Patents by Inventor Keita KUME

Keita KUME has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • PRESSURE-SENSITIVE ADHESIVE SHEET FOR SURFACE PROTECTION
    Publication number: 20220041900
    Abstract: An objective is to provide a surface-protective PSA sheet capable of reducing adherend damage and well maintaining appearance, etc. The surface-protective PSA sheet capable of reducing adherend damage and well maintaining appearance, etc., comprises a surface layer, a resin substrate layer and a PSA layer, and has a multilayer structure with the resin substrate layer placed between the surface layer and the PSA layer, wherein the surface layer is a layer obtainable by curing a heat-curable composition comprising the following components: (a) a hydroxyl group-containing (meth)acrylic copolymer having a glass transition temperature of ?40° C. to 30° C.; (b) an allophanate polyisocyanate and/or a biuret polyisocyanate; and (c) a polysiloxane comprising a hydroxyl group-containing hydrocarbon group and/or polymer.
    Type: Application
    Filed: September 27, 2019
    Publication date: February 10, 2022
    Applicant: NITTO DENKO CORPORATION
    Inventors: Keita KUME, Yuki HASHIMOTO, Akihiro YAMAZAKI, Toru HIGASHIMOTO, Eiichi IMOTO, Yoshio NAKAGAWA, Shota TANAKA, Kenichi NISHIKAWA, Chihiro YOSHIDA