Patents by Inventor Masana Kosuge

Masana Kosuge 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).

  • Swimming aid
    Patent number: 4548588
    Abstract: A swimming aid includes a plurality of tubular members, each tubular member adapted to fit on a corresponding finger of a human hand and which is open at both ends thereof, and web-like members extending between adjacent ones of the tubular members.
    Type: Grant
    Filed: June 26, 1984
    Date of Patent: October 22, 1985
    Assignee: Kosuage Planning Co. Ltd.
    Inventor: Masana Kosuge