Patents by Inventor Keiko Tsunashima

Keiko Tsunashima 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).

  • Belt length adjuster
    Patent number: 9301578
    Abstract: A belt length adjuster includes a frame body with two outer frames and two connecting frames, and a support frame provided between the two outer frames and stretching to and between the two connecting frames. The support frame supports one end part of the belt member to be used with the belt length adjuster. Two inner frames are respectively provided between the support frame and the respective outer frames and stretching to and between the two connecting frames. The support frame and the respective inner frames provide first insertion spaces into which the one end part of the belt member is inserted, while the respective inner frames and the respective outer frames provide second insertion spaces into which the other side of the belt member is inserted. Furthermore the one end part of the belt member is easily attached to the frame body.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: April 5, 2016
    Assignee: YAMAMOTO KOGAKU CO., LTD.
    Inventors: Makoto Shinya, Keiko Tsunashima
  • BELT LENGTH ADJUSTER
    Publication number: 20110239416
    Abstract: A belt length adjuster includes a frame body with two outer frames and two connecting frames, and a support frame provided between the two outer frames and stretching to and between the two connecting frames. The support frame supports one end part of the belt member to be used with the belt length adjuster. Two inner frames are respectively provided between the support frame and the respective outer frames and stretching to and between the two connecting frames. The support frame and the respective inner frames provide first insertion spaces into which the one end part of the belt member is inserted, while the respective inner frames and the respective outer frames provide second insertion spaces into which the other side of the belt member is inserted. Furthermore the one end part of the belt member is easily attached to the frame body.
    Type: Application
    Filed: March 31, 2011
    Publication date: October 6, 2011
    Applicant: YAMAMOTO KOGAKU CO., LTD.
    Inventors: Makoto SHINYA, Keiko TSUNASHIMA
  • Swimming goggles
    Patent number: D620967
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: August 3, 2010
    Assignee: Yamamoto Kogaku Co., Ltd.
    Inventor: Keiko Tsunashima