Inventor
KOIWAI KAZUSHIGE
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KOIWAI KAZUSHIGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBELCO CONSTR MACH CO LTD
12 patentsUS9935525B2Apr 3, 2018
Electric motor
KOBELCO CONSTR MACH CO LTD7 citations83
US10320257B2Jun 11, 2019
Electric motor and method for manufacturing same
KOBELCO CONSTR MACH CO LTD5 citations72
US9664107B2May 30, 2017
Driving device for hybrid working machine
KOBELCO CONSTR MACH CO LTD2 citations72
US9973053B2May 15, 2018
Electric motor having sealed casing and manufacturing method thereof
KOBELCO CONSTR MACH CO LTD4 citations68
US12516504B2Jan 6, 2026
Construction machine
KOBELCO CONSTR MACH CO LTD0 citations50
US11851852B2Dec 26, 2023
Construction machine and evaluation device
KOBELCO CONSTR MACH CO LTD0 citations50
US11391016B2Jul 19, 2022
Construction machine
KOBELCO CONSTR MACH CO LTD0 citations50
US12173476B2Dec 24, 2024
Hydraulic work machine
KOBELCO CONSTR MACH CO LTD0 citations47
US10053837B2Aug 21, 2018
Slewing control device for hybrid construction machine and hybrid construction machine
KOBELCO CONSTR MACH CO LTD0 citations41
US10014743B2Jul 3, 2018
Electric motor
KOBELCO CONSTR MACH CO LTD0 citations41
US10033241B2Jul 24, 2018
Generator motor
KOBELCO CONSTR MACH CO LTD0 citations39
US9758945B2Sep 12, 2017
Upper slewing body of construction machine
KOBELCO CONSTR MACH CO LTD0 citations39