Assignee
HITACHI AIR CONDITIONING SYS
JP·7 granted patents·76 citations·filing 2000–2006
Top patents by PatentIndex Score
7 records- 0190US6408645B1Air-conditioner, outdoor unit and refrigeration unitHITACHI AIR CONDITIONING SYS·Filed 2001·Granted Jun 25, 2002·40 cites·4 claims
- 0288US7437882B2Apparatus for driving a compressor and a refrigerating air conditionerHITACHI AIR CONDITIONING SYS·Filed 2005·Granted Oct 21, 2008·10 cites·9 claims
- 0372US6422844B2Screw compressorHITACHI AIR CONDITIONING SYS·Filed 2000·Granted Jul 23, 2002·14 cites·6 claims
- 0468US7438539B2Hermetic type scroll compressor and refrigerating and air-conditioning apparatusHITACHI AIR CONDITIONING SYS·Filed 2006·Granted Oct 21, 2008·5 cites·9 claims
- 0553US6926075B2Plate type heat exchangerHITACHI AIR CONDITIONING SYS·Filed 2003·Granted Aug 9, 2005·2 cites·13 claims
- 0645US6516629B2Refrigeration cycleHITACHI AIR CONDITIONING SYS·Filed 2002·Granted Feb 11, 2003·3 cites·5 claims
- 0744US6634875B2Scroll compressor having an Oldham's ring containing silicon particlesHITACHI AIR CONDITIONING SYS·Filed 2002·Granted Oct 21, 2003·2 cites·9 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →