Patents by Inventor Toshifumi Shigematsu

Toshifumi Shigematsu 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: 5111539
    Abstract: A toilet device with a system for inspecting the health condition of the toilet user includes a toilet having a bowl surface with a urine reservoir for holding a urine sample, a box having at least a water tank disposed rearwardly and upwardly of the toilet, the box having an outlet opening in a bottom thereof, a slider for holding a urine test paper piece, the slider being movable from within the box toward the urine reservoir to immerse the urine test paper piece in the urine sample in the urine reservoir, a urine analyzing device disposed in the box, for analyzing constituents of the urine sample attached to the urine test paper piece, a lifting and lowering mechanism for reciprocally lifting and lowering the slider through the outlet opening along a substantially vertical inclined path between the urine analyzing device and the urine reservoir, and a display panel for controlling the lifting and lowering mechanism and the urine analyzing device and for displaying results of a urine analysis effected by th
    Type: Grant
    Filed: August 27, 1990
    Date of Patent: May 12, 1992
    Assignee: Toto Ltd.
    Inventors: Yoshiki Hiruta, Naoki Tsukamura, Yoshinobu Uchimura, Toshifumi Shigematsu, Hironori Yamasaki, Toshio Yamaguchi
  • Patent number: 4967425
    Abstract: The present invention relates to a sanitary equipment which is provided in a toilet attached to a clean room. The side surface of the body of the sanitary equipment is made almost vertical, and fixation elements for fastening the body of the equipment onto the wall of the toilet do not protrude into the toilet. As a result, air is circulated through the toilet in such a manner that the air flowing down in the toilet is not disturbed.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: November 6, 1990
    Assignee: Toto, Ltd.
    Inventors: Seijiro Kawamura, Masami Iida, Akio Kusumoto, Takao Ikenaga, Toshifumi Shigematsu, Hiroshi Okada
  • Patent number: 4962550
    Abstract: A toilet has a device for measuring constituents of voided urine. The toilet has a urine reservoir having a surface contiguous to a bowl surface including a urine receiving surface. Urine examined by the measuring device is sampled from the urine reservoir.
    Type: Grant
    Filed: August 24, 1988
    Date of Patent: October 16, 1990
    Assignees: Toto, Ltd., Omron Tateisi Electronics Co.
    Inventors: Takao Ikenaga, Toshifumi Shigematsu, Masatoshi Yada, Shigeru Makita, Hitoshi Kitaura
  • Patent number: 4961431
    Abstract: A toilet device with a health examination system, includes a urine sampler for sampling a portion of urine from a urine receiver, a urine analyzer for measuring the proportion of a particular constituent of the urine, a measuring unit for measuring at least one of the blood pressure, heart rate, and temperature of a user of the urine receiver, and a display unit for displaying the results of measurement by the urine sampler, the urine analyzer, and the measuring unit.
    Type: Grant
    Filed: January 27, 1988
    Date of Patent: October 9, 1990
    Assignee: Toto, Ltd.
    Inventors: Takao Ikenaga, Toshifumi Shigematsu, Akio Kusumoto, Kimiyoshi Yamamoto, Masatoshi Yada
  • Patent number: 4692951
    Abstract: This invention relates to a sanitary facility room to be installed in a computer room or a clean room found in a manufacturing factory for a semiconductor element wherein the water supplying means is operated by a control part received a sensed signal from the sensing means by a sensing operation of the sensing means for a human body, a cleaning water is supplied to the sanitary device to form water films at the inner surface of the sanitary device and to perform an automatic cleaning of the sanitary device.
    Type: Grant
    Filed: October 24, 1985
    Date of Patent: September 15, 1987
    Assignee: Toto Ltd.
    Inventors: Masaru Taki, Hiroshi Okada, Seijiro Kawamura, Akio Kusumoto, Koji Morita, Takao Ikenaga, Toshifumi Shigematsu, Masami Iida
  • Patent number: 4667350
    Abstract: This invention relates to a lavatory hopper flushing apparatus, particularly, a lavatory hopper flushing apparatus comprising a sensor unit capable of detecting the use of any one of a plurality of lavatory hoppers arranged side by side, and providing a detection signal upon the detection of the use of any one of the lavatory hoppers; a control unit capable of being actuated by the detection signal; and a water supply unit capable of being driven by the control unit so as to flush all the lavatory hoppers simultaneously; wherein the control unit capable of being actuated by the detection signal given by a sensor unit and driving a water supply unit includes a counter control unit which has a counting circuit that counts the frequency of the detection signal and which provides an output signal when the count of the detection signals reaches a predetermined number, and an output control unit which provides an output signal to actuate the water supply unit, upon the reception of the output signal given by the co
    Type: Grant
    Filed: August 25, 1986
    Date of Patent: May 26, 1987
    Assignee: Toto Ltd.
    Inventors: Takao Ikenaga, Toshifumi Shigematsu, Tatsumi Hamanaka, Manabu Hirahara