Inventor
UEYAMA HIROCHIKA
JP25 patents
⚠️ This page may combine multiple inventors who share the name “UEYAMA HIROCHIKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOYO SEIKO CO
21 patentsUS5739609AApr 14, 1998
Magnetic bearing apparatus
KOYO SEIKO CO67 citations96
US6380652B1Apr 30, 2002
Remote bearing device with remote diagnostic capability
KOYO SEIKO CO21 citations92
US6215218B1Apr 10, 2001
Control magnetic bearing
KOYO SEIKO CO31 citations92
US6147425ANov 14, 2000
Controllable magnetic bearing apparatus
KOYO SEIKO CO24 citations92
US6123522ASep 26, 2000
Turbo molecular pump
KOYO SEIKO CO22 citations92
US5783887AJul 21, 1998
Magnetic bearing spindle device for machine tools
KOYO SEIKO CO39 citations92
US5772564AJun 30, 1998
Magnetic bearing spindle device for machine tools
KOYO SEIKO CO32 citations92
US5562528AOct 8, 1996
Machine tool
KOYO SEIKO CO29 citations92
US5530306AJun 25, 1996
Magnetic bearing apparatus
KOYO SEIKO CO49 citations92
US5314868AMay 24, 1994
Bearing device
KOYO SEIKO CO43 citations92
US7053582B2May 30, 2006
Control magnetic bearing device
KOYO SEIKO CO41 citations91
US6653756B2Nov 25, 2003
Magnetic bearing device
KOYO SEIKO CO24 citations91
US5046372ASep 10, 1991
Torque sensor
KOYO SEIKO CO30 citations91
US6787955B1Sep 7, 2004
Controllable magnetic bearing apparatus and method for determining a machine type of a magnetic bearing
KOYO SEIKO CO15 citations84
US5804900ASep 8, 1998
Magnetic bearing spindle device
KOYO SEIKO CO17 citations84
US6472787B1Oct 29, 2002
Controller of magnetic bearing
KOYO SEIKO CO19 citations82
US6348749B1Feb 19, 2002
Magnetic bearing device and method of starting the device
KOYO SEIKO CO11 citations74
US5879113AMar 9, 1999
Machine tool
KOYO SEIKO CO13 citations74
US5736802AApr 7, 1998
Magnetic bearing device
KOYO SEIKO CO10 citations74
US6435847B2Aug 20, 2002
Turbo-molecular pump
KOYO SEIKO CO6 citations63
US6320289B1Nov 20, 2001
System for controlling plural magnetic bearing devices from a remote location
KOYO SEIKO CO5 citations63