Inventor
ISHIKAWA JUNICHI
JP54 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA JUNICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
13 patentsUS7309873B2Dec 18, 2007
Raindrop sensor
DENSO CORP136 citations98
US7576658B2Aug 18, 2009
Wiper control device for vehicle
DENSO CORP14 citations84
US9234983B2Jan 12, 2016
Rain sensor
DENSO CORP3 citations73
US6765631B2Jul 20, 2004
Vehicle windshield rain sensor
DENSO CORP8 citations73
US6686992B2Feb 3, 2004
Raindrop detecting method and apparatus having temperature-dependent characteristic compensation
DENSO CORP7 citations72
US7772793B2Aug 10, 2010
Raindrop detecting device and method of selecting wiping mode for vehicle
DENSO CORP3 citations63
US7705338B2Apr 27, 2010
Raindrop detection apparatus with case and lenses integrally configured and circuit board supported by case
DENSO CORP3 citations63
US7468523B2Dec 23, 2008
Raindrop detection apparatus having lens unit larger than radius of reflected light
DENSO CORP5 citations63
US6686603B2Feb 3, 2004
Raindrop detection apparatus and method
DENSO CORP4 citations63
US7429745B2Sep 30, 2008
Sensor device for detecting wetting on a windshield based on received reference light
DENSO CORP4 citations60
US7385216B2Jun 10, 2008
Sensor device and wiper controller having sensor device
DENSO CORP5 citations60
US10527498B2Jan 7, 2020
Sensor device
DENSO CORP1 citations57
US7658101B2Feb 9, 2010
Raindrop detection device
DENSO CORP4 citations54
KUBOTA KK
11 patentsUS11524735B2Dec 13, 2022
Work vehicle
KUBOTA KK8 citations85
US11235824B2Feb 1, 2022
Work vehicle
KUBOTA KK7 citations85
US11260922B2Mar 1, 2022
Work vehicle
KUBOTA KK6 citations74
US11767071B2Sep 26, 2023
Work vehicle
KUBOTA KK3 citations72
US11498632B2Nov 15, 2022
Work vehicle
KUBOTA KK4 citations72
US11040589B2Jun 22, 2021
Work vehicle
KUBOTA KK4 citations72
US12427824B2Sep 30, 2025
Work vehicle
KUBOTA KK1 citations59
US12397867B2Aug 26, 2025
Work machine
KUBOTA KK0 citations50
US12065806B2Aug 20, 2024
Work vehicle
KUBOTA KK0 citations49
US12527257B2Jan 20, 2026
Agricultural robot
KUBOTA KK0 citations46
US11926184B2Mar 12, 2024
Riding work vehicle
KUBOTA KK0 citations45
TOSHIBA KK
7 patentsUS9575427B2Feb 21, 2017
Toner containing crystalline polyester resin and method of manufacturing the same
TOSHIBA KK2 citations72
US10151992B2Dec 11, 2018
Toner particle, electrophotographic toner, developing agent, toner cartridge and image forming apparatus, and manufacture method of toner particle
TOSHIBA KK0 citations51
US9964882B2May 8, 2018
Toner containing crystalline polyester resin and method of manufacturing the same
TOSHIBA KK0 citations51
US9811015B2Nov 7, 2017
Toner particle, electrophotographic toner, developing agent, toner cartridge and image forming apparatus, and manufacture method of toner particle
TOSHIBA KK1 citations51
US9803158B2Oct 31, 2017
Aromatic printed object and manufacture method for the same
TOSHIBA KK1 citations51
US9785066B2Oct 10, 2017
Toner including microcapsules that contain a fragrant material
TOSHIBA KK0 citations51
US9639012B1May 2, 2017
Aromatic printed object and manufacture method for the same
TOSHIBA KK1 citations51
SUMITOMO CHEMICAL CO
5 patentsUS6476258B1Nov 5, 2002
Process for producing aryloxyacetic acids
SUMITOMO CHEMICAL CO4 citations62
US11780813B2Oct 10, 2023
Chlorobenzene compound production method
SUMITOMO CHEMICAL CO0 citations57
US10160722B2Dec 25, 2018
Method for producing perfluoroalkanesulfonyl phenol compounds
SUMITOMO CHEMICAL CO0 citations49
US11760724B2Sep 19, 2023
Pyridone compound production method
SUMITOMO CHEMICAL CO0 citations47
US10093617B1Oct 9, 2018
Method for producing 2-amino-4-substituted phenol
SUMITOMO CHEMICAL CO0 citations46
KAO CORP
2 patentsFUJITSU LTD
2 patentsMITSUBISHI ELECTRIC CORP
1 patentWASHI ISHIKAWA CO LTD
1 patentMITSUI CHEMICALS INC
1 patentNGK INSULATORS LTD
1 patentNAKAYAMA TOSHIAKI
1 patentFUJITSU LIMITED & FUJITSU VLSI
1 patentAOKI TAKAYASU
1 patentTESHIMA TAKASHI
1 patentMITSUI DU PONT FLUORCHEMICAL
1 patentPANASONIC I PRO SENSING SOLUTIONS CO LTD
1 patentShowing the top 50 of 54 patents by PatentIndex Score.