Inventor · disambiguated record
Syooichi Kawamata
Also filed as: KAWAMATA SYOOICHI
17 granted patents·611 citations·filing 1983–1993
95Inventor score
Top patents by PatentIndex Score
17 records- 0196US4874053ATorque detecting apparatusHITACHI LTD·Filed 1988·Granted Oct 17, 1989·118 cites·35 claims
- 0292US4818939AApparatus for magnetically detecting position or speed or moving body utilizing bridge circuit with series connected MR elementsHITACHI LTD·Filed 1987·Granted Apr 4, 1989·62 cites·13 claims
- 0391US5561366ACurrent sensor system and detection method comprising magetoresistance element, biasing conductor and current measurement conductor on insulating substrateHITACHI LTD·Filed 1992·Granted Oct 1, 1996·85 cites·8 claims
- 0491US5019776AMagnetic position detection apparatus having two magnetic recording medium tracks with magnetoresistors arranged in a bridge circuit so as to eliminate even order harmonic distortionHITACHI LTD·Filed 1989·Granted May 28, 1991·54 cites·8 claims
- 0584US4594548AMulti phase magnetic sensor apparatus for detecting the position of moving memberHITACHI LTD·Filed 1983·Granted Jun 10, 1986·32 cites·7 claims
- 0682US5453972AOptical disk apparatusHITACHI LTD·Filed 1993·Granted Sep 26, 1995·34 cites·4 claims
- 0782US5218279AMethod and apparatus for detection of physical quantities, servomotor system utilizing the method and apparatus and power steering apparatus using the servomotor systemHITACHI LTD·Filed 1991·Granted Jun 8, 1993·40 cites·17 claims
- 0872US4713613ADevice for magnetically detecting displacement of non-magnetic movable memberHITACHI LTD·Filed 1984·Granted Dec 15, 1987·20 cites·4 claims
- 0971US4904937AApparatus for magnetically detecting positions with minimum length magnetic information units recorded on a plurality of magnetic tracksHITACHI LTD·Filed 1988·Granted Feb 27, 1990·24 cites·14 claims
- 1071US4786870AMagnetic sensor for magnetically detecting the position of a movable bodyHITACHI LTD·Filed 1986·Granted Nov 22, 1988·25 cites·14 claims
- 1170US5245232ALinear actuatorHITACHI LTD·Filed 1992·Granted Sep 14, 1993·19 cites·22 claims
- 1268US4707695AMagnetic position sensorHITACHI LTD·Filed 1983·Granted Nov 17, 1987·17 cites·20 claims
- 1367US5351027AMagnetic sensorHITACHI LTD·Filed 1992·Granted Sep 27, 1994·26 cites·24 claims
- 1464US4694688ACrank angle sensorHITACHI LTD·Filed 1986·Granted Sep 22, 1987·17 cites·20 claims
- 1563US4939435ATorque detecting apparatusTAKAHASHI TADASHI·Filed 1989·Granted Jul 3, 1990·23 cites·34 claims
- 1643US4983893AActuator with stepping motion functionHITACHI LTD·Filed 1984·Granted Jan 8, 1991·8 cites·10 claims
- 1741USRE34443EApparatus magnetically detecting position or speed of moving body utilizing bridge circuit with series connected MR elementsHITACHI LTD·Filed 1991·Granted Nov 16, 1993·7 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →