P

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 patents
US6254069B1Jul 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 patents

NISSAN MOTOR

2 patents

HASEGAWA KOICHI

1 patent

URAYAMA ATSUSHI

1 patent

Showing the top 50 of 90 patents by PatentIndex Score.