Patents by Inventor Yasuo Matushima

Yasuo Matushima 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).

  • Method and apparatus for recording and reproducing a message with an indication of a time occurrence
    Patent number: 4345114
    Abstract: A message received through a telephone line is recorded by a tape recorder associated therewith in which a time instance at which the recording is started is memorized together with a specific count of pulses produced in synchronism with a transportation of the tape. When the message is to be reproduced, the specific count is compared with a current count and when the two coincide with each other the memorized time instance is indicated.
    Type: Grant
    Filed: April 28, 1980
    Date of Patent: August 17, 1982
    Assignee: Pioneer Ansafone Manufacturing Corporation
    Inventors: Takashi Sato, Tomio Tsuchiya, Yasuo Matushima