Inventor · disambiguated record
Norinaga Suzuki
Also filed as: SUZUKI NORINAGA
10 granted patents·1 pending application·202 citations·filing 1992–2020
90Inventor score
Files withHITACHI LTD5HITACHI IND EQUIPMENT SYS3HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD1KAMEYA HIROTAKA1OKUBO TOMOFUMI1
Top patents by PatentIndex Score
11 records- 0195USD358753SFrequency inverterHITACHI LTD·Filed 1994·Granted May 30, 1995·93 cites·1 claims
- 0283USD343382SFrequency inverterHITACHI LTD·Filed 1992·Granted Jan 18, 1994·26 cites·1 claims
- 0376US8491280B2Oil-flooded screw compressor, motor drive system, and motor control deviceKAMEYA HIROTAKA·Filed 2009·Granted Jul 23, 2013·5 cites·6 claims
- 0471US8882476B2Oil-flooded screw compressor, motor drive system, and motor controlHITACHI IND EQUIPMENT SYS·Filed 2013·Granted Nov 11, 2014·1 cites·6 claims
- 0566US7477530B2Frequency converting apparatus and control method for the apparatusHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Jan 13, 2009·8 cites·5 claims
- 0664US6486548B1Semiconductor module and power converting apparatus using the moduleHITACHI LTD·Filed 1998·Granted Nov 26, 2002·28 cites·14 claims
- 0764US5949663AInverter apparatus capable of readily modification of the specification and performance thereofHITACHI LTD·Filed 1998·Granted Sep 7, 1999·31 cites·20 claims
- 0861US9136788B2Motor controller, air compressor, air conditioner, controller of passenger conveyor and controller of conveyorOKUBO TOMOFUMI·Filed 2009·Granted Sep 15, 2015·6 cites·4 claims
- 0956US7782641B2Frequency converting apparatus and control method for the apparatusHITACHI IND EQUIPMENT SYS·Filed 2008·Granted Aug 24, 2010·4 cites·13 claims
- 1048US11933291B2Compressor, monitoring system, and method of monitoring compressorHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2020·Granted Mar 19, 2024·0 cites·15 claims
- 1140US2013038182A1Inverter-driven dynamo electric machine and system, bearing, and end bracket for sameHITACHI LTD·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →