Patents Represented by Law Firm Anntonelli, Terry, Stout & Kraus
  • Blood sugar level measuring apparatus
    Patent number: 6954661
    Abstract: Blood sugar levels are measured non-invasively based on temperature measurement. Measured blood sugar levels are corrected using blood oxygen saturation and blood flow volume. The measurement data is further stabilized by taking into consideration the influences of interfering substances on blood oxygen saturation.
    Type: Grant
    Filed: August 15, 2003
    Date of Patent: October 11, 2005
    Assignee: Hitachi, Ltd.
    Inventors: Ok-Kyung Cho, Yoon-Ok Kim
  • Motor driving control apparatus
    Patent number: 5200678
    Abstract: A motor driving control apparatus having a function for performing an individual test operation of a servomotor driving control apparatus or an inverter apparatus by generating test operation command in the control apparatus in place of a command from an external controller, whereby both a function check and a performance check can be performed to attain an improvement in reliability and case of operation.
    Type: Grant
    Filed: November 6, 1990
    Date of Patent: April 6, 1993
    Assignees: Hitachi, Ltd., Hitachi Keiyo Engineering Co., Ltd.
    Inventors: Mutuo Tokashiki, Kazumasa Sugiyama, Sumio Kobayashi, Hiroshi Sugai, Kazuyuki Nakagawa