Inventor
SAGA KOJI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “SAGA KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI AUTOMOTIVE SYSTEMS LTD
12 patentsUS9494153B2Nov 15, 2016
Variable displacement oil pump
HITACHI AUTOMOTIVE SYSTEMS LTD8 citations84
US10161398B2Dec 25, 2018
Variable displacement oil pump
HITACHI AUTOMOTIVE SYSTEMS LTD7 citations83
US9494152B2Nov 15, 2016
Variable vane displacement pump utilizing a control valve and a switching valve
HITACHI AUTOMOTIVE SYSTEMS LTD8 citations83
US11168684B2Nov 9, 2021
Variable displacement pump
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations73
US9556867B2Jan 31, 2017
Vane pump
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations73
US9534596B2Jan 3, 2017
Variable displacement pump
HITACHI AUTOMOTIVE SYSTEMS LTD3 citations73
US9903367B2Feb 27, 2018
Variable displacement oil pump
HITACHI AUTOMOTIVE SYSTEMS LTD6 citations72
US9046100B2Jun 2, 2015
Variable vane pump with communication groove in the cam ring
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
US11905948B2Feb 20, 2024
Variable displacement oil pump including swing member
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations51
US11415128B2Aug 16, 2022
Variable displacement pump and control method therefor
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
US10060433B2Aug 28, 2018
Variable vane displacement pump utilizing a control valve and a switching valve
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations51
HITACHI ASTEMO LTD
4 patentsUS11603779B2Mar 14, 2023
Oil pump and control valve
HITACHI ASTEMO LTD2 citations73
US12448967B2Oct 21, 2025
Variable displacement oil pump
HITACHI ASTEMO LTD0 citations47
US12297829B2May 13, 2025
Variable-capacity oil pump
HITACHI ASTEMO LTD0 citations47
US12286970B2Apr 29, 2025
Oil pump
HITACHI ASTEMO LTD0 citations47