Inventor · disambiguated record
Sadao Kawahara
Also filed as: KAWAHARA SADAO
19 granted patents·534 citations·filing 1990–2002
96Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD19
Top patents by PatentIndex Score
19 records- 0193US6506032B2Linear compressorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 14, 2003·56 cites·6 claims
- 0285US5597296AScroll compressor having a check valve received in a stationary scroll member recessMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jan 28, 1997·36 cites·8 claims
- 0384US6273688B1Linear compressorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Aug 14, 2001·46 cites·16 claims
- 0483US6565332B2Linear compressorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 20, 2003·24 cites·10 claims
- 0583US5395214AStarting method for scroll-type compressorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Mar 7, 1995·41 cites·2 claims
- 0680US5340287AScroll-type compressor having a plate preventing excess lift of the crankshaftMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Aug 23, 1994·37 cites·7 claims
- 0779US6626651B2Linear compressorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 30, 2003·20 cites·11 claims
- 0879US5213489AScroll compressor with axial vibration prevention for a shaft bearingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted May 25, 1993·41 cites·2 claims
- 0978US6742998B2Linear compressor with vibration canceling spring arrangementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jun 1, 2004·40 cites·9 claims
- 1077US5217359AScroll compressor with regulated oil flow to the back pressure chamberMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Jun 8, 1993·34 cites·3 claims
- 1174US5391066AMotor compressor with lubricant separationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Feb 21, 1995·39 cites·6 claims
- 1272US5536152AScroll compressor having improved orbital drive mechanismMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jul 16, 1996·26 cites·6 claims
- 1368US6328544B1Linear compressorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Dec 11, 2001·25 cites·5 claims
- 1462US5217360AScroll compressor with swirling impeller biased by cooled lubricantMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jun 8, 1993·20 cites·1 claims
- 1559US6250895B1Linear compressorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jun 26, 2001·18 cites·10 claims
- 1658US5562436AScroll compressor having improved orbital drive mechanismMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Oct 8, 1996·16 cites·6 claims
- 1745US5395222AScroll compressor having recesses on the scroll wrapsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Mar 7, 1995·10 cites·3 claims
- 1837US5188521AScroll compressor with reduced vibration resulting from the oldham's ringMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Feb 23, 1993·5 cites·1 claims
- 1930US5634782AScroll compressor having a horseshoe-shaped partition wall on the stationary end plateMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jun 3, 1997·0 cites·2 claims
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