Inventor
MURAMATSU ATSUSHI
JP90 patents
⚠️ This page may combine multiple inventors who share the name “MURAMATSU ATSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKAI RUBBER IND LTD
42 patentsUS6254069B1Jul 3, 2001
Active vibration damping system having controller for generating pulse signal for oscillation of oscillating plate partially defining fluid chambers
TOKAI RUBBER IND LTD58 citations96
US5866052AFeb 2, 1999
Process of manufacturing structural body for automotive vehicle
TOKAI RUBBER IND LTD72 citations96
US5246212ASep 21, 1993
Fluid-filled elastic mount having vacuum-receiving chamber and auxiliary air chamber for accommodating volumetric change of equilibrium chamber
TOKAI RUBBER IND LTD79 citations96
US5167403ADec 1, 1992
Fluid-filled elastic mount having two orifice passages one of which is selectively opened and closed by means of vacuum pressure
TOKAI RUBBER IND LTD62 citations96
US6325364B1Dec 4, 2001
Fluid-filled active elastic mount wherein oscillating member is elastically supported by two elastic support members
TOKAI RUBBER IND LTD34 citations93
US6305675B1Oct 23, 2001
Oscillating force generator and vibration damper using the generator
TOKAI RUBBER IND LTD23 citations93
US6264181B1Jul 24, 2001
Pneumatically operated active vibration damping device having air chamber whose volume is controllable
TOKAI RUBBER IND LTD24 citations93
US5314173AMay 24, 1994
Fluid-filled elastic mount having vacuum-receiving chamber partially defined by elastic member for isolating high-frequency vibrations
TOKAI RUBBER IND LTD52 citations93
US5217211AJun 8, 1993
Fluid-filled elastic mount having vacuum-receiving chamber partially defined by flexible diaphragm with rigid restriction member
TOKAI RUBBER IND LTD49 citations93
US5170998ADec 15, 1992
Fluid-filled elastic mount having means for controlling elastic deformation of flexible diaphragm(s) defining equilibrium chamber(s)
TOKAI RUBBER IND LTD41 citations93
US4981286AJan 1, 1991
Apparatus using a fluid whose viscosity varies with electric current applied thereto
TOKAI RUBBER IND LTD33 citations93
US8931351B2Jan 13, 2015
Bending sensor
TOKAI RUBBER IND LTD22 citations92
US6491290B2Dec 10, 2002
Fluid-filled vibration damping device having pressure receiving chamber whose spring stiffness is controllable
TOKAI RUBBER IND LTD29 citations92
US6224045B1May 1, 2001
Vibration damping device having fluid chambers on opposite sides of partition structure having movable rubber plate
TOKAI RUBBER IND LTD21 citations92
US6017024AJan 25, 2000
Fluid-filled vibration damping device having pneumatically oscillated member partially defining auxiliary fluid chamber
TOKAI RUBBER IND LTD26 citations92
US5215293AJun 1, 1993
Fluid-filled elastic mount having double-layered flexible membrane separating fluid chamber and vacuum-receiving chamber
TOKAI RUBBER IND LTD45 citations92
US5145156ASep 8, 1992
Fluid-filled elastic mount having two differently tuned orifices selectively utilized for damping or isolating vibrations in different frequency ranges
TOKAI RUBBER IND LTD41 citations92
US5098072AMar 24, 1992
Fluid-filled elastic mount having two differently tuned orifices and means for controlling pressure in air chamber or chambers adjacent to equilibrium chamber or chambers
TOKAI RUBBER IND LTD35 citations92
US6276673B1Aug 21, 2001
Fluid-filled active vibration damping device having stabilizing member for stabilizing oscillating member
TOKAI RUBBER IND LTD26 citations91
US7306210B2Dec 11, 2007
Fluid-filled type vibration damping device
TOKAI RUBBER IND LTD20 citations89
US7226082B2Jun 5, 2007
Vibration control system for electric tilt steering
TOKAI RUBBER IND LTD27 citations86
US7344128B2Mar 18, 2008
Fluid-filled type vibration-damping device
TOKAI RUBBER IND LTD11 citations84
US7255335B2Aug 14, 2007
Fluid-filled active damping apparatus
TOKAI RUBBER IND LTD15 citations84
US7210674B2May 1, 2007
Fluid-filled vibration damping device
TOKAI RUBBER IND LTD17 citations84
US7165761B2Jan 23, 2007
Fluid filled active vibration damping device
TOKAI RUBBER IND LTD12 citations84
US6907969B2Jun 21, 2005
Active type dynamic damper
TOKAI RUBBER IND LTD17 citations84
US6808168B2Oct 26, 2004
Fluid-filled active vibration damping device
TOKAI RUBBER IND LTD17 citations84
US7350776B2Apr 1, 2008
Fluid-filled type vibration-damping device
TOKAI RUBBER IND LTD17 citations83
US6902156B2Jun 7, 2005
Pneumatically operated active vibration damping device
TOKAI RUBBER IND LTD15 citations83
US6659436B2Dec 9, 2003
Pneumatically operated active vibration damping device and vibration damping apparatus using the same
TOKAI RUBBER IND LTD15 citations83
US6445149B1Sep 3, 2002
Vibrator controlling method and vibrator
TOKAI RUBBER IND LTD12 citations74
US6352249B2Mar 5, 2002
Fluid-filled vibration damping device having pneumatically oscillated cylindrical member
TOKAI RUBBER IND LTD11 citations74
US6059275AMay 9, 2000
Vibration damper having oscillating force generating means
TOKAI RUBBER IND LTD13 citations74
US5114124AMay 19, 1992
Fluid-filled elastic mount having means for controlling pressure in air chamber in resonance member in pressure-receiving chamber
TOKAI RUBBER IND LTD14 citations74
US9307663B2Apr 5, 2016
External operation detection structure body
TOKAI RUBBER IND LTD3 citations73
US6679486B2Jan 20, 2004
Pneumatically controlled vibration damper
TOKAI RUBBER IND LTD8 citations73
US6055317AApr 25, 2000
Active vibration damping device having pneumatically oscillated mass member whose oscillation amplitude as well as frequency and phase are controllable
TOKAI RUBBER IND LTD14 citations73
US5941512AAug 24, 1999
Vibration damper including mass member displaceable by fluid pressure change in working chamber
TOKAI RUBBER IND LTD7 citations73
US5344129ASep 6, 1994
Elastic mount having fluid chamber partially defined by oscillating plate actuated by moving coil in annular gap between two yokes connected to permanent magnet
TOKAI RUBBER IND LTD18 citations73
US5333846AAug 2, 1994
Elastic mount having fluid chamber partially defined by oscillating plate actuated by moving coil in annular gap between two yokes connected to permanent magnet, and method of manufacturing the elastic mount
TOKAI RUBBER IND LTD19 citations73
US5249782AOct 5, 1993
Elastic mount and method of manufacturing the elastic mount
TOKAI RUBBER IND LTD17 citations73
US5215294AJun 1, 1993
Fluid-filled elastic mount having air chamber for absorbing pressure change in fluid chamber filled with highly viscous fluid
TOKAI RUBBER IND LTD11 citations73
SHIROKI CORP
4 patentsUS10753137B2Aug 25, 2020
Window regulator
SHIROKI CORP8 citations83
US10711502B2Jul 14, 2020
Wire type window regulator
SHIROKI CORP6 citations73
US10626962B2Apr 21, 2020
Drive device for opening/closing body for vehicle
SHIROKI CORP3 citations73
US10030430B2Jul 24, 2018
Window regulator
SHIROKI CORP4 citations71
NISSAN MOTOR
2 patentsHASEGAWA KOICHI
1 patentURAYAMA ATSUSHI
1 patentShowing the top 50 of 90 patents by PatentIndex Score.