Inventor · disambiguated record
Masao Tsukada
Also filed as: TSUKADA MASAO
10 granted patents·9 pending applications·135 citations·filing 1994–2024
88Inventor score
Files withHITACHI LTD8UNISIA JECS CORP3HITACHI UNISIA AUTOMOTIVE LTD2NIPPON ELECTRIC GLASS CO2HITACHI AUTOMOTIVE SYSTEMS LTD1
Top patents by PatentIndex Score
19 records- 0179US6058781APressure sensor structureUNISIA JECS CORP·Filed 1998·Granted May 9, 2000·43 cites·46 claims
- 0278US5635635AMethod and apparatus for detecting the intake air quantity of an engineUNISIA JECS CORP·Filed 1994·Granted Jun 3, 1997·45 cites·21 claims
- 0377US7370545B2Oxygen sensorHITACHI LTD·Filed 2006·Granted May 13, 2008·5 cites·10 claims
- 0468US7302828B2Oxygen sensorHITACHI LTD·Filed 2005·Granted Dec 4, 2007·2 cites·12 claims
- 0559US2025222754A1Vehicle lower part structureTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 0656US6819118B2Sensing deviceHITACHI UNISIA AUTOMOTIVE LTD·Filed 2002·Granted Nov 16, 2004·8 cites·12 claims
- 0755US5717136AHot film type air flow quantity detecting apparatus applicable to vehicular internal combustion engineUNISIA JECS CORP·Filed 1995·Granted Feb 10, 1998·24 cites·16 claims
- 0854US9908806B2Sheet glass, method for manufacturing sheet glass, and device for manufacturing sheet glassNIPPON ELECTRIC GLASS CO·Filed 2013·Granted Mar 6, 2018·0 cites·6 claims
- 0950US6755084B2Pressure sensor and method of manufacturing pressure sensorHITACHI UNISIA AUTOMOTIVE LTD·Filed 2003·Granted Jun 29, 2004·6 cites·25 claims
- 1047US2007215471A1Exhaust gas sensorHITACHI LTD·Filed 2007·Application pending·0 cites
- 1145US7707598B2Disk-loading rollerSYNZTEC CO LTD·Filed 2007·Granted Apr 27, 2010·0 cites·3 claims
- 1245US2007084725A1Oxygen sensorHITACHI LTD·Filed 2006·Application pending·0 cites
- 1345US2007108051A1Oxygen sensorHITACHI LTD·Filed 2006·Application pending·0 cites
- 1444US2006272944A1Oxygen sensorHITACHI LTD·Filed 2006·Application pending·0 cites
- 1541US6938492B2Pressure sensor and manufacturing method of pressure sensorHITACHI LTD·Filed 2003·Granted Sep 6, 2005·2 cites·11 claims
- 1638US2009312938A1Gas sensor, oxygen sensor and air-fuel ratio control systemHITACHI LTD·Filed 2009·Application pending·0 cites
- 1736US2015014124A1Glass substrate conveyance device and conveyance methodNIPPON ELECTRIC GLASS CO·Filed 2013·Application pending·0 cites
- 1836US2010236925A1Ceramic structure and gas sensor including the ceramic structureHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2010·Application pending·0 cites
- 1934US2005273795A1Disc-loading rollHOKUSHIN CORP·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →