Inventor · disambiguated record
Yuji Kubo
Also filed as: KUBO YUJI
43 granted patents·19 pending applications·396 citations·filing 1985–2025
98Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES12TOPPAN PRINTING CO LTD9NIPPON STEEL CORP5MITSUBISHI ELECTRIC CORP3NIPPON STEEL & SUMITOMO METAL CORP3
Top patents by PatentIndex Score
62 records- 0195US7471182B2Core having superior end face insulation and method of treating core end faces to give insulation coatingNIPPON STEEL CORP·Filed 2007·Granted Dec 30, 2008·38 cites·4 claims
- 0289US7942982B2Grain-oriented electrical steel sheet excellent in coating adhesion and method of producing the sameNIPPON STEEL CORP·Filed 2007·Granted May 17, 2011·8 cites·6 claims
- 0384US7951458B2Coating solution for forming flat-surface insulating film, flat-surface insulating film-coated substrate, and production method of a flat-surface insulating film-coated substrateNIPPON STEEL MATERIALS CO LTD·Filed 2008·Granted May 31, 2011·11 cites·11 claims
- 0484US7887646B2Oriented magnetic steel plate excellent in coating adhesion and method of production of sameNIPPON STEEL CORP·Filed 2006·Granted Feb 15, 2011·5 cites·3 claims
- 0579US6567596B2Optical fiber suitable for use in WDM transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted May 20, 2003·20 cites·10 claims
- 0678US9028683B2Packing material with excellent hydrophilicity and process for producing the sameKOMIYA KATSUO·Filed 2006·Granted May 12, 2015·5 cites·12 claims
- 0778US6465099B1Vinyl chloride fiber and process of producing the sameKANEKA CORP·Filed 2001·Granted Oct 15, 2002·13 cites·10 claims
- 0877US5559921ASingle mode optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Sep 24, 1996·46 cites·15 claims
- 0976US8961717B2Stainless steel foil for flexible display useNIPPON STEEL MATERIALS CO LTD·Filed 2014·Granted Feb 24, 2015·1 cites·5 claims
- 1076US6743099B2Video game machine, player character action control method, and video game programKONAMI CORP·Filed 2002·Granted Jun 1, 2004·36 cites·21 claims
- 1175US8384897B2Method of analyzing particle size distribution of particles in metal materialNIPPON STEEL & SUMITOMO METAL CORP·Filed 2009·Granted Feb 26, 2013·4 cites·9 claims
- 1275US8101249B2Retardation substrate, method of manufacturing the same, and liquid crystal displayAKAO SOSUKE·Filed 2010·Granted Jan 24, 2012·3 cites·8 claims
- 1374US8961713B2Stainless steel foil for flexible display useYAMADA NORIKO·Filed 2009·Granted Feb 24, 2015·3 cites·1 claims
- 1473US7173509B2Core having superior end face insulation and method of treating core end faces to give insulation coatingNITTETSU PLANT DESIGNING CORP·Filed 2002·Granted Feb 6, 2007·12 cites·4 claims
- 1573US6771864B2Optical fiber transmission line, optical cable, and optical transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Aug 3, 2004·14 cites·31 claims
- 1671US7948590B2Retardation substrate, semi-transparent liquid crystal display, and method for manufacturing retardation substrateTOPPAN PRINTING CO LTD·Filed 2010·Granted May 24, 2011·2 cites·24 claims
- 1770US2024279717A1Method of detecting target substanceTOPPAN HOLDINGS INC·Filed 2024·Application pending·0 cites
- 1869US12038275B2Power generation element, and magnetic sensor, encoder, and motor using the sameMITSUBISHI ELECTRIC CORP·Filed 2021·Granted Jul 16, 2024·0 cites·20 claims
- 1968US6490397B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Dec 3, 2002·10 cites·5 claims
- 2064US4761542AAutomatic money receiving and paying method and apparatusHITACHI LTD·Filed 1985·Granted Aug 2, 1988·58 cites·17 claims
- 2161US12050921B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2022·Granted Jul 30, 2024·0 cites·12 claims
- 2261US6669532B1Device and method for cool air cooling type machiningTOYOTA MOTOR CO LTD·Filed 1998·Granted Dec 30, 2003·29 cites·20 claims
- 2360US7682706B2Precoated metal sheet with little affect on environmentNIPPON STEEL CORP·Filed 2004·Granted Mar 23, 2010·1 cites·7 claims
- 2460US6853784B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Feb 8, 2005·6 cites·18 claims
- 2559US7291230B2Grain-oriented electrical steel sheet extremely excellent in film adhesiveness and method for producing the sameNIPPON STEEL CORP·Filed 2003·Granted Nov 6, 2007·3 cites·23 claims
- 2658US9997786B2Steel foil and method for manufacturing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Jun 12, 2018·0 cites·9 claims
- 2757US10201953B2Steel foil and method for manufacturing the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Feb 12, 2019·0 cites·8 claims
- 2857US6328636B1Device and method for machining in which cool air cooling is usedTOYOTA MOTOR CO LTD·Filed 1998·Granted Dec 11, 2001·19 cites·17 claims
- 2956US2010060845A1Retardation substrate, method of manufacturing the same, and liquid crystal displayTOPPAN PRINTING CO LTD·Filed 2009·Application pending·0 cites
- 3055US6856738B2Optical fiber and optical transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Feb 15, 2005·4 cites·15 claims
- 3155US2009128743A1Retardation substrate, method of manufacturing the same, and liquid crystal displayTOPPAN PRINTING CO LTD·Filed 2009·Application pending·0 cites
- 3254US6687443B2Optical fiber transmission line, optical cable, and optical transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Feb 3, 2004·4 cites·34 claims
- 3354US2025138941A1Semiconductor device, reading method and programRENESAS ELECTRONICS CORP·Filed 2024·Application pending·0 cites
- 3453US11913813B2Power generation element, magnetic sensor, encoder, and motorMITSUBISHI ELECTRIC CORP·Filed 2021·Granted Feb 27, 2024·0 cites·19 claims
- 3552US6748152B2Optical transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Jun 8, 2004·2 cites·7 claims
- 3651US2010143743A1Stainless steel substrate with conductive metal layer, hard disk suspension material and hard disk suspension manufactured by using the materialNIPPON STEEL MATERIALS CO LTD·Filed 2007·Application pending·0 cites
- 3751US2009279042A1Retardation substrate, method of manufacturing the same, and liquid crystal displayTOPPAN PRINTING CO LTD·Filed 2009·Application pending·0 cites
- 3851US2025164470A1Evaluation method, complex, and kitTOPPAN HOLDINGS INC·Filed 2025·Application pending·0 cites
- 3949US2008141725A1Optical fiber and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2008·Application pending·0 cites
- 4049US2025055353A1Absolute encoder and electric motorMITSUBISHI ELECTRIC CORP·Filed 2022·Application pending·0 cites
- 4147US9177690B2Insulating film-coated metal foilOGURA TOYOSHI·Filed 2012·Granted Nov 3, 2015·0 cites·4 claims
- 4247US6312804B1Vinyl chloride fibers and process for preparing the sameKANEKA CORP·Filed 1998·Granted Nov 6, 2001·10 cites·6 claims
- 4346US7366383B2Optical fiber and method of manufacturing the optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Apr 29, 2008·0 cites·9 claims
- 4446US2007153423A1Substrate material for an hdd suspensionSHOJI HIROMASA·Filed 2004·Application pending·0 cites
- 4544US8586190B2Inorganic—organic hybrid-film-coated stainless-steel foilKAWAKAMI KEIKO·Filed 2010·Granted Nov 19, 2013·0 cites·7 claims
- 4644US6711335B1Heat resistant optical fiber coreSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Mar 23, 2004·10 cites·6 claims
- 4744US2010050894A1Printed Matter and Method for Manufacturing Printed MatterTOPPAN PRINTING CO LTD·Filed 2009·Application pending·0 cites
- 4843US2015352606A1Coating film removing apparatusTOPPAN PRINTING CO LTD·Filed 2015·Application pending·0 cites
- 4941US2003040364A1Fighting game programKONAMI CORP·Filed 2002·Application pending·0 cites
- 5040US2001048539A1Optical transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Application pending·0 cites
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →