2017·2 cites·10 claims
- 1778US8940468B2Decolorable toner and process for production thereofAOKI TAKAYASU·Filed 2012·Granted Jan 27, 2015·2 cites·7 claims
- 1876US7178968B2Surface light source device and liquid crystal display deviceSHARP KK·Filed 2004·Granted Feb 20, 2007·15 cites·7 claims
- 1976US4658273AWall member for ink liquid reservoir mounted on a carriage in an ink jet system printerSHARP KK·Filed 1984·Granted Apr 14, 1987·23 cites·9 claims
- 2075US12162298B2Manufacturing method of printed materialTOSHIBA TEC KK·Filed 2023·Granted Dec 10, 2024·0 cites·22 claims
- 2174US9519236B2Reversibly allochroic toner, method of producing the same, toner cartridge, and image forming apparatusTOSHIBA TEC KK·Filed 2014·Granted Dec 13, 2016·1 cites·17 claims
- 2273US9261805B1Toner set for printing system and printing systemTOSHIBA TEC KK·Filed 2014·Granted Feb 16, 2016·1 cites·20 claims
- 2373US7927004B2Backlight unit, and a display device including the sameSHARP KK·Filed 2005·Granted Apr 19, 2011·4 cites·6 claims
- 2473US7219554B2Semiconductor pressure sensorMITSUBISHI ELECTRIC CORP·Filed 2005·Granted May 22, 2007·9 cites·6 claims
- 2572US8403461B2Aqueous inkjet inkHARA TAKAFUMI·Filed 2011·Granted Mar 26, 2013·2 cites·19 claims
- 2672US4571600ANozzle blockage preventing unit in an ink jet system printerSHARP KK·Filed 1983·Granted Feb 18, 1986·17 cites·3 claims
- 2771US9400194B2Magnetic detection device and on-vehicle rotation detection device equipped with the sameMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Jul 26, 2016·2 cites·6 claims
- 2871US9128394B2Electrophotographic toner and method for producing the sameTOSHIBA TEC KK·Filed 2012·Granted Sep 8, 2015·1 cites·5 claims
- 2970US10809646B2Toner cartridge and image forming apparatusTOSHIBA TEC KK·Filed 2019·Granted Oct 20, 2020·0 cites·20 claims
- 3070US10684568B2Reversibly allochroic toner, method of producing the same, toner cartridge, and image forming apparatusTOSHIBA TEC KK·Filed 2019·Granted Jun 16, 2020·0 cites·23 claims
- 3170US9766095B2Magnetic position detection device and magnetic position detection methodMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Sep 19, 2017·2 cites·12 claims
- 3270US8790857B2Toner and process for production thereofITOU TSUYOSHI·Filed 2012·Granted Jul 29, 2014·1 cites·11 claims
- 3370US8110062B2Welding method and welding apparatus for resin memberASADA SHINSUKE·Filed 2008·Granted Feb 7, 2012·2 cites·8 claims
- 3470US2022390872A1Method for producing capsule tonerTOSHIBA TEC KK·Filed 2022·Application pending·0 cites
- 3569US11555099B2Method for producing colorable materialTOSHIBA TEC KK·Filed 2021·Granted Jan 17, 2023·0 cites·15 claims
- 3668US11558000B2Motor control device and electric vehicle system using the sameHITACHI ASTEMO LTD·Filed 2019·Granted Jan 17, 2023·1 cites·16 claims
- 3768US11009808B2Toner cartridge and image forming apparatusTOSHIBA TEC KK·Filed 2020·Granted May 18, 2021·0 cites·13 claims
- 3868US10962894B2Decolorizable toner, toner cartridge, image forming apparatus, decolorizing system, decolorizing method, and decolorizing deviceTOSHIBA TEC KK·Filed 2020·Granted Mar 30, 2021·0 cites·3 claims
- 3968US10962895B2Decolorizable toner, toner cartridge, image forming apparatus, decolorizing system, decolorizing method, and decolorizing deviceTOSHIBA TEC KK·Filed 2020·Granted Mar 30, 2021·0 cites·4 claims
- 4068US8597755B2Resin welded body and manufacturing method thereofFUJIMOTO SEIZO·Filed 2007·Granted Dec 3, 2013·5 cites·3 claims
- 4167US2020117109A1Decolorizable toner, toner cartridge, image forming apparatus, decolorizing system, decolorizing method, and decolorizing deviceTOSHIBA TEC KK·Filed 2018·Application pending·0 cites
- 4266US12463576B2Inverter control device and inverter control methodHITACHI ASTEMO LTD·Filed 2022·Granted Nov 4, 2025·0 cites·7 claims
- 4365US11427726B2InksTOSHIBA TEC KK·Filed 2019·Granted Aug 30, 2022·0 cites·20 claims
- 4465US11215510B2Thermal infrared detector and manufacturing method for thermal infrared detectorMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Jan 4, 2022·1 cites·18 claims
- 4564US12491774B2Motor control device, electromechanical integrated unit, boost converter system, electric vehicle system, and motor control methodHITACHI ASTEMO LTD·Filed 2021·Granted Dec 9, 2025·0 cites·15 claims
- 4664US9757969B2Apparatus and method for forming an image with a non-decolorizable material and a decolorizable materialTOSHIBA TEC KK·Filed 2016·Granted Sep 12, 2017·0 cites·12 claims
- 4763US11984821B2Inverter control deviceHITACHI ASTEMO LTD·Filed 2020·Granted May 14, 2024·0 cites·10 claims
- 4863US2022050397A1Method for producing capsule tonerTOSHIBA TEC KK·Filed 2020·Application pending·0 cites
- 4962US9555657B2Color erasing apparatus, color erasing system and color erasing control methodTOSHIBA KK·Filed 2016·Granted Jan 31, 2017·0 cites·6 claims
- 5062US9539843B2Apparatus and method for forming an image with a non-decolorizable material and a decolorizable materialTOSHIBA TEC KK·Filed 2016·Granted Jan 10, 2017·0 cites·12 claims
Showing the top 50 of 136 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →