Patents by Inventor Katsushi Ishida

Katsushi Ishida 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).

  • TEAR MENISCUS TEST DEVICE AND ITS MANUFACTURING METHOD
    Publication number: 20080255474
    Abstract: A tear meniscus test device 1 includes a body part 2 having a elongated shape, which comprises a synthetic resin material or a synthetic rubber material, wherein a groove 3 is formed along the length direction of the elongated shape, and a water absorbing member 4 arranged in the groove 3.
    Type: Application
    Filed: April 8, 2008
    Publication date: October 16, 2008
    Inventors: Katsushi Ishida, Kazuo Tsubota
  • Sample fluid collecting device
    Publication number: 20060188410
    Abstract: A sample fluid collecting device includes a capillary tube for collecting a sample fluid; and an air reservoir portion 5 having an air hole 10 capable of being closed, which is located at one end of the capillary tube, the capillary tube being formed by two or more supporting members 2, 3 arranged with one or more gap portions 1 being provided in the lengthwise direction; and at least two transparent films 6, 9 lapped on the supporting members 2, 3 so as to cover the gap portion 1.
    Type: Application
    Filed: February 9, 2006
    Publication date: August 24, 2006
    Inventors: Katsushi Ishida, Kazuo Tsubota