Assignee
HITACHI IND CO LTD
JP·13 granted patents·105 citations·filing 2002–2006
Top patents by PatentIndex Score
13 records- 0184US7559742B2Inlet casing and suction passage structureHITACHI IND CO LTD·Filed 2005·Granted Jul 14, 2009·16 cites·6 claims
- 0280US7040845B2Screw compressor and method of manufacturing rotors thereofHITACHI IND CO LTD·Filed 2005·Granted May 9, 2006·6 cites·4 claims
- 0376US7111652B2Mixed liquid manufacturing apparatusHITACHI IND CO LTD·Filed 2004·Granted Sep 26, 2006·21 cites·11 claims
- 0475US7338255B2Turbo-type fluid machine and a stepped seal apparatus to be used thereinHITACHI IND CO LTD·Filed 2005·Granted Mar 4, 2008·14 cites·9 claims
- 0574US7485266B2Micro fluid chipHITACHI IND CO LTD·Filed 2005·Granted Feb 3, 2009·7 cites·8 claims
- 0672US7882632B2Industrial pump and manufacturing method thereofHITACHI IND CO LTD·Filed 2006·Granted Feb 8, 2011·6 cites·5 claims
- 0769US6752019B2Vibration testing apparatus and vibration testing methodHITACHI IND CO LTD·Filed 2003·Granted Jun 22, 2004·14 cites·9 claims
- 0864US7341441B2Nanoprint equipment and method of making fine structureHITACHI IND CO LTD·Filed 2004·Granted Mar 11, 2008·5 cites·6 claims
- 0953US7210895B2Turbo compressor and method of operating the turbo compressorHITACHI IND CO LTD·Filed 2002·Granted May 1, 2007·6 cites·10 claims
- 1051US7052250B2Reciprocating compressorHITACHI IND CO LTD·Filed 2003·Granted May 30, 2006·3 cites·17 claims
- 1149US7044724B2Screw compressor and method of manufacturing rotors thereofHITACHI IND CO LTD·Filed 2003·Granted May 16, 2006·2 cites·8 claims
- 1238US7128523B2Drainage pump and underwater bearing unitHITACHI IND CO LTD·Filed 2004·Granted Oct 31, 2006·3 cites·2 claims
- 1329US7198457B2Single-shaft multistage pumpHITACHI IND CO LTD·Filed 2004·Granted Apr 3, 2007·2 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →