Patents by Inventor Tadahiro Horita

Tadahiro Horita 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).

  • Living body optical measurement system
    Patent number: 8750951
    Abstract: To make the peak value of the driving current of light source smaller than the conventional one and to make the peak value of the light receiving level of light-sensitive elements smaller than the conventional one in order to save power consumption of the device and to improve the precision of measurement, codes of which the bits of the Hadamard codes are shifted by the same bit for each code series having the same bit cycle, or codes of which the bits of a PN code are shifted are used as different codes.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: June 10, 2014
    Assignee: Hitachi, Ltd.
    Inventors: Masashi Kiguchi, Hirokazu Atsumori, Tadahiro Horita
  • Optical measurement instrument for living body
    Patent number: 8244324
    Abstract: An optical measurement instrument for a living body having an optical fiber removed, which is composed so as to transmit a driving signal for the light source to a plurality of an irradiation parts, as well as to convert a transmitted and received signal, between a processing and control unit and the probe unit, to a row of serial digital signals, by having one driving device for light source and one multiplexer, inside the probe unit.
    Type: Grant
    Filed: November 16, 2007
    Date of Patent: August 14, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Hirokazu Atsumori, Masashi Kiguchi, Tadahiro Horita
  • Living body optical measurement system
    Publication number: 20090015839
    Abstract: To make the peak value of the driving current of light source smaller than the conventional one and to make the peak value of the light receiving level of light-sensitive elements smaller than the conventional one in order to save power consumption of the device and to improve the precision of measurement, codes of which the bits of the Hadamard codes are shifted by the same bit for each code series having the same bit cycle, or codes of which the bits of a PN code are shifted are used as different codes.
    Type: Application
    Filed: July 2, 2008
    Publication date: January 15, 2009
    Inventors: Masashi Kiguchi, Hirokazu Atsumori, Tadahiro Horita
  • OPTICAL MEASUREMENT INSTRUMENT FOR LIVING BODY
    Publication number: 20080183056
    Abstract: An optical measurement instrument for a living body having an optical fiber removed, which is composed so as to transmit a driving signal for the light source to a plurality of an irradiation parts, as well as to convert a transmitted and received signal, between a processing and control unit and the probe unit, to a row of serial digital signals, by having one driving device for light source and one multiplexer, inside the probe unit.
    Type: Application
    Filed: November 16, 2007
    Publication date: July 31, 2008
    Inventors: Hirokazu Atsumori, Masashi Kiguchi, Tadahiro Horita