Patents by Inventor Mitsushi Gotanda

Mitsushi Gotanda 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: 6017494
    Abstract: A liquid supply device for transporting a liquid to a predetermined portion includes a liquid container for holding a liquid therein, which has an opening, a sealing sheet member which is impermeable but rupturable and seals the opening of the container, and an absorbent material which is capable of transporting the liquid by capillary action, the absorbent material being disposed on the sealing sheet member, out of contact with the liquid when the sealing sheet member is not ruptured, while when the sealing sheet member is ruptured and the absorbent material is brought into contact with the liquid, part of the absorbent material being continuously held within the liquid and transporting the liquid to the predetermined position. An analytical test device using the above liquid supply device is provided, which may be used, for instance, immunoassay.
    Type: Grant
    Filed: April 24, 1998
    Date of Patent: January 25, 2000
    Assignee: Fujirebio Inc.
    Inventors: Yoshihiro Ashihara, Mitsushi Gotanda, Akira Hasegawa, Yuko Fujiwara
  • Patent number: 5460781
    Abstract: A hemoglobin sampler for use with stool samples for clinical tests and diagnoses of the digestive tract diseases in mass screening, etc. by securely sampling and collecting occult hemoglobin with water content from the stool samples without being hindered by the undigested solid content of stools. The sampler has a core member consisting of a porous fiber bundle made up of a plural number of synthetic fibers bundled in the longitudinal direction thereof, a rod of a suitable length provided with a thermosetting synthetic resin sheath at the outer periphery of the core, one end of the rod forming a sample absorbing member with a suitable surface area and small diameter made up of the above mentioned porous fiber bundle. The sampler can quantitatively sample occult hemoglobin with water from stool samples of various properties, thereby offering an easy sample method for the subject and stable specimen for tests.
    Type: Grant
    Filed: March 12, 1991
    Date of Patent: October 24, 1995
    Assignees: Fujirebio Kabushiki Kaisha, Aubex Corporation
    Inventors: Hironobu Hori, Norigi Kurihara, Mitsushi Gotanda, Takayuki Yanagiya, Atsushi Umetani
  • Patent number: D342575
    Type: Grant
    Filed: March 23, 1992
    Date of Patent: December 21, 1993
    Assignee: Fujirebio Kabushiki Kaisha
    Inventors: Yoshihiro Ashihara, Mitsushi Gotanda, Akira Hasegawa, Nobuyuki Takahashi