Patents by Inventor Yuko Koido

Yuko Koido 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).

  • Multilayer Body, Card, Passport, Method for Producing Multilayer Body, Method for Producing Card, Method for Producing Passport, and Laser Marking Method
    Publication number: 20240001654
    Abstract: A multilayer body including a resin layer (A) and a resin layer (B), the resin layer (A) containing a resin (a) and a colorant, the content of the colorant in the resin layer (A) being in an amount less than 50 parts by mass relative to 100 parts by mass of the resin (a), the content of a developer in the resin layer (A) being less than 0.5 parts by mass relative to 100 parts by mass of the resin (a), the resin layer (B) containing a resin (b) and a developer, the content of the developer in the resin layer (B) being less than 50 parts by mass relative to 100 parts by mass of the resin (b), the content of a colorant in the resin layer (B) being 0.5 parts by mass relative to 100 parts by mass of the resin (b).
    Type: Application
    Filed: August 15, 2023
    Publication date: January 4, 2024
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Rie Tezuka, Yuko Koido, Nobuhiro Sakata