Inventor
NAKAGAWA HIROAKI
JP82 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KUBOTA KK
22 patentsUS10316493B2Jun 11, 2019
Hydraulic system and working machine including the same
KUBOTA KK10 citations84
US10308108B2Jun 4, 2019
Working machine
KUBOTA KK11 citations84
US10214876B2Feb 26, 2019
Work machine
KUBOTA KK10 citations83
US11946227B2Apr 2, 2024
Working machine
KUBOTA KK2 citations73
US11846087B2Dec 19, 2023
Working machine
KUBOTA KK2 citations73
US11814815B2Nov 14, 2023
Working machine
KUBOTA KK4 citations73
US11781572B2Oct 10, 2023
Working machine
KUBOTA KK2 citations73
US11371215B2Jun 28, 2022
Working machine
KUBOTA KK4 citations73
US10648489B2May 12, 2020
Hydraulic system for work machine and work machine
KUBOTA KK4 citations73
US10281949B2May 7, 2019
Cable wiring structure, operation device, and work machine
KUBOTA KK2 citations73
US10006188B2Jun 26, 2018
Work machine
KUBOTA KK5 citations73
US10049832B2Aug 14, 2018
Displacement switch configurations, and operation device having the displacement switch
KUBOTA KK6 citations72
USD811298SFeb 27, 2018
Operation grip for working machine
KUBOTA KK3 citations72
USD811297SFeb 27, 2018
Operation grip for working machine
KUBOTA KK2 citations72
US10184227B2Jan 22, 2019
Work machine
KUBOTA KK5 citations71
US10704232B2Jul 7, 2020
Hydraulic system for working machine
KUBOTA KK3 citations68
US12467230B2Nov 11, 2025
Working machine
KUBOTA KK0 citations62
US12098524B2Sep 24, 2024
Working machine
KUBOTA KK0 citations62
US11953035B2Apr 9, 2024
Working machine
KUBOTA KK0 citations62
US11634024B2Apr 25, 2023
Working machine
KUBOTA KK0 citations62
US11353047B2Jun 7, 2022
Hydraulic system for work machine and work machine
KUBOTA KK1 citations62
US11273703B2Mar 15, 2022
Working machine
KUBOTA KK0 citations62
MITSUI PETROCHEMICAL IND
12 patentsUS5643654AJul 1, 1997
Pellicle structure and process for preparation thereof with dissolution of coating layer
MITSUI PETROCHEMICAL IND34 citations93
US5601955AFeb 11, 1997
Mask protective device
MITSUI PETROCHEMICAL IND19 citations93
US4996106AFeb 26, 1991
Pellicle
MITSUI PETROCHEMICAL IND25 citations90
US4828640AMay 9, 1989
Method of producing films using a peeling jig
MITSUI PETROCHEMICAL IND23 citations80
US4267387AMay 12, 1981
Process for preparation of aromatic hydroperoxides
MITSUI PETROCHEMICAL IND9 citations73
US5246767ASep 21, 1993
High light-transmissive dust-proof body and method of preparing same
MITSUI PETROCHEMICAL IND9 citations72
US4812279AMar 14, 1989
Process for preparation of cellulose ester films
MITSUI PETROCHEMICAL IND5 citations71
US4283570AAug 11, 1981
Process for preparing resorcinol
MITSUI PETROCHEMICAL IND15 citations71
US4283567AAug 11, 1981
Method for recovering resorcinol
MITSUI PETROCHEMICAL IND8 citations70
US5085899AFeb 4, 1992
Dust-proof film
MITSUI PETROCHEMICAL IND9 citations66
US5028702AJul 2, 1991
Dust-proof film
MITSUI PETROCHEMICAL IND3 citations62
US4239921ADec 16, 1980
Process for purification of crude resorcinol
MITSUI PETROCHEMICAL IND6 citations62
MITSUI CHEMICALS INC
3 patentsHITACHI HIGH TECH CORP
3 patentsKAJIMA CORP
3 patentsDENSO CORP
2 patentsNAKANO VINEGAR CO LTD
1 patentHANA HIDETOSHI
1 patentFUJITSU LTD
1 patentMIURA KEISUKE
1 patentSEKISUI CHEMICAL CO LTD
1 patentShowing the top 50 of 82 patents by PatentIndex Score.