Inventor · disambiguated record
Shigekazu Nakamura
Also filed as: NAKAMURA SHIGEKAZU
14 granted patents·664 citations·filing 1981–2005
94Inventor score
Top patents by PatentIndex Score
14 records- 0196US5775791ASurface emission apparatusCOPAL CO LTD·Filed 1993·Granted Jul 7, 1998·200 cites·6 claims
- 0294US4984474ATorque sensorCOPAL CO LTD·Filed 1989·Granted Jan 15, 1991·111 cites·15 claims
- 0392US4470873AMethod of manufacturing magnetic sensor comprising at least two magnetoresistive elementsCOPAL CO LTD·Filed 1983·Granted Sep 11, 1984·45 cites·18 claims
- 0492US4425557ANon-contact magnetic potentiometerCOPAL CO LTD·Filed 1982·Granted Jan 10, 1984·42 cites·12 claims
- 0590US5073710AOptical displacement detector including a displacement member's surface having a diffractive pattern and a holographic lens patternCOPAL CO LTD·Filed 1990·Granted Dec 17, 1991·68 cites·19 claims
- 0690US4395695ANon-contact magnetic potentiometerCOPAL CO LTD·Filed 1981·Granted Jul 26, 1983·34 cites·5 claims
- 0787US4616281ADisplacement detecting apparatus comprising magnetoresistive elementsCOPAL CO LTD·Filed 1983·Granted Oct 7, 1986·38 cites·14 claims
- 0883US4649342AApparatus using inclined sensor for detecting relative displacementNAKAMURA SHIGEKAZU·Filed 1984·Granted Mar 10, 1987·36 cites·8 claims
- 0983US4603365AMagnetic detection apparatusCOPAL CO LTD·Filed 1983·Granted Jul 29, 1986·38 cites·16 claims
- 1077US5253526ACapacitive acceleration sensor with free diaphragmCOPAL CO LTD·Filed 1991·Granted Oct 19, 1993·37 cites·12 claims
- 1150US7521889B2Method of braking induction motor and control apparatusYASKAWA DENKI SEISAKUSHO KK·Filed 2005·Granted Apr 21, 2009·2 cites·16 claims
- 1250US7463005B2Method and device for sensorless vector control for AC motorYASKAWA DENKI SEISAKUSHO KK·Filed 2004·Granted Dec 9, 2008·6 cites·10 claims
- 1348US7362069B2Voltage source inverter control methodYASKAWA DENKI SEISAKUSHO KK·Filed 2004·Granted Apr 22, 2008·7 cites·5 claims
- 1428US4646194APG yoke position detecting apparatusCOPAL CO LTD·Filed 1986·Granted Feb 24, 1987·0 cites·8 claims
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