Inventor · disambiguated record
Noboru Tsuboi
Also filed as: TSUBOI NOBORU
37 granted patents·432 citations·filing 1986–2018
97Inventor score
Top patents by PatentIndex Score
37 records- 0195US10234183B2Compressing deviceKOBE STEEL LTD·Filed 2015·Granted Mar 19, 2019·15 cites·7 claims
- 0294US4781553AScrew vacuum pump with lubricated bearings and a plurality of shaft sealing meansKOBE STEEL LTD·Filed 1987·Granted Nov 1, 1988·85 cites·2 claims
- 0390US9945267B2Heat-collecting-type power generation systemKOBE STEEL LTD·Filed 2016·Granted Apr 17, 2018·4 cites·9 claims
- 0485US9083215B2Power generation apparatusKOBE STEEL LTD·Filed 2012·Granted Jul 14, 2015·6 cites·6 claims
- 0582US9500101B2Power generation apparatus including lubricant separation memberKOBE STEEL LTD·Filed 2013·Granted Nov 22, 2016·4 cites·6 claims
- 0682US9062678B2Hermetically sealed compressorTSUBOI NOBORU·Filed 2011·Granted Jun 23, 2015·3 cites·4 claims
- 0782US6045344AOil-cooled type screw compressorKOBE STEEL LTD·Filed 1998·Granted Apr 4, 2000·45 cites·4 claims
- 0881US8039751B2Motor and compressor with the sameKOBE STEEL LTD·Filed 2010·Granted Oct 18, 2011·5 cites·6 claims
- 0980US5199858AOil injection type screw compressorKOBE STEEL LTD·Filed 1991·Granted Apr 6, 1993·38 cites·4 claims
- 1080US4826412AMechanically driven screw superchargerKOBE STEEL LTD·Filed 1988·Granted May 2, 1989·34 cites·3 claims
- 1179US8205469B2Two-stage screw compressor and refrigerating deviceTSUBOI NOBORU·Filed 2009·Granted Jun 26, 2012·6 cites·7 claims
- 1276US8790100B2Screw expanderTSUBOI NOBORU·Filed 2011·Granted Jul 29, 2014·2 cites·5 claims
- 1375US11053942B2Screw compressorKOBE STEEL LTD·Filed 2017·Granted Jul 6, 2021·1 cites·13 claims
- 1475US4695233AScrew rotor mechanismKOBE STEEL LTD·Filed 1986·Granted Sep 22, 1987·27 cites·1 claims
- 1574US8622725B2Mechanical compression ratio changing screw compressorTSUBOI NOBORU·Filed 2011·Granted Jan 7, 2014·2 cites·11 claims
- 1674US8006514B2Refrigerating deviceKOBE STEEL LTD·Filed 2009·Granted Aug 30, 2011·6 cites·9 claims
- 1771US4808095AScrew vacuum pumpKOBE STEEL LTD·Filed 1987·Granted Feb 28, 1989·22 cites·4 claims
- 1869US10626754B2Compression deviceKOBE STEEL LTD·Filed 2015·Granted Apr 21, 2020·1 cites·14 claims
- 1969US4995797ARotary screw vacuum pump with pressure controlled valve for lubrication/sealing fluidKOBE STEEL LTD·Filed 1989·Granted Feb 26, 1991·28 cites·2 claims
- 2066US4957417AVertical oilless screw vacuum pumpKOBE STEEL LTD·Filed 1989·Granted Sep 18, 1990·18 cites·2 claims
- 2163US10358948B2Thermal energy recovery deviceKOBE STEEL LTD·Filed 2018·Granted Jul 23, 2019·0 cites·12 claims
- 2261US7104772B2Screw compressorKOBE STEEL LTD·Filed 2003·Granted Sep 12, 2006·9 cites·9 claims
- 2358US6755039B2Screw refrigerating apparatusKOBE STEEL LTD·Filed 2003·Granted Jun 29, 2004·8 cites·7 claims
- 2456US4812110AOil-free screw compressor with bypass of cooled discharged gasKOBE STEEL LTD·Filed 1987·Granted Mar 14, 1989·14 cites·1 claims
- 2555US8739537B2Power generation apparatusTSUBOI NOBORU·Filed 2012·Granted Jun 3, 2014·0 cites·4 claims
- 2654US6082985AScrew compressorKOBE STEEL LTD·Filed 1998·Granted Jul 4, 2000·12 cites·2 claims
- 2753US9932829B2ExpanderKOBE STEEL LTD·Filed 2014·Granted Apr 3, 2018·0 cites·7 claims
- 2852US9618020B2Power generation apparatus and power generation systemKOBE STEEL LTD·Filed 2014·Granted Apr 11, 2017·0 cites·6 claims
- 2952US8794001B2Power generation apparatusTSUBOI NOBORU·Filed 2012·Granted Aug 5, 2014·0 cites·4 claims
- 3051US10605123B2Thermal energy recovery device and operating method of the sameKOBE STEEL LTD·Filed 2017·Granted Mar 31, 2020·0 cites·9 claims
- 3150US6484522B2Screw compressor for refrigerating apparatusKOBE STEEL LTD·Filed 2001·Granted Nov 26, 2002·3 cites·11 claims
- 3249US5044906AScrew rotor for screw pump device having negative torque on the female rotorKOBE STEEL LTD·Filed 1990·Granted Sep 3, 1991·11 cites·1 claims
- 3349US4951638AScrew type mechanical superchargerKOBE STEEL LTD·Filed 1989·Granted Aug 28, 1990·10 cites·5 claims
- 3447US8904818B2RefrigeratorTSUBOI NOBORU·Filed 2011·Granted Dec 9, 2014·0 cites·4 claims
- 3545US5018947AScrew type vacuum pumpKOBE STEEL LTD·Filed 1989·Granted May 28, 1991·9 cites·3 claims
- 3644US9771835B2Flow rate control of heat energy recovery device including oil separatorKOBE STEEL LTD·Filed 2015·Granted Sep 26, 2017·0 cites·11 claims
- 3730US4671750AScrew rotor mechanism with specific tooth profileKOBE STEEL LTD·Filed 1986·Granted Jun 9, 1987·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →