Inventor · disambiguated record
Masayuki Urashin
Also filed as: URASHIN MASAYUKI
10 granted patents·3 pending applications·160 citations·filing 1978–2012
90Inventor score
Files withHITACHI LTD8HITACHI APPLIANCES INC1HITACHI LTD TRUSTEE FOR THE BE1KATO EISUKE1YONEMOTO RYUICHIRO1
Top patents by PatentIndex Score
13 records- 0183US6506039B1Screw compressorHITACHI LTD·Filed 2001·Granted Jan 14, 2003·24 cites·11 claims
- 0282US6554595B2Compressor with oil-mist separatorHITACHI LTD·Filed 2001·Granted Apr 29, 2003·23 cites·21 claims
- 0378US4878820AScrew compressorHITACHI LTD·Filed 1988·Granted Nov 7, 1989·34 cites·12 claims
- 0471US9169840B2Piston operated bypass valve for a screw compressorYONEMOTO RYUICHIRO·Filed 2012·Granted Oct 27, 2015·3 cites·11 claims
- 0570US6884049B2Screw compressor and method of manufacturing rotor for the sameHITACHI LTD·Filed 2002·Granted Apr 26, 2005·10 cites·6 claims
- 0663US6183227B1Screw compressorHITACHI LTD·Filed 1999·Granted Feb 6, 2001·25 cites·5 claims
- 0753US7014437B2Screw compressorHITACHI LTD TRUSTEE FOR THE BE·Filed 2004·Granted Mar 21, 2006·12 cites·6 claims
- 0851US4261180ARefrigeratorHITACHI LTD·Filed 1978·Granted Apr 14, 1981·15 cites·2 claims
- 0950US6257855B1Screw fluid machineHITACHI LTD·Filed 1999·Granted Jul 10, 2001·10 cites·9 claims
- 1043US2008112832A1Hermetic screw compressorKATO EISUKE·Filed 2007·Application pending·0 cites
- 1142US6273693B2Screw compressorHITACHI LTD·Filed 2000·Granted Aug 14, 2001·4 cites·2 claims
- 1239US2005063852A1Screw compressor and method of manufacturing rotor for the sameFiled 2004·Application pending·0 cites
- 1339US2010247366A1Screw compressorHITACHI APPLIANCES INC·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →