Patents by Inventor Yumi Yamahama

Yumi Yamahama 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).

  • Ultraviolet reflecting agent composition and water repellent agent composition
    Patent number: 11090240
    Abstract: The present invention relates to an ultraviolet reflecting agent composition or a water repellent agent composition, which contains at least one compound selected from among 2-pentacosanone, 2-heptacosanone, 2-nonacosanone, tetracosanal, hexacosanal, octacosanal and triacontanal.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: August 17, 2021
    Assignees: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, TOKYO UNIVERSITY OF AGRICULTURE
    Inventors: Ryo Futahashi, Migaku Kawaguchi, Takahiko Hariyama, Yumi Yamahama, Daisuke Ishii, Shunsuke Yajima, Ryouka Miki, Naoki Mori
  • ULTRAVIOLET REFLECTING AGENT COMPOSITION AND WATER REPELLENT AGENT COMPOSITION
    Publication number: 20200078280
    Abstract: The present invention relates to an ultraviolet reflecting agent composition or a water repellent agent composition, which contains at least one compound selected from among 2-pentacosanone, 2-heptacosanone, 2-nonacosanone, tetracosanal, hexacosanal, octacosanal and triacontanal.
    Type: Application
    Filed: November 20, 2019
    Publication date: March 12, 2020
    Applicants: National Institute of Advanced Industrial Science and Technology, Tokyo University of Agriculture
    Inventors: Ryo Futahashi, Migaku Kawaguchi, Takahiko Hariyama, Yumi Yamahama, Daisuke Ishii, Shunsuke Yajima, Ryouka Miki, Naoki Mori