Patents by Inventor Nobuaki Matsutsuka

Nobuaki Matsutsuka 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).

  • Tape clamping device for tape-containing cassettes
    Patent number: 4056244
    Abstract: A device for clamping the tape of a cassette convoluted about the periphery of a hub rotatably mounted therein comprises a thin flat plate-like member having a pair of forked end portions engageable with an edge portion of a spindle-receiving opening of the cassette when fully inserted thereinto to permit the hub to rotate about its axis within a limited range.
    Type: Grant
    Filed: April 13, 1976
    Date of Patent: November 1, 1977
    Assignee: Victor Company of Japan, Limited
    Inventor: Nobuaki Matsutsuka
  • Container for magnetic tape magazines
    Patent number: D291025
    Type: Grant
    Filed: December 10, 1984
    Date of Patent: July 28, 1987
    Assignee: Victor Company of Japan, Limited
    Inventor: Nobuaki Matsutsuka