Inventor
NAGANUMA ATSUSHI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “NAGANUMA ATSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI AUTOMOTIVE SYSTEMS LTD
11 patentsUS9670925B2Jun 6, 2017
Variable displacement pump
HITACHI AUTOMOTIVE SYSTEMS LTD12 citations83
US9133842B2Sep 15, 2015
Variable displacement pump
HITACHI AUTOMOTIVE SYSTEMS LTD5 citations83
US9903367B2Feb 27, 2018
Variable displacement oil pump
HITACHI AUTOMOTIVE SYSTEMS LTD6 citations72
USRE46294EJan 31, 2017
Variable displacement pump
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations72
US10941681B2Mar 9, 2021
Oil pump and balancer unit of oil pump integrated type
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations62
US11905948B2Feb 20, 2024
Variable displacement oil pump including swing member
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations51
US11215178B2Jan 4, 2022
Variable capacity pump and working oil supply system for internal combustion engine
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations51
US10947973B2Mar 16, 2021
Variable capacity oil pump
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations51
US10947972B2Mar 16, 2021
Variable displacement-type oil pump
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations51
US10006457B2Jun 26, 2018
Variable displacement pump
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations51
US10677245B2Jun 9, 2020
Variable displacement pump
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations40