Patents by Inventor Yu Izumi

Yu Izumi 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).

  • Bathing preparation
    Patent number: 5198144
    Abstract: A bathing preparation comprising at least one organic acid and at least one carbonate is disclosed. This bathing preparation contains fumaric acid in an amount of 20% by weight or more of the total of the organic acid and at least one highly volatile perfume. The perfume is not vaporized into the atmosphere. Therefore, the bathing preparation sustains its aroma in bath water for a long time, thus giving improved relaxant and refreshing effects.
    Type: Grant
    Filed: July 26, 1991
    Date of Patent: March 30, 1993
    Assignee: Kao Corporation
    Inventors: Yuji Ichii, Hidenori Yorozu, Kazuyuki Fukuda, Yu Izumi
  • Detergent composition containing clathrate granules of a perfume-clathrate compound
    Patent number: 4992198
    Abstract: A high density-having, granular, concentrated detergent composition comprises a detergent component(s) and clathrate granules of a perfume-clathrate compound comprising a perfume and a compound having a clathration capability. The clathrate granules have an average size of 100 to 1500 micrometers.
    Type: Grant
    Filed: January 13, 1989
    Date of Patent: February 12, 1991
    Assignee: Kao Corporation
    Inventors: Tutomu Nebashi, Shinichi Yabe, Fumio Sai, Yu Izumi, Takashi Fujieda