Inventor · disambiguated record
Masato Yabu
Also filed as: YABU MASATO
9 granted patents·3 pending applications·86 citations·filing 2001–2017
86Inventor score
Files withHITACHI LTD7HITACHI ENG SERVICE1HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD1MORITA AYUMU1SAWADA MASASHI1
Top patents by PatentIndex Score
12 records- 0190US6816048B2Electromagnet and actuating mechanism for switch device, using thereofHITACHI LTD·Filed 2001·Granted Nov 9, 2004·34 cites·5 claims
- 0289US8946581B2SwitchgearHITACHI LTD·Filed 2013·Granted Feb 3, 2015·15 cites·15 claims
- 0381US8570121B2Air circuit breakerSAWADA MASASHI·Filed 2011·Granted Oct 29, 2013·7 cites·6 claims
- 0481US6940376B2Electromagnet and actuating mechanism for switch device, using thereofHITACHI LTD·Filed 2004·Granted Sep 6, 2005·15 cites·3 claims
- 0576US7075398B2Electromagnet and actuating mechanism for switch device, using thereofHITACHI ENG SERVICE·Filed 2004·Granted Jul 11, 2006·14 cites·2 claims
- 0660US9142371B2Actuator for contactorHITACHI LTD·Filed 2014·Granted Sep 22, 2015·1 cites·10 claims
- 0752US9437380B2Switching unit or switching gearHITACHI LTD·Filed 2013·Granted Sep 6, 2016·0 cites·22 claims
- 0850US10589760B2Branching unit and vehicular systemHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2017·Granted Mar 17, 2020·0 cites·6 claims
- 0947US9378913B2Operating device or vacuum switchHITACHI LTD·Filed 2013·Granted Jun 28, 2016·0 cites·20 claims
- 1042US2014076852A1Electrical Contacts, Manufacturing Methods Thereof, Electrodes, Vacuum Interrupters, and Electric Power SwitchesHITACHI LTD·Filed 2013·Application pending·0 cites
- 1141US2006208841A1Electromagnet and actuating mechanism for switch device, using thereofMORITA AYUMU·Filed 2006·Application pending·0 cites
- 1234US2001017288A1Electromagnet and operating mechanism of switch therewithFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →