Patents by Inventor Katsuya Sougen

Katsuya Sougen 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).

  • Video tape recorder usable with different types of tape cassettes
    Patent number: 4577239
    Abstract: A video tape recorder which is capable of reproducing video signals from either of the VHS system and .beta. system tape cassettes. The video signal recorded on a magnetic tape of either one of the VHS system or .beta. system tape cassettes can be recorded on the magnetic tape of the other type tape cassette and reproduced therefrom.
    Type: Grant
    Filed: November 12, 1981
    Date of Patent: March 18, 1986
    Assignee: AIWA Co., Ltd.
    Inventor: Katsuya Sougen