Patents by Inventor Shinobu Itoh

Shinobu Itoh 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).

  • Logistics control information system and method
    Publication number: 20040193471
    Abstract: In international logistics that accompany information flows, errors or inconsistencies of data tend to occur partly because of human interventions.
    Type: Application
    Filed: March 15, 2004
    Publication date: September 30, 2004
    Applicant: Hitachi, Ltd.
    Inventors: Mamoru Ozaki, Kazuhiko Taniguchi, Shinobu Itoh
  • Mixing circuit
    Patent number: 4412353
    Abstract: A mixing circuit having a first signal source, a series connection of a load circuit and in impedance circuit connected in parallel to the first signal source. A second signal source and an active element which has a main electrode connected to both ends of the source. In this case, a mixed signal of the signal from the first and second signal sources is derived from the load circuit.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: October 25, 1983
    Inventor: Shinobu Itoh
  • Impedance converting circuit
    Patent number: 4319143
    Abstract: An impedance converting circuit having an impedance circuit connected in series to a load circuit and an active element having a main electrode connected to both ends of the load circuit and a control electrode connected to a reference potential. In this case, an input signal is supplied across both ends of the serially connected load circuit and impedance circuit.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: March 9, 1982
    Inventor: Shinobu Itoh