Inventor · disambiguated record
Hideki Yokoyama
Also filed as: YOKOYAMA HIDEKI
35 granted patents·7 pending applications·451 citations·filing 1979–2020
97Inventor score
Files withSUMITOMO SEIKA CHEMICALS14TDK CORP6BRIDGESTONE TIRE CO LTD5YOKOYAMA HIDEKI4MATSUSHITA ELECTRIC WORKS LTD3
Top patents by PatentIndex Score
42 records- 0191USD265303SVehicle tireBRIDGESTONE TIRE CO LTD·Filed 1980·Granted Jul 6, 1982·28 cites·1 claims
- 0290US6729003B2Process for producing a ceramic electronic componentTDK CORP·Filed 2001·Granted May 4, 2004·42 cites·6 claims
- 0390US6381118B1Ceramic electronic component having electronic component containing cuprous oxideTDK CORP·Filed 2000·Granted Apr 30, 2002·42 cites·9 claims
- 0487US6771485B2Ceramic electronic device, paste coating method, and paste coating apparatusTDK CORP·Filed 2003·Granted Aug 3, 2004·28 cites·13 claims
- 0585US4566748AConnectorMATSUSHITA ELECTRIC WORKS LTD·Filed 1984·Granted Jan 28, 1986·49 cites·12 claims
- 0682US10323105B2Water-absorbent resin and absorbent articleSUMITOMO SEIKA CHEMICALS·Filed 2014·Granted Jun 18, 2019·3 cites·6 claims
- 0777US9982069B2Water-absorbent resin and absorbent articleSUMITOMO SEIKA CHEMICALS·Filed 2014·Granted May 29, 2018·4 cites·3 claims
- 0877US6991287B1Vehicle seat systemMAZDA MOTOR·Filed 2005·Granted Jan 31, 2006·18 cites·5 claims
- 0976US4655529AJack for telephone setMATSUSHITA ELECTRIC WORKS LTD·Filed 1985·Granted Apr 7, 1987·35 cites·5 claims
- 1076USD263946SVehicle tireBRIDGESTONE TIRE CO LTD·Filed 1979·Granted Apr 20, 1982·11 cites·1 claims
- 1175USD265302SVehicle tireBRIDGESTONE TIRE CO LTD·Filed 1980·Granted Jul 6, 1982·13 cites·1 claims
- 1274US5067747AInstrument panel structure of car bodyMAZDA MOTOR·Filed 1990·Granted Nov 26, 1991·35 cites·10 claims
- 1372US6713589B2Phenyl, naphthly or fluorene cyclopentyl epoxy resinsHITACHI CHEMICAL CO LTD·Filed 2001·Granted Mar 30, 2004·17 cites·17 claims
- 1472US4731925AMethod for providing a power connectorMATSUSHITA ELECTRIC WORKS LTD·Filed 1986·Granted Mar 22, 1988·35 cites·3 claims
- 1571US7318868B2Paste coating methodTDK CORP·Filed 2006·Granted Jan 15, 2008·4 cites·2 claims
- 1669USD265306SVehicle tireBRIDGESTONE TIRE CO LTD·Filed 1980·Granted Jul 6, 1982·10 cites·1 claims
- 1768US8859700B2Method for producing a water-absorbent resinYOKOYAMA HIDEKI·Filed 2011·Granted Oct 14, 2014·2 cites·19 claims
- 1864US11136420B2Water-absorbent resin and method of producing water-absorbent resinSUMITOMO SEIKA CHEMICALS·Filed 2020·Granted Oct 5, 2021·0 cites·2 claims
- 1964US2009136736A1Water-absorbing resin suitable for absorbing viscous liquids containing high-molecular compound, and absorbent and absorbent article each comprising the sameSUMITOMO SEIKA CHEMICALS·Filed 2009·Application pending·0 cites
- 2063US9074022B2Process for production of water-absorbent resinYOKOYAMA HIDEKI·Filed 2007·Granted Jul 7, 2015·1 cites·4 claims
- 2160US6956731B2Laminate type electronic componentTDK CORP·Filed 2003·Granted Oct 18, 2005·12 cites·12 claims
- 2260US2007178786A1Water-absorbing resin suitable for absorbing viscous liquids containing high-molecular compound, and absorbent and absorbent article each comprising the sameSUMITOMO SEIKA CHEMICALS·Filed 2007·Application pending·0 cites
- 2358US6228816B1Aqueous cutting fluid, aqueous cutting agent, and process for cutting hard brittle materials with the sameNOF CORP·Filed 1999·Granted May 8, 2001·17 cites·11 claims
- 2457US4766940APneumatic radial tire having an excellent steering stabilityBRIDGESTONE TIRE CO LTD·Filed 1987·Granted Aug 30, 1988·16 cites·7 claims
- 2557US2014094570A1Method for producing a water-absorbent resinSUMITOMO SEIKA CHEMICALS·Filed 2013·Application pending·0 cites
- 2656US2010331802A1Water-absorbent resin suitable for use in hygienic materialsSUMITOMO SEIKA CHEMICALS·Filed 2008·Application pending·0 cites
- 2754US7115302B2Paste coating methodTDK CORP·Filed 2004·Granted Oct 3, 2006·1 cites·1 claims
- 2852US2010273647A1Water-absorbing resin suitable for absorbing viscous liquids containing high-molecular compound, and absorbent and absorbent article each comprising the sameSUMITOMO SEIKA CHEMICALS·Filed 2010·Application pending·0 cites
- 2951US2017210831A1Water-absorbent resin and method of producing water-absorbent resinSUMITOMO SEIKA CHEMICALS·Filed 2014·Application pending·0 cites
- 3049US11420184B2Water-absorbent resin particleSUMITOMO SEIKA CHEMICALS·Filed 2018·Granted Aug 23, 2022·0 cites·5 claims
- 3149US9925294B2Water-absorbent resin and absorbent articleSUMITOMO SEIKA CHEMICALS·Filed 2014·Granted Mar 27, 2018·0 cites·4 claims
- 3248US10525443B2Water-absorbent resin and absorbent articleSUMITOMO SEIKA CHEMICALS·Filed 2014·Granted Jan 7, 2020·0 cites·5 claims
- 3348US9873755B2Method of manufacturing water-absorbent resin, water-absorbent resin, water-absorbing agent and absorbent articleSUMITOMO SEIKA CHEMICALS·Filed 2014·Granted Jan 23, 2018·0 cites·10 claims
- 3448US2003153887A1Water-absorbing resin suitable for absorbing viscous liquids containing high-molecular compound, and absorbent and absorbent article each comprising the sameFiled 2002·Application pending·0 cites
- 3544US4470446AMethod and apparatus for detecting molten metal surface level in a moldKOBE STEEL LTD·Filed 1981·Granted Sep 11, 1984·12 cites·8 claims
- 3641US11241669B2Water-absorbent resin particlesSUMITOMO SEIKA CHEMICALS·Filed 2018·Granted Feb 8, 2022·0 cites·5 claims
- 3741US9102771B2Method for producing a water-absorbent resinYOKOYAMA HIDEKI·Filed 2011·Granted Aug 11, 2015·0 cites·13 claims
- 3841US6033571AActivated sludge treatment method and apparatusSHINKO PANTEC CO LTD·Filed 1998·Granted Mar 7, 2000·10 cites·7 claims
- 3937US6329492B1Phenyl, naphthyl or fluorene cyclopentyl epoxy resinsHITACHI CHEMICAL CO LTD·Filed 1997·Granted Dec 11, 2001·6 cites·15 claims
- 4036US9132413B2Method for producing a water-absorbent resinKIKUNO SACHI·Filed 2011·Granted Sep 15, 2015·0 cites·13 claims
- 4136US8841395B2Method for producing a water-absorbent resinYOKOYAMA HIDEKI·Filed 2011·Granted Sep 23, 2014·0 cites·7 claims
- 4235US8883944B2Method for producing a water-absorbent resinHEGURI ATSUSHI·Filed 2011·Granted Nov 11, 2014·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →