Inventor · disambiguated record
Tsutomu Shibata
Also filed as: SHIBATA TSUTOMU
51 granted patents·14 pending applications·716 citations·filing 1975–2022
98Inventor score
Top patents by PatentIndex Score
65 records- 0196US10033163B1Spark plugNGK SPARK PLUG CO·Filed 2018·Granted Jul 24, 2018·8 cites·7 claims
- 0294US9853423B1Spark plugNGK SPARK PLUG CO·Filed 2017·Granted Dec 26, 2017·11 cites·5 claims
- 0393US5111410AMotion analyzing/advising systemOH YOH KEISOKU KENKYUSHO KK·Filed 1990·Granted May 5, 1992·371 cites·23 claims
- 0493US4467462ASignal detection system for use in an optically reproducing apparatusOLYMPUS OPTICAL CO·Filed 1981·Granted Aug 21, 1984·46 cites·24 claims
- 0588US9705292B2Spark plug and method for producing the sameNGK SPARK PLUG CO·Filed 2016·Granted Jul 11, 2017·3 cites·5 claims
- 0687US7437189B2Iontophoresis deviceTTI ELLEBEAU INC·Filed 2005·Granted Oct 14, 2008·69 cites·10 claims
- 0786US7388323B2Spark plugNGK SPARK PLUG CO·Filed 2005·Granted Jun 17, 2008·10 cites·7 claims
- 0886US4090243AColor separating method and apparatus using statistical techniquesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1976·Granted May 16, 1978·41 cites·22 claims
- 0984US6680561B2Spark plugNGK SPARK PLUG CO·Filed 2002·Granted Jan 20, 2004·21 cites·20 claims
- 1081US10312669B2Spark plugNGK SPARK PLUG CO·Filed 2016·Granted Jun 4, 2019·1 cites·7 claims
- 1181US4372504AMagnetic record tape protective device for a tape cassetteOLYMPUS OPTICAL CO·Filed 1980·Granted Feb 8, 1983·24 cites·18 claims
- 1278US7365480B2Spark plugNGK SPARK PLUG CO·Filed 2005·Granted Apr 29, 2008·6 cites·10 claims
- 1375US7974721B2Fabrication aiding apparatusG C DENTAL IND CORP·Filed 2007·Granted Jul 5, 2011·4 cites·16 claims
- 1474US8307200B2Apparatus, method and computer program product for authenticating communication terminalTANIZAWA YOSHIMICHI·Filed 2007·Granted Nov 6, 2012·6 cites·18 claims
- 1570US12128753B2Lower structure for hybrid automobileMAZDA MOTOR·Filed 2022·Granted Oct 29, 2024·0 cites·12 claims
- 1670US9065684B2IP phone terminal, server, authenticating apparatus, communication system, communication method, and recording mediumTANIZAWA YOSHIMICHI·Filed 2009·Granted Jun 23, 2015·3 cites·9 claims
- 1770US7984159B2Apparatus, method, and terminal apparatus for maintaining connectionTOSHIBA KK·Filed 2007·Granted Jul 19, 2011·4 cites·16 claims
- 1869US8350842B2Fabrication aiding apparatusG C DENTAL IND CORP·Filed 2007·Granted Jan 8, 2013·1 cites·4 claims
- 1966US7402941B2Spark plugNGK SPARK PLUG CO·Filed 2005·Granted Jul 22, 2008·3 cites·9 claims
- 2063US11465672B2Steering deviceNSK LTD·Filed 2021·Granted Oct 11, 2022·0 cites·13 claims
- 2163US8583794B2Apparatus, method, and computer program product for registering user address informationTANIZAWA YOSHIMICHI·Filed 2008·Granted Nov 12, 2013·2 cites·19 claims
- 2261US9887519B1Spark plugNGK SPARK PLUG CO·Filed 2017·Granted Feb 6, 2018·0 cites·5 claims
- 2361US8878424B2Spark plugSUMOYAMA DAISUKE·Filed 2012·Granted Nov 4, 2014·1 cites·9 claims
- 2461US8299694B2Spark plug having improved adhesion between resistor and glass sealing layerSUZUKI AKIRA·Filed 2009·Granted Oct 30, 2012·2 cites·9 claims
- 2560US8217563B2Spark plug for internal combustion engine and method of manufacturing the sameSHIBATA TSUTOMU·Filed 2009·Granted Jul 10, 2012·2 cites·14 claims
- 2656US9948068B2Spark plugNGK SPARK PLUG CO·Filed 2014·Granted Apr 17, 2018·0 cites·6 claims
- 2756US8092269B2Method of manufacturing spark plugSHIBATA TSUTOMU·Filed 2009·Granted Jan 10, 2012·2 cites·8 claims
- 2855US5743050ATraining room serving also as bed roomFiled 1995·Granted Apr 28, 1998·25 cites·5 claims
- 2954US8294345B2Spark plug and resistor compositionYOSHIDA HARUKI·Filed 2009·Granted Oct 23, 2012·0 cites·7 claims
- 3054US7626320B2Spark plug with excellent impact resistance conductive seal, and method for producing the sameNGK SPARK PLUG CO·Filed 2004·Granted Dec 1, 2009·5 cites·17 claims
- 3153US5298200ADental refractory model materialsG C DENTAL IND CORP·Filed 1993·Granted Mar 29, 1994·13 cites·5 claims
- 3252US4180330AMethod of and a system for color separationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1977·Granted Dec 25, 1979·8 cites·8 claims
- 3351US8853928B2Spark plug electrode, method for producing same, spark plug, and method for producing spark plugTANAKA TOMO-O·Filed 2011·Granted Oct 7, 2014·0 cites·15 claims
- 3450US2004242214A1Call saving method and telephone switchboard used in telephone switching systemTOSHIBA KK·Filed 2004·Application pending·0 cites
- 3549US8664842B2Spark plugTANAKA TOMOO·Filed 2011·Granted Mar 4, 2014·0 cites·5 claims
- 3649US2009300197A1Internet Protocol Communication System, Server Unit, Terminal Device, and Authentication MethodTOSHIBA KK·Filed 2009·Application pending·0 cites
- 3748US8866370B2Spark plugSHIBATA TSUTOMU·Filed 2011·Granted Oct 21, 2014·0 cites·10 claims
- 3848US8492962B2Spark plug for internal combustion engineSHIBATA TSUTOMU·Filed 2009·Granted Jul 23, 2013·0 cites·11 claims
- 3948US4352473ATape cassetteOLYMPUS OPTICAL CO·Filed 1980·Granted Oct 5, 1982·6 cites·8 claims
- 4048US2009168642A1Telephone system, and node device and rerouting method for the systemTOSHIBA KK·Filed 2008·Application pending·0 cites
- 4147US9191406B2Message relaying apparatus, communication establishing method, and computer program productTANIZAWA YOSHIMICHI·Filed 2007·Granted Nov 17, 2015·0 cites·15 claims
- 4247US8861380B2Terminal, method, and computer program product for registering user address informationTANIZAWA YOSHIMICHI·Filed 2008·Granted Oct 14, 2014·0 cites·10 claims
- 4347US2008267371A1Telephone system and communication terminalTOSHIBA KK·Filed 2008·Application pending·0 cites
- 4446US8729783B2Spark plug electrode, method for producing same, spark plug, and method for producing spark plugTANAKA TOMO-O·Filed 2011·Granted May 20, 2014·0 cites·15 claims
- 4546US8601568B2Communication system for authenticating or relaying network access, relaying apparatus, authentication apparatus, and communication methodTANIZAWA YOSHIMICHI·Filed 2008·Granted Dec 3, 2013·0 cites·11 claims
- 4646US8140844B2Server apparatus, terminal device, and method for performing IP multicast communicationTANIZAWA YOSHIMICHI·Filed 2007·Granted Mar 20, 2012·0 cites·16 claims
- 4746US6204277B1Propionic acid derivatives and applications thereofJAPAN TOBACCO INC·Filed 1997·Granted Mar 20, 2001·9 cites·7 claims
- 4846US2008101346A1Telephone system and its encryption processing methodTOSHIBA KK·Filed 2007·Application pending·0 cites
- 4946US2009016339A1Apparatus, method, and computer program product for relaying messagesTANIZAWA YOSHIMICHI·Filed 2008·Application pending·0 cites
- 5045US2007286168A1Terminal apparatusTOSHIBA KK·Filed 2007·Application pending·0 cites
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →