Patents by Inventor Sakurai Takashi

Sakurai Takashi 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).

  • Analogue filter systems
    Patent number: 4096576
    Abstract: The analogue filter system is constituted by first and second analogue filters having similar characteristics, a delay device connected between the first and second analogue filters and controlled by a timing circuit for storing the output of the first analogue filter and for producing an output with its time axis inverted, and a device for restoring the time axis of the output from the delay device.
    Type: Grant
    Filed: December 7, 1976
    Date of Patent: June 20, 1978
    Assignee: Fukuda Denshi Co., Ltd.
    Inventors: Sakurai Takashi, Matsuo Tadayuki, Takahashi Koro