Inventor · disambiguated record
Takahiro Nishikawa
Also filed as: NISHIKAWA TAKAHIRO
40 granted patents·8 pending applications·413 citations·filing 1993–2025
98Inventor score
Top patents by PatentIndex Score
48 records- 0197US5851084ARotor fixtureTSUBAKIMOTO CHAIN CO·Filed 1996·Granted Dec 22, 1998·88 cites·17 claims
- 0292US7585163B2Compression system, multicylinder rotary compressor, and refrigeration apparatus using the sameSANYO ELECTRIC CO·Filed 2008·Granted Sep 8, 2009·11 cites·1 claims
- 0390US7381040B2Compressor having pressure controlled for improving oil distributionSANYO ELECTRIC CO·Filed 2005·Granted Jun 3, 2008·11 cites·3 claims
- 0490US6322339B1Scroll compressorSANYO ELECTRIC CO·Filed 1998·Granted Nov 27, 2001·59 cites·6 claims
- 0587US6431840B1Multistage high pressure compressorSANYO ELECTRIC CO·Filed 2000·Granted Aug 13, 2002·31 cites·6 claims
- 0686US6547534B1Compression apparatusSANYO ELECTRIC CO·Filed 2000·Granted Apr 15, 2003·26 cites·41 claims
- 0784US7632082B2Hermetically sealed compressor and method of manufacturing the sameSANYO ELECTRIC CO·Filed 2008·Granted Dec 15, 2009·7 cites·7 claims
- 0884US7563085B2Multicylinder rotary compressor and compressing system and refrigerating unit provided with sameSANYO ELECTRIC CO·Filed 2005·Granted Jul 21, 2009·9 cites·4 claims
- 0983US7581936B2Hermetically sealed compressor having oil supply mechanism based on refrigerant pressureSANYO ELECTRIC CO·Filed 2006·Granted Sep 1, 2009·9 cites·6 claims
- 1083US7572116B2Compression system, multicylinder rotary compressor, and refrigeration apparatus using the sameSANYO ELECTRIC CO·Filed 2008·Granted Aug 11, 2009·5 cites·3 claims
- 1182US7585162B2Compression system, multicylinder rotary compressor, and refrigeration apparatus using the sameSANYO ELECTRIC CO·Filed 2008·Granted Sep 8, 2009·5 cites·3 claims
- 1282US7488165B2Compressor having back pressure vane controlled for improving oil distributionSANYO ELECTRIC CO·Filed 2007·Granted Feb 10, 2009·6 cites·1 claims
- 1382US6589024B2Reciprocating compressorSANYO ELECTRIC CO·Filed 2001·Granted Jul 8, 2003·16 cites·4 claims
- 1481US7865928B2System and method of audio/video streamingSONY EUROPE LTD·Filed 2007·Granted Jan 4, 2011·15 cites·13 claims
- 1580US7524174B2Compression system, multicylinder rotary compressor, and refrigeration apparatus using the sameSANYO ELECTRIC CO·Filed 2005·Granted Apr 28, 2009·5 cites·2 claims
- 1680US7473081B2Hermetically sealed compressor and method of manufacturing the sameSANYO ELECTRIC CO·Filed 2006·Granted Jan 6, 2009·6 cites·2 claims
- 1780US6692239B2Reciprocating compressorSANYO ELECTRIC CO·Filed 2002·Granted Feb 17, 2004·14 cites·1 claims
- 1878US8469679B2Sealed type rotary compressorOGASAWARA HIROTSUGU·Filed 2010·Granted Jun 25, 2013·4 cites·3 claims
- 1978US7481635B2Shaft seal for rotary type compressorSANYO ELECTRIC CO·Filed 2005·Granted Jan 27, 2009·8 cites·1 claims
- 2078US7114930B2CompressorSANYO ELECTRIC CO·Filed 2005·Granted Oct 3, 2006·7 cites·12 claims
- 2177US11379787B2Evaluation device, evaluation method, and evaluation programHITACHI TRANSPORT SYSTEM·Filed 2016·Granted Jul 5, 2022·3 cites·12 claims
- 2277US7566204B2Multicylindrical rotary compressor, compression system, and freezing device using the compression systemSANYO ELECTRIC CO·Filed 2005·Granted Jul 28, 2009·4 cites·2 claims
- 2376US7762798B2Compressor having different hardness surface between upper surface and receiving surface of top dead center of compression member and vaneSANYO ELECTRIC CO·Filed 2005·Granted Jul 27, 2010·5 cites·4 claims
- 2472US7581937B2Rotary type compressor having an intermediate pressure on a surface side of its compression memberSANYO ELECTRIC CO·Filed 2007·Granted Sep 1, 2009·5 cites·1 claims
- 2569US12427639B2Power toolMAKITA CORP·Filed 2024·Granted Sep 30, 2025·0 cites·15 claims
- 2668US6688854B2Compression apparatusSANYO ELECTRIC CO·Filed 2002·Granted Feb 10, 2004·8 cites·18 claims
- 2766US7985054B2Multicylindrical rotary compressor, compression system, and freezing device using the compression systemSANYO ELECTRIC CO·Filed 2009·Granted Jul 26, 2011·2 cites·4 claims
- 2862US12508700B2Power tool having a hammer mechanismMAKITA CORP·Filed 2025·Granted Dec 30, 2025·0 cites·16 claims
- 2961US7024500B2Data converting apparatus and method, printing apparatus and method, printing controlling apparatus and method, printing system and method, and data transmitting method for converting print dataSONY CORP·Filed 2001·Granted Apr 4, 2006·10 cites·33 claims
- 3061US5498215AReduction gear assemblyFiled 1993·Granted Mar 12, 1996·19 cites·9 claims
- 3160US6666657B2Reciprocating parallel flow compressor with discharge mufflerSANYO ELECTRIC CO·Filed 2002·Granted Dec 23, 2003·4 cites·2 claims
- 3259US7540724B2Compression member and vane of a compressorSANYO ELECTRIC CO·Filed 2005·Granted Jun 2, 2009·2 cites·1 claims
- 3355US2025049276A1Dust collecting attachmentMAKITA CORP·Filed 2024·Application pending·0 cites
- 3451US8690556B2Rotary compressor and manufacturing method of the sameYOSHIDA HIROYUKI·Filed 2010·Granted Apr 8, 2014·0 cites·2 claims
- 3551US2025049275A1Dust collecting attachmentMAKITA CORP·Filed 2024·Application pending·0 cites
- 3651US2009035591A1Flexible laminate having thermoplastic polyimide layer and method for manufacturing the sameKURASHIKI BOSEKI KK·Filed 2008·Application pending·0 cites
- 3750US7736138B2Compressor with continuously inclined surfaceSANYO ELECTRIC CO·Filed 2007·Granted Jun 15, 2010·0 cites·3 claims
- 3850US6666659B2Flywheel attachment for a compressor motorSANYO ELECTRIC CO·Filed 2002·Granted Dec 23, 2003·1 cites·2 claims
- 3948US2014077666A1Axial gap type electric rotating machine, electric wheelchair and electric bicycleYAMAHA MOTOR CO LTD·Filed 2013·Application pending·0 cites
- 4045US5782618ARotary compressor having a round cylinder blockSANYO ELECTRIC CO·Filed 1996·Granted Jul 21, 1998·8 cites·7 claims
- 4143US11943103B2Network system, network management apparatus, and network management method executing setting of a path and parametersSONY CORP·Filed 2019·Granted Mar 26, 2024·0 cites·20 claims
- 4243US2021133655A1Transportation plan generation apparatus and transportation plan generation methodHITACHI TRANSPORT SYSTEM·Filed 2020·Application pending·0 cites
- 4341US6846164B2Multi-cylinder compressor having plural intake ports in a bearing plate and a cover member forming a sealed space over the bearing plateSANYO ELECTRIC CO·Filed 2002·Granted Jan 25, 2005·0 cites·4 claims
- 4440US2010215524A1Sealed type rotary compressorSANYO ELECTRIC CO·Filed 2010·Application pending·0 cites
- 4539US2008022007A1System and method of audio/video streamingSONY CORP·Filed 2007·Application pending·0 cites
- 4636US9148696B2Data transmission system, receiving apparatus, and receiving method as well as sending apparatus and sending methodSAITO TOMONOBU·Filed 2007·Granted Sep 29, 2015·0 cites·11 claims
- 4736US8277202B2Multicylindrical rotary compressorNISHIKAWA TAKAHIRO·Filed 2005·Granted Oct 2, 2012·0 cites·5 claims
- 4831US2004086411A1Compressor-use helical blade and production method therefor, and compressor using this bladeFiled 2002·Application pending·0 cites
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