Inventor
HAYASHI YASUKAZU
JP31 patents
⚠️ This page may combine multiple inventors who share the name “HAYASHI YASUKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OKUMA MACHINERY WORKS LTD
29 patentsUS7049924B2May 23, 2006
Electromagnetic induction type position sensor
OKUMA MACHINERY WORKS LTD42 citations92
US6777843B2Aug 17, 2004
Resolver integrated type motor
OKUMA MACHINERY WORKS LTD26 citations92
US5684479ANov 4, 1997
Communication device performing code conversion between binary data and serial data
OKUMA MACHINERY WORKS LTD21 citations92
US5339030AAug 16, 1994
Multi-displacement detecting apparatus
OKUMA MACHINERY WORKS LTD21 citations92
US5305241AApr 19, 1994
Error correcting apparatus in position detection
OKUMA MACHINERY WORKS LTD23 citations92
US5194907AMar 16, 1993
Displacement detecting apparatus
OKUMA MACHINERY WORKS LTD28 citations92
US5155696AOct 13, 1992
Position detecting apparatus
OKUMA MACHINERY WORKS LTD23 citations92
US5076744ADec 31, 1991
Screw cutting machine
OKUMA MACHINERY WORKS LTD33 citations92
US5032750AJul 16, 1991
Absolute rotation position detector with coaxial resolvers
OKUMA MACHINERY WORKS LTD31 citations92
US5708344AJan 13, 1998
Resolver for detecting rotation position on the basis of response current to pulse voltage
OKUMA MACHINERY WORKS LTD21 citations88
US6768956B2Jul 27, 2004
High precision position detecting apparatus capable of removing error contained in signal
OKUMA MACHINERY WORKS LTD16 citations84
US6359356B1Mar 19, 2002
Controller for magnetic bearing
OKUMA MACHINERY WORKS LTD19 citations84
US5900824AMay 4, 1999
Method for transferring data detected by a plurality of sensors
OKUMA MACHINERY WORKS LTD10 citations74
US5382900AJan 17, 1995
Multi-displacement detecting apparatus for detecting rotary and radial displacement with two pair of sensors
OKUMA MACHINERY WORKS LTD13 citations74
US9829500B2Nov 28, 2017
Speed monitoring device
OKUMA MACHINERY WORKS LTD4 citations73
US5182613AJan 26, 1993
Position detecting apparatus generating periodic detection signals having equal third and fifth harmonic components
OKUMA MACHINERY WORKS LTD17 citations73
US5104268AApr 14, 1992
Screw cutting machine
OKUMA MACHINERY WORKS LTD13 citations73
US7711508B2May 4, 2010
Position detector
OKUMA MACHINERY WORKS LTD3 citations63
US7659714B2Feb 9, 2010
Abnormality detection apparatus for rotary type absolute encoder
OKUMA MACHINERY WORKS LTD2 citations63
US7508199B2Mar 24, 2009
Absolute encoder
OKUMA MACHINERY WORKS LTD2 citations63
US11073561B2Jul 27, 2021
Insulation deterioration detection device for electric motor
OKUMA MACHINERY WORKS LTD1 citations62
US10545033B2Jan 28, 2020
Multi-turn detector
OKUMA MACHINERY WORKS LTD1 citations60
US7474091B2Jan 6, 2009
Position detector with tilt sensor
OKUMA MACHINERY WORKS LTD2 citations58
US11169005B2Nov 9, 2021
Sensor substrate for electromagnetic-induction type position sensor and method of manufacturing sensor substrate
OKUMA MACHINERY WORKS LTD0 citations52
US11125608B2Sep 21, 2021
Frequency identifying device
OKUMA MACHINERY WORKS LTD0 citations52
US9689716B2Jun 27, 2017
Linear encoder
OKUMA MACHINERY WORKS LTD1 citations52
US7352294B2Apr 1, 2008
Absolute position detector
OKUMA MACHINERY WORKS LTD1 citations52
US7254770B2Aug 7, 2007
Sensor apparatus and monitoring method of control system using detected data from sensor apparatus
OKUMA MACHINERY WORKS LTD0 citations42
US9448089B2Sep 20, 2016
Optical encoder
OKUMA MACHINERY WORKS LTD0 citations41