Inventor · disambiguated record
Masahisa Niwa
Also filed as: NIWA MASAHISA
18 granted patents·5 pending applications·139 citations·filing 2002–2017
92Inventor score
Files withNIWA MASAHISA6PANASONIC IP MAN CO LTD6MATSUSHITA ELECTRIC WORKS LTD3PANASONIC CORP3PANASONIC ELEC WORKS CO LTD3
Top patents by PatentIndex Score
23 records- 0191US8432169B2Proximity sensorNIWA MASAHISA·Filed 2008·Granted Apr 30, 2013·26 cites·49 claims
- 0290US7006938B2Reactive sensor modules using Pade' Approximant based compensation and providing module-sourced excitationMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Feb 28, 2006·50 cites·35 claims
- 0378US8159234B2Proximity sensorNIWA MASAHISA·Filed 2009·Granted Apr 17, 2012·10 cites·3 claims
- 0478US6909279B2Position sensor to compensate for change of temperature coefficient of impedance of a detection coilMATSUSHITA ELECTRIC WORKS LTD·Filed 2002·Granted Jun 21, 2005·20 cites·44 claims
- 0576US9784627B2Load sensor, load detector including load sensor, and method for detecting loadPANASONIC IP MAN CO LTD·Filed 2014·Granted Oct 10, 2017·3 cites·37 claims
- 0673US7679361B2Position sensor having tubular detection coilPANASONIC ELEC WORKS CO LTD·Filed 2006·Granted Mar 16, 2010·6 cites·16 claims
- 0768US9897468B2Position detection devicePANASONIC IP MAN CO LTD·Filed 2015·Granted Feb 20, 2018·2 cites·18 claims
- 0867US9097558B2Position sensorNIWA MASAHISA·Filed 2011·Granted Aug 4, 2015·2 cites·9 claims
- 0966US8222895B2Displacement sensing deviceASAHARA NORIMI·Filed 2008·Granted Jul 17, 2012·6 cites·11 claims
- 1060US7511477B2Displacement detectorMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Mar 31, 2009·8 cites·9 claims
- 1157US8164325B2Displacement sensorNIWA MASAHISA·Filed 2008·Granted Apr 24, 2012·3 cites·13 claims
- 1253US8346494B2Physical quantity measurement devicePANASONIC CORP·Filed 2009·Granted Jan 1, 2013·2 cites·8 claims
- 1350US8427138B2Position sensorOKADA KUNITAKA·Filed 2011·Granted Apr 23, 2013·1 cites·8 claims
- 1448US2010259282A1Detector for proximity sensor and proximity sensorPANASONIC ELEC WORKS CO LTD·Filed 2008·Application pending·0 cites
- 1543US7598734B2Position sensor with a shield member for improving linearity of impedance of the detection coilPANASONIC ELEC WORKS CO LTD·Filed 2006·Granted Oct 6, 2009·0 cites·12 claims
- 1642US9059711B2Detection deviceNIWA MASAHISA·Filed 2011·Granted Jun 16, 2015·0 cites·14 claims
- 1741US10620723B2Input devicePANASONIC IP MAN CO LTD·Filed 2017·Granted Apr 14, 2020·0 cites·13 claims
- 1841US2013314077A1Displacement measurement devicePANASONIC CORP·Filed 2013·Application pending·0 cites
- 1940US2019113985A1Input device and input systemPANASONIC IP MAN CO LTD·Filed 2017·Application pending·0 cites
- 2038US2018373351A1Input device, and input system employing samePANASONIC IP MAN CO LTD·Filed 2016·Application pending·0 cites
- 2137US2013021023A1Position sensorPANASONIC CORP·Filed 2011·Application pending·0 cites
- 2236US9778073B2Position sensorPANASONIC IP MAN CO LTD·Filed 2015·Granted Oct 3, 2017·0 cites·9 claims
- 2336US8878518B2Sensor device and sensor interfaceNIWA MASAHISA·Filed 2012·Granted Nov 4, 2014·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →