Patents by Inventor Hidetoshi Naitou

Hidetoshi Naitou 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).

  • Drop/insert processing circuit
    Patent number: 4935920
    Abstract: Disclosed is a drop/insert processing circuit connected to, for example, a broadband subscriber network including a high speed data loop. The circuit is formed in one body comprising a single shift register, a single clock signal generator, a low speed data insertion control circuit, and a low speed data dropping circuit, whereby the circuit scale is reduced and the control is simplified.
    Type: Grant
    Filed: August 30, 1988
    Date of Patent: June 19, 1990
    Assignee: Fujitsu Limited
    Inventors: Atsuki Taniguchi, Tomoyuki Ohtsuka, Hidetoshi Naitou, Ryuichi Kondo