Assignee
SEKISUI KASEI CO LTD
JP·22 granted patents·23 pending applications·4 citations·filing 2017–2024
Top patents by PatentIndex Score
45 records- 0191US11332572B2Spherical polyester resin particles and method for producing sameSEKISUI KASEI CO LTD·Filed 2018·Granted May 17, 2022·2 cites·11 claims
- 0286US2024287228A1Hollow polymer particles and method for manufacturing sameSEKISUI KASEI CO LTD·Filed 2024·Application pending·0 cites
- 0384US12534600B2Hollow resin particle and method for producing sameSEKISUI KASEI CO LTD·Filed 2024·Granted Jan 27, 2026·0 cites·7 claims
- 0481US10829607B2Molded foam of ester-based elastomer, uses thereof, and expanded beads of ester-based elastomerSEKISUI KASEI CO LTD·Filed 2017·Granted Nov 10, 2020·1 cites·12 claims
- 0574US11396566B2Fluorescent resin particles and use thereofSEKISUI KASEI CO LTD·Filed 2017·Granted Jul 26, 2022·1 cites·12 claims
- 0671US2022041775A1Hollow polymer particles and method for manufacturing sameSEKISUI KASEI CO LTD·Filed 2019·Application pending·0 cites
- 0769US12031017B2Hollow resin particle and method for producing sameSEKISUI KASEI CO LTD·Filed 2020·Granted Jul 9, 2024·0 cites·8 claims
- 0869US11834564B2Molded foam of ester-based elastomer, uses thereof, and expanded beads of ester-based elastomerSEKISUI KASEI CO LTD·Filed 2020·Granted Dec 5, 2023·0 cites·12 claims
- 0966US2024400796A1Hollow resin particle, method for producing same, and use thereofSEKISUI KASEI CO LTD·Filed 2024·Application pending·0 cites
- 1064US10876010B2Composite particles, method for producing composite particles, and use thereofSEKISUI KASEI CO LTD·Filed 2018·Granted Dec 29, 2020·0 cites·3 claims
- 1164US2024158553A1Fine resin particle, coating film-softening agent, matting agent for paints, stress reliever for curable resins, light diffuser, light diffusing resin composition, and resin compositionSEKISUI KASEI CO LTD·Filed 2022·Application pending·0 cites
- 1264US2024124702A1Fine resin particle and fine resin particle-containing compositionSEKISUI KASEI CO LTD·Filed 2022·Application pending·0 cites
- 1363US12104041B2Biodegradable resin particles and external preparation including the sameSEKISUI KASEI CO LTD·Filed 2020·Granted Oct 1, 2024·0 cites·8 claims
- 1463US2024018286A1Fine resin particle and application thereofSEKISUI KASEI CO LTD·Filed 2021·Application pending·0 cites
- 1562US12545754B2Polymer particles, thickener, and compositionSEKISUI KASEI CO LTD·Filed 2020·Granted Feb 10, 2026·0 cites·7 claims
- 1661US12590208B2Thermoplastic resin foam, thermoplastic resin foam sheet, fiber-reinforced resin composite, method for manufacturing thermoplastic resin foam, thermoplastic resin foam molded article, method for manufacturing thermoplastic resin foam molded article, and foamed resin compositeSEKISUI KASEI CO LTD·Filed 2021·Granted Mar 31, 2026·0 cites·29 claims
- 1761US12325766B2Fine resin particles and method for producing the sameSEKISUI KASEI CO LTD·Filed 2020·Granted Jun 10, 2025·0 cites·12 claims
- 1861US2025195717A1HydrogelSEKISUI KASEI CO LTD·Filed 2023·Application pending·0 cites
- 1958US12305014B2Expanded particles and expanded molded articleSEKISUI KASEI CO LTD·Filed 2019·Granted May 20, 2025·0 cites·13 claims
- 2058US2025346717A1Foamed thermoplastic resin particles, molded body of foamed thermoplastic resin particles, foamed resin composite, method for producing foamed thermoplastic resin particles, and method for producing molded body of foamed thermoplastic resin particlesSEKISUI KASEI CO LTD·Filed 2023·Application pending·0 cites
- 2157US2024158598A1Foamed particles of aromatic polyester resin, production method therefor, molded foam, and member for vehicleSEKISUI KASEI CO LTD·Filed 2022·Application pending·0 cites
- 2256US2024174780A1Hollow particles and use thereofSEKISUI KASEI CO LTD·Filed 2022·Application pending·0 cites
- 2355US2024166790A1Composite resin particles, composite resin foaming particles, and foam molded bodySEKISUI KASEI CO LTD·Filed 2022·Application pending·0 cites
- 2454US2025109268A1Aromatic polyester-based resin foam particle and method for producing same, foam molded article, composite structural member, and vehicle memberSEKISUI KASEI CO LTD·Filed 2023·Application pending·0 cites
- 2553US11883790B2Hollow particles, method for producing same, and usage of sameSEKISUI KASEI CO LTD·Filed 2019·Granted Jan 30, 2024·0 cites·16 claims
- 2652US11981787B2Laminated foam sheetSEKISUI KASEI CO LTD·Filed 2020·Granted May 14, 2024·0 cites·4 claims
- 2752US2024059847A1Hollow resin particles, production method therefor, and use thereofSEKISUI KASEI CO LTD·Filed 2021·Application pending·0 cites
- 2852US2023391900A1Hollow resin particles, method for producing hollow resin particles, and use of hollow resin particlesSEKISUI KASEI CO LTD·Filed 2021·Application pending·0 cites
- 2951US2025107738A1BioelectrodeSEKISUI KASEI CO LTD·Filed 2022·Application pending·0 cites
- 3050US11111346B2Metal-coated non-spherical resin particles and method for producing same, aligned film of metal-coated non-spherical resin particles and method for producing same, particles, and method for producing particle-aligned filmSEKISUI KASEI CO LTD·Filed 2017·Granted Sep 7, 2021·0 cites·19 claims
- 3149US12187886B2HydrogelSEKISUI KASEI CO LTD·Filed 2019·Granted Jan 7, 2025·0 cites·3 claims
- 3249US2025325953A1Method for producing polyimide hollow particles and polyimide hollow particlesSEKISUI KASEI CO LTD·Filed 2023·Application pending·0 cites
- 3349US2024059810A1Hollow resin particles used in resin composition for semiconductor memberSEKISUI KASEI CO LTD·Filed 2021·Application pending·0 cites
- 3448US11060007B2Organic-inorganic composite particles and manufacturing method therefor, and thermally conductive filler and thermally conductive resin composition and manufacturing method thereforSEKISUI KASEI CO LTD·Filed 2018·Granted Jul 13, 2021·0 cites·10 claims
- 3547US12588548B2Resin composition for semiconductor sealing, underfill material, mold resin, and semiconductor packageSEKISUI KASEI CO LTD·Filed 2020·Granted Mar 24, 2026·0 cites·7 claims
- 3645US12284755B2Laminate, laminate with buildup layer, laminate with metal foil, and circuit boardSEKISUI KASEI CO LTD·Filed 2020·Granted Apr 22, 2025·0 cites·10 claims
- 3745US2025213750A1Particle-containing hydrogelSEKISUI KASEI CO LTD·Filed 2023·Application pending·0 cites
- 3844US12473390B2Hydrogel sheetSEKISUI KASEI CO LTD·Filed 2020·Granted Nov 18, 2025·0 cites·15 claims
- 3944US2022153996A1Biodegradable resin particles, biodegradable resin particle group including the particles, and use thereofSEKISUI KASEI CO LTD·Filed 2020·Application pending·0 cites
- 4043US2024118609A1Resin composition for solder resist, solder resist film, and circuit boardSEKISUI KASEI CO LTD·Filed 2020·Application pending·0 cites
- 4143US2020399413A1Vinyl-based resin particles and method for manufacturing sameSEKISUI KASEI CO LTD·Filed 2019·Application pending·0 cites
- 4242US12091524B2Method for producing biodegradable resin expanded sheetSEKISUI KASEI CO LTD·Filed 2020·Granted Sep 17, 2024·0 cites·3 claims
- 4342US2022340719A1HydrogelSEKISUI KASEI CO LTD·Filed 2020·Application pending·0 cites
- 4441US12415895B2Hydrogel and uses thereforSEKISUI KASEI CO LTD·Filed 2019·Granted Sep 16, 2025·0 cites·7 claims
- 4536US2022081554A1Polylactic acid resin expanded sheet, resin molded article, and method for producing polylactic acid resin expanded sheetSEKISUI KASEI CO LTD·Filed 2020·Application pending·0 cites
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