Inventor · disambiguated record
Tetsuya Arata
Also filed as: ARATA TETSUYA
17 granted patents·918 citations·filing 1980–1990
96Inventor score
Files withHITACHI LTD17
Top patents by PatentIndex Score
17 records- 0198US4774816AAir conditioner or refrigerating plant incorporating scroll compressorHITACHI LTD·Filed 1987·Granted Oct 4, 1988·117 cites·5 claims
- 0297US5040958AScroll compressor having changeable axis in eccentric driveHITACHI LTD·Filed 1989·Granted Aug 20, 1991·78 cites·1 claims
- 0397US4818195AScroll compressor with valved port for each compression chamberHITACHI LTD·Filed 1988·Granted Apr 4, 1989·125 cites·5 claims
- 0497US4669962AScroll compressor with pressure differential maintained for supplying oilHITACHI LTD·Filed 1985·Granted Jun 2, 1987·81 cites·5 claims
- 0597US4382370ARefrigerating system using scroll type compressorHITACHI LTD·Filed 1981·Granted May 10, 1983·116 cites·13 claims
- 0696US4596520AHermetic scroll compressor with pressure differential control means for a back-pressure chamberHITACHI LTD·Filed 1984·Granted Jun 24, 1986·85 cites·13 claims
- 0787US4371319AHermetic motor compressorHITACHI LTD·Filed 1980·Granted Feb 1, 1983·46 cites·14 claims
- 0885US4649611AMethod of and apparatus for positioning compressor scroll memberHITACHI LTD·Filed 1985·Granted Mar 17, 1987·38 cites·9 claims
- 0982US4603556AControl method and apparatus for an air conditioner using a heat pumpHITACHI LTD·Filed 1985·Granted Aug 5, 1986·51 cites·12 claims
- 1080US4802831AFluid machine with resin-coated scroll membersHITACHI LTD·Filed 1987·Granted Feb 7, 1989·46 cites·19 claims
- 1173US5037279AScroll fluid machine having wrap start portion with thick base and thin tipHITACHI LTD·Filed 1989·Granted Aug 6, 1991·23 cites·4 claims
- 1270US5125810AScroll compressor with a stationary and orbiting member of different materialHITACHI LTD·Filed 1990·Granted Jun 30, 1992·26 cites·2 claims
- 1370US4557675AScroll-type fluid machine with back pressure chamber biasing an orbiting scroll memberHITACHI LTD·Filed 1984·Granted Dec 10, 1985·22 cites·6 claims
- 1466US4411600AHermetic motor compressorHITACHI LTD·Filed 1980·Granted Oct 25, 1983·23 cites·6 claims
- 1562US4810176AAnti-rotation mechanism for use with orbiting scroll member of scroll compressorHITACHI LTD·Filed 1987·Granted Mar 7, 1989·19 cites·4 claims
- 1652US4749344AOil feeding device for scroll fluid apparatusHITACHI LTD·Filed 1987·Granted Jun 7, 1988·13 cites·4 claims
- 1743US4904170AScroll-type fluid machine with different terminal end wrap anglesHITACHI LTD·Filed 1988·Granted Feb 27, 1990·9 cites·8 claims
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