Patents by Inventor Kenji Sega

Kenji Sega 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 magazine
    Patent number: 4085907
    Abstract: Elastic cushion sheets are interposed between friction sheets and the inner walls of the casing of a tape magazine to press the side faces of the tape convolutions. By the pressure of the elastic cushion sheets exerted on the side faces of the tape convolutions, the edges of the tape are effectively aligned in the convolutions.
    Type: Grant
    Filed: March 14, 1977
    Date of Patent: April 25, 1978
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Osamu Suzuki, Kengo Oishi, Goro Akashi, Kenji Sega
  • Magnetic tape magazine
    Patent number: 4030685
    Abstract: An elastic flexible belt is tensioned around feed-out and take-up tape convolutions in a magnetic tape magazine to press the convolutions inward and tightly wind the tape on cores. By the tension of the flexible belt provided around the tape convolutions, the tape is tightly wound on the cores and stably fed in the magazine, and accordingly, the edges of the tape are effectively aligned in the convolutions.
    Type: Grant
    Filed: August 15, 1975
    Date of Patent: June 21, 1977
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Osamu Suzuki, Goro Akashi, Akira Kasuga, Kenji Sega