Inventor · disambiguated record
Masanobu Matsubara
Also filed as: MATSUBARA MASANOBU
15 granted patents·10 pending applications·27 citations·filing 1987–2021
88Inventor score
Files withSUMITOMO CHEMICAL CO10TOYO KOHAN CO LTD7HOSODA TOMOYA4TOYO SEIKAN KAISHA LTD2ISHIDA MASATOSHI1
Top patents by PatentIndex Score
25 records- 0173US11753737B2Surface-treated steel sheet, metal container, and method for producing surface-treated steel sheetTOYO KOHAN CO LTD·Filed 2021·Granted Sep 12, 2023·0 cites·4 claims
- 0271US11939693B2Surface-treated steel sheet, metal container, and method for producing surface-treated steel sheetTOYO KOHAN CO LTD·Filed 2021·Granted Mar 26, 2024·0 cites·3 claims
- 0368US8492500B2Method for producing liquid-crystalline polyesterHOSODA TOMOYA·Filed 2012·Granted Jul 23, 2013·1 cites·5 claims
- 0468US5362870AProcess for producing a high purity caprolactamSUMITOMO CHEMICAL CO·Filed 1993·Granted Nov 8, 1994·8 cites·5 claims
- 0561US8501897B2Method for producing liquid-crystalline polyesterHOSODA TOMOYA·Filed 2012·Granted Aug 6, 2013·1 cites·4 claims
- 0658US10309028B2Method for producing surface-treated steel sheet, surface-treated steel sheet, and organic resin coated metal containerTOYO KOHAN CO LTD·Filed 2014·Granted Jun 4, 2019·0 cites·7 claims
- 0758US2012222963A1Surface Treated Metal Materials, Method of Treating the Surfaces Thereof, Resin Coated Metal Materials, Cans and Can LidsISHIDA MASATOSHI·Filed 2012·Application pending·0 cites
- 0857US5525725AProcess for producing a high purity caprolactamSUMITOMO CHEMICAL CO·Filed 1994·Granted Jun 11, 1996·4 cites·7 claims
- 0955US10752791B2Resin solution compositionSUMITOMO CHEMICAL CO·Filed 2016·Granted Aug 25, 2020·0 cites·17 claims
- 1055US2010320216A1Surface-treated tin-plated steel sheet for welded cans and welded cans made therefromTOYO SEIKAN KAISHA LTD·Filed 2008·Application pending·0 cites
- 1154US2018016693A1Surface-treated steel sheet, metal container, and method for producing surface-treated steel sheetTOYO KOHAN CO LTD·Filed 2015·Application pending·0 cites
- 1254US2018010259A1Surface-treated steel sheet, metal container, and method for producing surface-treated steel sheetTOYO KOHAN CO LTD·Filed 2015·Application pending·0 cites
- 1353US5459261AProcess for producing a high purity caprolactamSUMITOMO CHEMICAL CO·Filed 1994·Granted Oct 17, 1995·3 cites·4 claims
- 1451US10899888B2Aromatic polysulfone, prepreg, and method for producing prepregSUMITOMO CHEMICAL CO·Filed 2017·Granted Jan 26, 2021·0 cites·12 claims
- 1551US4816348ASurface treated steel sheet for welded can materialTOYO KOHAN CO LTD·Filed 1987·Granted Mar 28, 1989·8 cites·5 claims
- 1650US10851207B2Aromatic polysulfone, prepreg, and method for producing prepregSUMITOMO CHEMICAL CO·Filed 2017·Granted Dec 1, 2020·0 cites·5 claims
- 1750US8551317B2Method and apparatus for forming oxide coatingKUROKAWA WATARU·Filed 2004·Granted Oct 8, 2013·2 cites·6 claims
- 1850US2021024687A1Aromatic liquid crystal polyester, aromatic liquid crystal polyester composition, and molded articleSUMITOMO CHEMICAL CO·Filed 2019·Application pending·0 cites
- 1948US10400069B2Aromatic polysulfoneSUMITOMO CHEMICAL CO·Filed 2016·Granted Sep 3, 2019·0 cites·6 claims
- 2045US2010300527A1Substrate for compound semiconductor solar cellTOYO KOHAN CO LTD·Filed 2010·Application pending·0 cites
- 2141US2012329975A1Method for producing liquid crystal polyesterHOSODA TOMOYA·Filed 2012·Application pending·0 cites
- 2239US2008057336A1Surface-Treated Metal Materials, Method of Treating the Surfaces Thereof, Resin-Coated Metal Materials, Cans and Can LidsTOYO SEIKAN KAISHA LTD·Filed 2004·Application pending·0 cites
- 2339US2012330053A1Method for producing acylateHOSODA TOMOYA·Filed 2012·Application pending·0 cites
- 2438US2006075959A1Trimethylgallium, a method for producing the same and a gallium nitride thin film grown from the trimethylgalliumSUMITOMO CHEMICAL CO·Filed 2005·Application pending·0 cites
- 2534US10270017B2Laminate film, method for producing laminate film, and LED-mounted substrateSUMITOMO CHEMICAL CO·Filed 2017·Granted Apr 23, 2019·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →