Inventor · disambiguated record
Yasukazu Hayashi
Also filed as: HAYASHI YASUKAZU
31 granted patents·2 pending applications·383 citations·filing 1990–2020
97Inventor score
Top patents by PatentIndex Score
33 records- 0195US7049924B2Electromagnetic induction type position sensorOKUMA MACHINERY WORKS LTD·Filed 2005·Granted May 23, 2006·42 cites·4 claims
- 0282US6777843B2Resolver integrated type motorOKUMA MACHINERY WORKS LTD·Filed 2002·Granted Aug 17, 2004·26 cites·4 claims
- 0382US6359356B1Controller for magnetic bearingOKUMA MACHINERY WORKS LTD·Filed 2000·Granted Mar 19, 2002·19 cites·2 claims
- 0480US9829500B2Speed monitoring deviceOKUMA MACHINERY WORKS LTD·Filed 2012·Granted Nov 28, 2017·4 cites·6 claims
- 0580US9140581B2Position detectorSHIMADA TAISHI·Filed 2011·Granted Sep 22, 2015·9 cites·3 claims
- 0677US5076744AScrew cutting machineOKUMA MACHINERY WORKS LTD·Filed 1990·Granted Dec 31, 1991·33 cites·6 claims
- 0774US11073561B2Insulation deterioration detection device for electric motorOKUMA MACHINERY WORKS LTD·Filed 2019·Granted Jul 27, 2021·1 cites·3 claims
- 0874US6768956B2High precision position detecting apparatus capable of removing error contained in signalOKUMA MACHINERY WORKS LTD·Filed 2002·Granted Jul 27, 2004·16 cites·2 claims
- 0971US11125608B2Frequency identifying deviceOKUMA MACHINERY WORKS LTD·Filed 2020·Granted Sep 21, 2021·0 cites·8 claims
- 1071US9689716B2Linear encoderOKUMA MACHINERY WORKS LTD·Filed 2015·Granted Jun 27, 2017·1 cites·6 claims
- 1168US10545033B2Multi-turn detectorOKUMA MACHINERY WORKS LTD·Filed 2016·Granted Jan 28, 2020·1 cites·12 claims
- 1267US5305241AError correcting apparatus in position detectionOKUMA MACHINERY WORKS LTD·Filed 1991·Granted Apr 19, 1994·23 cites·3 claims
- 1367US5032750AAbsolute rotation position detector with coaxial resolversOKUMA MACHINERY WORKS LTD·Filed 1990·Granted Jul 16, 1991·31 cites·3 claims
- 1465US5339030AMulti-displacement detecting apparatusOKUMA MACHINERY WORKS LTD·Filed 1992·Granted Aug 16, 1994·21 cites·3 claims
- 1563US7711508B2Position detectorOKUMA MACHINERY WORKS LTD·Filed 2008·Granted May 4, 2010·3 cites·10 claims
- 1660US7508199B2Absolute encoderOKUMA MACHINERY WORKS LTD·Filed 2008·Granted Mar 24, 2009·2 cites·7 claims
- 1759US7659714B2Abnormality detection apparatus for rotary type absolute encoderOKUMA MACHINERY WORKS LTD·Filed 2008·Granted Feb 9, 2010·2 cites·5 claims
- 1859US5182613APosition detecting apparatus generating periodic detection signals having equal third and fifth harmonic componentsOKUMA MACHINERY WORKS LTD·Filed 1991·Granted Jan 26, 1993·17 cites·5 claims
- 1959US5155696APosition detecting apparatusOKUMA MACHINERY WORKS LTD·Filed 1990·Granted Oct 13, 1992·23 cites·2 claims
- 2058US5194907ADisplacement detecting apparatusOKUMA MACHINERY WORKS LTD·Filed 1991·Granted Mar 16, 1993·28 cites·5 claims
- 2158US2017146394A1Frequency identifying deviceOKUMA MACHINERY WORKS LTD·Filed 2016·Application pending·0 cites
- 2256US5382900AMulti-displacement detecting apparatus for detecting rotary and radial displacement with two pair of sensorsOKUMA MACHINERY WORKS LTD·Filed 1993·Granted Jan 17, 1995·13 cites·2 claims
- 2353US7352294B2Absolute position detectorOKUMA MACHINERY WORKS LTD·Filed 2006·Granted Apr 1, 2008·1 cites·6 claims
- 2453US5708344AResolver for detecting rotation position on the basis of response current to pulse voltageOKUMA MACHINERY WORKS LTD·Filed 1996·Granted Jan 13, 1998·21 cites·4 claims
- 2552US7474091B2Position detector with tilt sensorOKUMA MACHINERY WORKS LTD·Filed 2008·Granted Jan 6, 2009·2 cites·7 claims
- 2651US5104268AScrew cutting machineOKUMA MACHINERY WORKS LTD·Filed 1991·Granted Apr 14, 1992·13 cites·6 claims
- 2748US5900824AMethod for transferring data detected by a plurality of sensorsOKUMA MACHINERY WORKS LTD·Filed 1997·Granted May 4, 1999·10 cites·8 claims
- 2847US11169005B2Sensor substrate for electromagnetic-induction type position sensor and method of manufacturing sensor substrateOKUMA MACHINERY WORKS LTD·Filed 2019·Granted Nov 9, 2021·0 cites·4 claims
- 2947US9448089B2Optical encoderOKUMA MACHINERY WORKS LTD·Filed 2014·Granted Sep 20, 2016·0 cites·2 claims
- 3047US5684479ACommunication device performing code conversion between binary data and serial dataOKUMA MACHINERY WORKS LTD·Filed 1995·Granted Nov 4, 1997·21 cites·3 claims
- 3141US8575922B2Multi-turn angle sensorSHIBATA SHINJI·Filed 2010·Granted Nov 5, 2013·0 cites·2 claims
- 3241US7254770B2Sensor apparatus and monitoring method of control system using detected data from sensor apparatusOKUMA MACHINERY WORKS LTD·Filed 2003·Granted Aug 7, 2007·0 cites·2 claims
- 3336US2002005674A1Reluctance type resolver with reduced detection error due to external magnetic fluxOKUMA MACHINERY WORKS LTD·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →