Inventor
KUSAKA YASUNARI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “KUSAKA YASUNARI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEKISUI CHEMICAL CO LTD
18 patentsUS12110385B2Oct 8, 2024
Chlorinated vinyl chloride resin
SEKISUI CHEMICAL CO LTD2 citations68
US12104051B2Oct 1, 2024
Chlorinated vinyl chloride-based resin
SEKISUI CHEMICAL CO LTD2 citations68
US12084552B2Sep 10, 2024
Poly(vinyl alcohol) film and production method for polarizing film
SEKISUI CHEMICAL CO LTD0 citations61
US12031000B2Jul 9, 2024
Poly(vinyl alcohol) film and production method for polarizing film
SEKISUI CHEMICAL CO LTD0 citations61
US11947144B2Apr 2, 2024
Poly(vinyl alcohol) film and production method for polarizing film
SEKISUI CHEMICAL CO LTD0 citations61
US11859063B2Jan 2, 2024
Poly(vinyl alcohol) film and production method for polarizing film
SEKISUI CHEMICAL CO LTD0 citations61
US12351672B2Jul 8, 2025
Chlorinated vinyl-chloride-based resin
SEKISUI CHEMICAL CO LTD0 citations59
US12264239B2Apr 1, 2025
Chlorinated vinyl chloride-based resin
SEKISUI CHEMICAL CO LTD0 citations59
US12252577B2Mar 18, 2025
Chlorinated vinyl chloride resin
SEKISUI CHEMICAL CO LTD0 citations59
US12187883B2Jan 7, 2025
Chlorinated vinyl chloride resin
SEKISUI CHEMICAL CO LTD0 citations59
US12037423B2Jul 16, 2024
Chlorinated vinyl-chloride-based resin
SEKISUI CHEMICAL CO LTD0 citations58
US10633480B2Apr 28, 2020
Flame-retardant urethane resin composition
SEKISUI CHEMICAL CO LTD1 citations58
US12486392B2Dec 2, 2025
Chlorinated vinyl chloride resin
SEKISUI CHEMICAL CO LTD0 citations57
US12297312B2May 13, 2025
Chlorinated vinyl chloride-based resin
SEKISUI CHEMICAL CO LTD0 citations57
US12084526B2Sep 10, 2024
Vinyl alcohol polymer and method for producing vinyl alcohol polymer
SEKISUI CHEMICAL CO LTD1 citations57
US12486394B2Dec 2, 2025
Molding resin composition and molded article
SEKISUI CHEMICAL CO LTD0 citations47
US12460075B2Nov 4, 2025
Resin composition for molding and molded article
SEKISUI CHEMICAL CO LTD0 citations47
US10647791B2May 12, 2020
Polyvinyl alcohol used as dispersing agents for polyvinyl chloride suspension polymerization, dispersing agents comprising the polyvinyl alcohol, and method for producing polyvinyl chloride using the polyvinyl alcohol
SEKISUI CHEMICAL CO LTD0 citations39