Patents by Inventor Shigehiro Katsuragi

Shigehiro Katsuragi 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).

  • Patent number: 4582635
    Abstract: A perfume-containing resin which is produced by polymerizing diethylene glycol bis(allyl carbonate) in the presence of a perfume. The resin emits a well-balanced fragrance over a long period of time.
    Type: Grant
    Filed: February 13, 1984
    Date of Patent: April 15, 1986
    Assignees: Takasago Perfumery Co., Ltd., Asahi Glass Co., Ltd.
    Inventors: Shigemasa Furuuchi, Shigehiro Katsuragi, Kiyohito Sawano