Inventor
NAKADATE TAKAO
JP27 patents
⚠️ This page may combine multiple inventors who share the name “NAKADATE TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKICO LTD
15 patentsUS6782980B2Aug 31, 2004
Controllable damping force hydraulic shock absorber
TOKICO LTD126 citations98
US6079526AJun 27, 2000
Damping force control type hydraulic shock absorber
TOKICO LTD115 citations98
US6371262B1Apr 16, 2002
Damping force control type hydraulic shock absorber
TOKICO LTD171 citations96
US6302248B1Oct 16, 2001
Damping force control type hydraulic shock absorber
TOKICO LTD55 citations96
US6283259B1Sep 4, 2001
Hydraulic shock absorber
TOKICO LTD72 citations96
US6119829ASep 19, 2000
Hydraulic shock absorber with variable damping resistance
TOKICO LTD70 citations96
US5934421AAug 10, 1999
Damping force control type hydraulic shock absorber
TOKICO LTD64 citations96
US5901820AMay 11, 1999
Hydraulic shock absorber
TOKICO LTD67 citations96
US5649611AJul 22, 1997
Damping force control type hydraulic shock absorber
TOKICO LTD56 citations96
US5404973AApr 11, 1995
Damping force control type hydraulic shock absorber
TOKICO LTD65 citations96
US5655633AAug 12, 1997
Hydraulic damper of a damping force adjusting type
TOKICO LTD59 citations95
US6860370B2Mar 1, 2005
Controllable damping force hydraulic shock absorber
TOKICO LTD45 citations92
US5431259AJul 11, 1995
Damping force control type hydraulic shock absorber
TOKICO LTD42 citations92
US5368142ANov 29, 1994
Damping force control type of hydraulic shock absorber
TOKICO LTD38 citations92
US5402867AApr 4, 1995
Shock absorber with auxiliary port in guide member to control hydrodynamic force
TOKICO LTD4 citations63
HITACHI AUTOMOTIVE SYSTEMS LTD
4 patentsUS11261932B2Mar 1, 2022
Shock absorber
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations60
US10941830B2Mar 9, 2021
Shock absorber
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations60
US11204074B2Dec 21, 2021
Shock absorber
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations49
US8376099B2Feb 19, 2013
Volume compensation accumulator apparatus and suspension system using the same
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations42