Patents by Inventor Masahiko Yatsugake

Masahiko Yatsugake 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).

  • Magnetic tape copying method and apparatus
    Patent number: 4096532
    Abstract: In magnetic tape copying method and apparatus wherein a slave tape heated to a temperature near the Curie point and a master tape having a signal recorded thereon are put together with their magnetic surfaces in contact with each other and then cooled, an improvement of reheating the slave tape, after the completion of the transfer, under a smaller tension than that applied during the transfer at a temperature lower than the Curie point to prevent the occurence of skew distortion on a reproduced picture due to deformation with the passage of time of the slave tape.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: June 20, 1978
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Mitsuaki Ono, Masahiko Yatsugake, Norio Miyatake, Yukihiro Fukushima