Patents by Inventor Shouzi Okabe

Shouzi Okabe 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: 7145992
    Abstract: A communication apparatus including a network control unit for interfacing with a telephone line. The network control unit comprises a direct current circuit in which a loop state direct current can flow, and a direct current limiting device for limiting the loop state direct current to a prescribed value when communication with a foreign country that has adopted a different communication standard is performed.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: December 5, 2006
    Assignee: Ricoh Company, Ltd.
    Inventors: Noriaki Orikasa, Shouzi Okabe
  • Publication number: 20040136512
    Abstract: A communication apparatus including a network control unit for interfacing with a telephone line. The network control unit comprises a direct current circuit in which a loop state direct current can flow, and a direct current limiting device for limiting the loop state direct current to a prescribed value when communication with a foreign country that has adopted a different communication standard is performed.
    Type: Application
    Filed: December 19, 2003
    Publication date: July 15, 2004
    Inventors: Noriaki Orikasa, Shouzi Okabe
  • Patent number: 6754319
    Abstract: A communication apparatus including a network control unit for interfacing with a telephone line. The network control unit comprises a direct current circuit in which a loop state direct current can flow, and a direct current limiting device for limiting the loop state direct current to a prescribed value when communication with a foreign country that has adopted a different communication standard is performed.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: June 22, 2004
    Assignee: Ricoh Company, Ltd.
    Inventors: Noriaki Orikasa, Shouzi Okabe