Inventor · disambiguated record
Koichi Yokosawa
Also filed as: YOKOSAWA KOICHI
15 granted patents·4 pending applications·591 citations·filing 1988–2008
95Inventor score
Top patents by PatentIndex Score
19 records- 0192US4913883AParticle agglutination immunoassay apparatusHITACHI LTD·Filed 1988·Granted Apr 3, 1990·87 cites·11 claims
- 0283US7345590B2Wireless terminal with gas leakage detection function, gas leakage detection system using the same, and gas leakage notification methodHITACHI LTD·Filed 2005·Granted Mar 18, 2008·19 cites·7 claims
- 0383US7242309B2Gas detection systemHITACHI LTD·Filed 2005·Granted Jul 10, 2007·9 cites·5 claims
- 0482US6853185B2Magnetic field measurement systemHITACHI LTD·Filed 2004·Granted Feb 8, 2005·27 cites·12 claims
- 0573US6665552B2Gradiometer integrating pickup coils and magnetic field measurement systemHITACHI LTD·Filed 2001·Granted Dec 16, 2003·17 cites·16 claims
- 0672US6815949B2Apparatus for measuring a magnetic fieldHITACHI LTD·Filed 2002·Granted Nov 9, 2004·60 cites·7 claims
- 0772US5829439ANeedle-like ultrasonic probe for ultrasonic diagnosis apparatus, method of producing same, and ultrasonic diagnosis apparatus using sameHITACHI MEDICAL CORP·Filed 1996·Granted Nov 3, 1998·187 cites·13 claims
- 0870US5955400ASQUID integrated with pickup coilsHITACHI LTD·Filed 1997·Granted Sep 21, 1999·35 cites·16 claims
- 0967US5166614AIntegrated-type squid magnetometer having a magnetic shield, and a multichannel squid magnetometer using the sameHITACHI LTD·Filed 1990·Granted Nov 24, 1992·30 cites·19 claims
- 1065US6681131B2Apparatus for measuring bio-magnetic fieldsHITACHI LTD·Filed 2001·Granted Jan 20, 2004·36 cites·20 claims
- 1165US6528994B2Magnetic field measurement apparatusHITACHI LTD·Filed 2001·Granted Mar 4, 2003·12 cites·17 claims
- 1261US4875010ACircuit for detecting AC magnetic field due to magnetic resonance with a variable resistance for noise suppressionHITACHI LTD·Filed 1988·Granted Oct 17, 1989·18 cites·18 claims
- 1355US6745063B2Biomagnetic field measuring apparatusHITACHI LTD·Filed 2001·Granted Jun 1, 2004·13 cites·11 claims
- 1448US2007278098A1Gas sensor and gas detection system using the sameHITACHI LTD·Filed 2007·Application pending·0 cites
- 1546US5021739ASuperconductor type radio frequency with adjustable inductance magnetic flux measuring circuitHITACHI LTD·Filed 1989·Granted Jun 4, 1991·10 cites·9 claims
- 1646US2007007546A1Semiconductor gas sensor and method for manufacturing the sameHITACHI LTD·Filed 2006·Application pending·0 cites
- 1741US6261232B1Continuous wave transmission/reception type ultrasonic imaging device and ultrasonic probeHITACHI MEDICAL CORP·Filed 1998·Granted Jul 17, 2001·31 cites·26 claims
- 1841US2008262757A1Leakage detection systemHITACHI LTD·Filed 2008·Application pending·0 cites
- 1939US2003218872A1Superconducting magnetic shieldFiled 2003·Application pending·0 cites
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