Patents by Inventor Nobuhiro Sakaguchi

Nobuhiro Sakaguchi 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).

  • Display device in medical examination and treatment system
    Patent number: 5807246
    Abstract: A pulse oximeter display device which displays oxygen saturation data is provided. The device comprises a multicolor display unit which displays oxygen saturation data in first and second colors. A display drive is coupled to the display unit, and a control unit is coupled to the display drive. Limits for oxygen saturation data are set by the control unit. The control unit further provides three signals to the display drive. The first signal is provided to continuously illuminate the display in the first color if the oxygen saturation data is within the limits. The second signal is provided to intermittently illuminate the display unit in the second color if the oxygen saturation data is not within the limits. The third signal is provided to continuously illuminate the display unit in the second color if the limits have not been set.
    Type: Grant
    Filed: July 3, 1995
    Date of Patent: September 15, 1998
    Assignee: Nellcor Puritan Bennett Incorporated
    Inventors: Nobuhiro Sakaguchi, Yoshio Uejima
  • Heating device having dumbbell-shaped reaction tubes therein
    Patent number: 3964873
    Abstract: A heater tube for use in a fluid heating device, which is used, for example, as a thermal decomposing device of hydrocarbons. The heater tube has a dumbbell shape in cross section.
    Type: Grant
    Filed: July 12, 1974
    Date of Patent: June 22, 1976
    Assignees: Mitsubishi Jukogyo Kabushiki Kaisha, Mitsubishi Petrochemical Company Limited
    Inventors: Seigo Aramaki, Katsuzo Sudo, Mitsuo Tani, Takehiko Sato, Yuuji Onishi, Nobuhiro Sakaguchi