Inventor · disambiguated record
Naoshi Uchikawa
Also filed as: UCHIKAWA NAOSHI
22 granted patents·1,203 citations·filing 1981–1991
97Inventor score
Files withHITACHI LTD22
Top patents by PatentIndex Score
22 records- 0199US4496296ADevice for pressing orbiting scroll member in scroll type fluid machineHITACHI LTD·Filed 1983·Granted Jan 29, 1985·150 cites·26 claims
- 0298US4774816AAir conditioner or refrigerating plant incorporating scroll compressorHITACHI LTD·Filed 1987·Granted Oct 4, 1988·117 cites·5 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
- 0694US4596521AScroll fluid apparatusHITACHI LTD·Filed 1983·Granted Jun 24, 1986·61 cites·1 claims
- 0793US4560330AScroll device with suction chamber pressure reliefHITACHI LTD·Filed 1984·Granted Dec 24, 1985·60 cites·10 claims
- 0891US5094598ACapacity controllable compressor apparatusHITACHI LTD·Filed 1990·Granted Mar 10, 1992·90 cites·29 claims
- 0988US4743181AScroll-type fluid machine with seal to aid lubricationHITACHI LTD·Filed 1986·Granted May 10, 1988·41 cites·15 claims
- 1088US4545747AScroll-type compressorHITACHI LTD·Filed 1983·Granted Oct 8, 1985·44 cites·2 claims
- 1187US5017108AScroll compressor with first and second oil pumps in seriesHITACHI LTD·Filed 1990·Granted May 21, 1991·48 cites·3 claims
- 1280US5127809AScroll compressor with reinforcing ribs on the orbiting scrollHITACHI LTD·Filed 1991·Granted Jul 7, 1992·38 cites·3 claims
- 1380US4989414ACapacity-controllable air conditionerHITACHI LTD·Filed 1989·Granted Feb 5, 1991·50 cites·4 claims
- 1478US4714415AScroll compressor with closed compression spaces having valves to reduce starting torqueHITACHI LTD·Filed 1986·Granted Dec 22, 1987·28 cites·4 claims
- 1576US4551082ABearing device of sealed type scroll compressorHITACHI LTD·Filed 1983·Granted Nov 5, 1985·22 cites·7 claims
- 1675US4518324ASealed type electrically operated compressorHITACHI LTD·Filed 1983·Granted May 21, 1985·26 cites·7 claims
- 1770US4557675AScroll-type fluid machine with back pressure chamber biasing an orbiting scroll memberHITACHI LTD·Filed 1984·Granted Dec 10, 1985·22 cites·6 claims
- 1867US4487560AScroll fluid compressor with surface finished flat plates engaging the wrapsHITACHI LTD·Filed 1982·Granted Dec 11, 1984·20 cites·13 claims
- 1966US4755114ASealed type scroll compressor with wire mesh oil separating memberHITACHI LTD·Filed 1987·Granted Jul 5, 1988·31 cites·16 claims
- 2056US4473343ABearing device for scroll-type compressorHITACHI LTD·Filed 1982·Granted Sep 25, 1984·14 cites·4 claims
- 2151US4690625AScroll-type fluid machine with configured wrap edges and groovesHITACHI LTD·Filed 1985·Granted Sep 1, 1987·13 cites·3 claims
- 2238US4730997AHermetic scroll compressor having concave spaces communicating with a delivery portHITACHI LTD·Filed 1986·Granted Mar 15, 1988·6 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →