Inventor
UMEZAWA MASAHIRO
JP8 patents
⚠️ This page may combine multiple inventors who share the name “UMEZAWA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NHK SPRING CO LTD
7 patentsUS9463676B2Oct 11, 2016
Suspension and compression coil spring for suspension
NHK SPRING CO LTD3 citations69
US11685211B2Jun 27, 2023
Hollow coil spring and suspension device for vehicle
NHK SPRING CO LTD0 citations60
US11254177B2Feb 22, 2022
Hollow coil spring and suspension device for vehicle
NHK SPRING CO LTD0 citations60
US7963510B2Jun 21, 2011
Compression coil spring device having a discrete support
NHK SPRING CO LTD3 citations58
US11701943B2Jul 18, 2023
Method of manufacturing a hollow spring member
NHK SPRING CO LTD0 citations50
US10358008B2Jul 23, 2019
Suspension coil spring
NHK SPRING CO LTD0 citations37
US9713946B2Jul 25, 2017
Strut-type suspension and compression coil spring for suspension
NHK SPRING CO LTD0 citations37