Inventor · disambiguated record
Junichi Ishikawa
Also filed as: ISHIKAWA JUNICHI
53 granted patents·13 pending applications·399 citations·filing 1988–2025
98Inventor score
Top patents by PatentIndex Score
66 records- 0198US7309873B2Raindrop sensorDENSO CORP·Filed 2005·Granted Dec 18, 2007·136 cites·11 claims
- 0288US11524735B2Work vehicleKUBOTA KK·Filed 2018·Granted Dec 13, 2022·8 cites·11 claims
- 0387US11235824B2Work vehicleKUBOTA KK·Filed 2018·Granted Feb 1, 2022·7 cites·7 claims
- 0484US11260922B2Work vehicleKUBOTA KK·Filed 2018·Granted Mar 1, 2022·6 cites·16 claims
- 0584US9575427B2Toner containing crystalline polyester resin and method of manufacturing the sameTOSHIBA KK·Filed 2015·Granted Feb 21, 2017·2 cites·16 claims
- 0682US7576658B2Wiper control device for vehicleDENSO CORP·Filed 2006·Granted Aug 18, 2009·14 cites·14 claims
- 0781US7579076B2Unit-piece printing sheet and process for producing the sameWASHI ISHIKAWA CO LTD·Filed 2002·Granted Aug 25, 2009·26 cites·6 claims
- 0879US5583987AMethod and apparatus for initializing a multiprocessor system while resetting defective CPU's detected during operation thereofMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Dec 10, 1996·91 cites·29 claims
- 0978US11498632B2Work vehicleKUBOTA KK·Filed 2019·Granted Nov 15, 2022·4 cites·17 claims
- 1077US11040589B2Work vehicleKUBOTA KK·Filed 2017·Granted Jun 22, 2021·4 cites·15 claims
- 1176US11767071B2Work vehicleKUBOTA KK·Filed 2018·Granted Sep 26, 2023·3 cites·12 claims
- 1276US9234983B2Rain sensorDENSO CORP·Filed 2013·Granted Jan 12, 2016·3 cites·17 claims
- 1375US12427824B2Work vehicleKUBOTA KK·Filed 2021·Granted Sep 30, 2025·1 cites·11 claims
- 1475US9811015B2Toner particle, electrophotographic toner, developing agent, toner cartridge and image forming apparatus, and manufacture method of toner particleTOSHIBA KK·Filed 2015·Granted Nov 7, 2017·1 cites·18 claims
- 1574US9639012B1Aromatic printed object and manufacture method for the sameTOSHIBA KK·Filed 2015·Granted May 2, 2017·1 cites·12 claims
- 1672US7468523B2Raindrop detection apparatus having lens unit larger than radius of reflected lightDENSO CORP·Filed 2005·Granted Dec 23, 2008·5 cites·13 claims
- 1770US9803158B2Aromatic printed object and manufacture method for the sameTOSHIBA KK·Filed 2016·Granted Oct 31, 2017·1 cites·13 claims
- 1870US7385216B2Sensor device and wiper controller having sensor deviceDENSO CORP·Filed 2005·Granted Jun 10, 2008·5 cites·11 claims
- 1970US7345135B2Crosslinkable aromatic resin having protonic acid group, and ion conductive polymer membrane, binder and fuel cell using the resinMITSUI CHEMICALS INC·Filed 2004·Granted Mar 18, 2008·9 cites·34 claims
- 2069US8748363B2Solvent composition for removing radioactive substance and removing material, and method for removing radioactive substanceMITSUI DU PONT FLUORCHEMICAL·Filed 2012·Granted Jun 10, 2014·1 cites·2 claims
- 2168US12397867B2Work machineKUBOTA KK·Filed 2024·Granted Aug 26, 2025·0 cites·18 claims
- 2268US7429745B2Sensor device for detecting wetting on a windshield based on received reference lightDENSO CORP·Filed 2006·Granted Sep 30, 2008·4 cites·19 claims
- 2367US9013284B2Vehicle presence notification apparatusNAKAYAMA TOSHIAKI·Filed 2012·Granted Apr 21, 2015·3 cites·5 claims
- 2466US7705338B2Raindrop detection apparatus with case and lenses integrally configured and circuit board supported by caseDENSO CORP·Filed 2008·Granted Apr 27, 2010·3 cites·5 claims
- 2566US6476258B1Process for producing aryloxyacetic acidsSUMITOMO CHEMICAL CO·Filed 2000·Granted Nov 5, 2002·4 cites·18 claims
- 2664US10527498B2Sensor deviceDENSO CORP·Filed 2016·Granted Jan 7, 2020·1 cites·13 claims
- 2764US7772793B2Raindrop detecting device and method of selecting wiping mode for vehicleDENSO CORP·Filed 2007·Granted Aug 10, 2010·3 cites·22 claims
- 2864US2025276732A1Work vehicleKUBOTA KK·Filed 2025·Application pending·0 cites
- 2963US10151992B2Toner particle, electrophotographic toner, developing agent, toner cartridge and image forming apparatus, and manufacture method of toner particleTOSHIBA KK·Filed 2017·Granted Dec 11, 2018·0 cites·20 claims
- 3063US10048607B2Toner having toner particles including a colorant and particles not including a colorantTOSHIBA KK·Filed 2017·Granted Aug 14, 2018·0 cites·20 claims
- 3163US6765631B2Vehicle windshield rain sensorDENSO CORP·Filed 2002·Granted Jul 20, 2004·8 cites·5 claims
- 3261US9964882B2Toner containing crystalline polyester resin and method of manufacturing the sameTOSHIBA KK·Filed 2017·Granted May 8, 2018·0 cites·20 claims
- 3360US7658101B2Raindrop detection deviceDENSO CORP·Filed 2007·Granted Feb 9, 2010·4 cites·11 claims
- 3460US6686992B2Raindrop detecting method and apparatus having temperature-dependent characteristic compensationDENSO CORP·Filed 2001·Granted Feb 3, 2004·7 cites·31 claims
- 3560US4983556AHigh strength porcelains for use in insulators and production thereofNGK INSULATORS LTD·Filed 1988·Granted Jan 8, 1991·17 cites·2 claims
- 3657US9785066B2Toner including microcapsules that contain a fragrant materialTOSHIBA KK·Filed 2016·Granted Oct 10, 2017·0 cites·20 claims
- 3756US7264121B2Article holderKAO CORP·Filed 2003·Granted Sep 4, 2007·5 cites·32 claims
- 3855US7828134B2Article alignment apparatusKAO CORP·Filed 2006·Granted Nov 9, 2010·2 cites·13 claims
- 3954US2016070190A1Toner having toner particles including a colorant and particles not including a colorantTOSHIBA KK·Filed 2015·Application pending·0 cites
- 4053US8426095B2TonerAOKI TAKAYASU·Filed 2010·Granted Apr 23, 2013·0 cites·12 claims
- 4153US6686603B2Raindrop detection apparatus and methodDENSO CORP·Filed 2002·Granted Feb 3, 2004·4 cites·13 claims
- 4251US10160722B2Method for producing perfluoroalkanesulfonyl phenol compoundsSUMITOMO CHEMICAL CO·Filed 2016·Granted Dec 25, 2018·0 cites·8 claims
- 4351US8741526B2DeveloperTESHIMA TAKASHI·Filed 2012·Granted Jun 3, 2014·0 cites·12 claims
- 4450US11780813B2Chlorobenzene compound production methodSUMITOMO CHEMICAL CO·Filed 2020·Granted Oct 10, 2023·0 cites·4 claims
- 4548US12065806B2Work vehicleKUBOTA KK·Filed 2019·Granted Aug 20, 2024·0 cites·17 claims
- 4648US11760724B2Pyridone compound production methodSUMITOMO CHEMICAL CO·Filed 2020·Granted Sep 19, 2023·0 cites·11 claims
- 4748US9528930B2Adhering matter determination deviceDENSO CORP·Filed 2014·Granted Dec 27, 2016·0 cites·10 claims
- 4846US10093617B1Method for producing 2-amino-4-substituted phenolSUMITOMO CHEMICAL CO·Filed 2016·Granted Oct 9, 2018·0 cites·8 claims
- 4944US11676439B2Face authentication system and face authentication methodPANASONIC I PRO SENSING SOLUTIONS CO LTD·Filed 2020·Granted Jun 13, 2023·0 cites·20 claims
- 5044US2020385361A1Method for producing 2-substituted-3-ethylsulfonylpyridine compound and likeSUMITOMO CHEMICAL CO·Filed 2018·Application pending·0 cites
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 →