Inventor · disambiguated record
Akira Murayama
Also filed as: MURAYAMA AKIRA
35 granted patents·1 pending application·1,259 citations·filing 1979–2020
98Inventor score
Top patents by PatentIndex Score
36 records- 0198US4774816AAir conditioner or refrigerating plant incorporating scroll compressorHITACHI LTD·Filed 1987·Granted Oct 4, 1988·117 cites·5 claims
- 0297US4818195AScroll compressor with valved port for each compression chamberHITACHI LTD·Filed 1988·Granted Apr 4, 1989·125 cites·5 claims
- 0397US4669962AScroll compressor with pressure differential maintained for supplying oilHITACHI LTD·Filed 1985·Granted Jun 2, 1987·81 cites·5 claims
- 0497US4382370ARefrigerating system using scroll type compressorHITACHI LTD·Filed 1981·Granted May 10, 1983·116 cites·13 claims
- 0596US4268943AElastic roller for image formingCANON KK·Filed 1979·Granted May 26, 1981·26 cites·9 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
- 0888US5211031AScroll type compressor and refrigeration cycle using the sameHITACHI LTD·Filed 1991·Granted May 18, 1993·85 cites·9 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
- 1287US4371319AHermetic motor compressorHITACHI LTD·Filed 1980·Granted Feb 1, 1983·46 cites·14 claims
- 1383US4696629AHermetic scroll compressor with welded casing sectionHITACHI LTD·Filed 1986·Granted Sep 29, 1987·33 cites·4 claims
- 1483US4317270AMethod of making an elastic rollerCANON KK·Filed 1981·Granted Mar 2, 1982·33 cites·8 claims
- 1580US4989414ACapacity-controllable air conditionerHITACHI LTD·Filed 1989·Granted Feb 5, 1991·50 cites·4 claims
- 1678US10481185B2Semiconductor device, semiconductor system, and control method of semiconductor device to monitor a power supply voltageRENESAS ELECTRONICS CORP·Filed 2017·Granted Nov 19, 2019·3 cites·15 claims
- 1778US4714415AScroll compressor with closed compression spaces having valves to reduce starting torqueHITACHI LTD·Filed 1986·Granted Dec 22, 1987·28 cites·4 claims
- 1877US5671154ASignal processing method and signal processing device for ultrasonic inspection apparatusNIPPON KOKAN KK·Filed 1994·Granted Sep 23, 1997·49 cites·21 claims
- 1976US4551082ABearing device of sealed type scroll compressorHITACHI LTD·Filed 1983·Granted Nov 5, 1985·22 cites·7 claims
- 2075US4518324ASealed type electrically operated compressorHITACHI LTD·Filed 1983·Granted May 21, 1985·26 cites·7 claims
- 2170US4557675AScroll-type fluid machine with back pressure chamber biasing an orbiting scroll memberHITACHI LTD·Filed 1984·Granted Dec 10, 1985·22 cites·6 claims
- 2266US4755114ASealed type scroll compressor with wire mesh oil separating memberHITACHI LTD·Filed 1987·Granted Jul 5, 1988·31 cites·16 claims
- 2364US6475956B1Flower-opening promoting agent for plantsAJINOMOTO KK·Filed 2000·Granted Nov 5, 2002·1 cites·21 claims
- 2462US4810176AAnti-rotation mechanism for use with orbiting scroll member of scroll compressorHITACHI LTD·Filed 1987·Granted Mar 7, 1989·19 cites·4 claims
- 2559US4352642AHermetic motor-compressorHITACHI LTD·Filed 1980·Granted Oct 5, 1982·18 cites·12 claims
- 2656US4473343ABearing device for scroll-type compressorHITACHI LTD·Filed 1982·Granted Sep 25, 1984·14 cites·4 claims
- 2754US10884035B2Semiconductor device, semiconductor system, and control method of semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2019·Granted Jan 5, 2021·0 cites·15 claims
- 2854US4579512AScroll-type fluid machine with radial clearance between wrapsHITACHI LTD·Filed 1984·Granted Apr 1, 1986·13 cites·3 claims
- 2952US4749344AOil feeding device for scroll fluid apparatusHITACHI LTD·Filed 1987·Granted Jun 7, 1988·13 cites·4 claims
- 3051US4690625AScroll-type fluid machine with configured wrap edges and groovesHITACHI LTD·Filed 1985·Granted Sep 1, 1987·13 cites·3 claims
- 3149US6143695APlant-root growth promoting agentAJINOMOTO KK·Filed 1997·Granted Nov 7, 2000·4 cites·13 claims
- 3243US6291398B1Plant-root growth promoting agentAJINOMOTO KK·Filed 1999·Granted Sep 18, 2001·2 cites·12 claims
- 3343US4904170AScroll-type fluid machine with different terminal end wrap anglesHITACHI LTD·Filed 1988·Granted Feb 27, 1990·9 cites·8 claims
- 3442US2021252847A1Bottle can and manufacturing method thereofUNIVERSAL CAN CORP·Filed 2020·Application pending·0 cites
- 3541US10288493B2Semiconductor integrated circuit and electronic control unitRENESAS ELECTRONICS CORP·Filed 2016·Granted May 14, 2019·0 cites·16 claims
- 3638US4730997AHermetic 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 →