Patents by Inventor Koji Koshiyama

Koji Koshiyama 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).

  • Patent number: 6226434
    Abstract: A closure for cable connection which is capable of preventing deformation thereof, facilitating incorporation and setting of a cable therein, exhibiting increased safety and airtightness, and attaining sleeve assembling and cable connection with improved workability. A sleeve is provided therein with a cable connection mechanism including a cable clamp, a tension member holder, and a fiber cable storage casing in which a fiber connection section of cable fibers and an excessive fiber are received. The sleeve is provided on upper and lower portions of an inner surface thereof with connection fitment mounting sections, on which a frame-like connection fitment for mounting the cable connection mechanism thereon is detachably fittedly fixed.
    Type: Grant
    Filed: April 10, 1997
    Date of Patent: May 1, 2001
    Assignees: Japan Recom Ltd., Fujikara Ltd.
    Inventors: Koji Koshiyama, Tadashi Hattori, Yasunari Tsuruta, Tetsuo Nozawa, Yasuhiro Tamaki, Hiroshi Yokosuka
  • Patent number: 6021246
    Abstract: A closure for a cable connection capable of facilitating access to fiber connection sections, ensuring simplified management, assembling and disassembling, and exhibiting increased sealing and resealing characteristics. A base member is formed at a portion of an outer surface thereof positioned around each of cable insertion holes with a cylindrical pocket, in which a cable bush made of a rubber-like elastic material and formed with a through-hole communicating with a respective one of the cable insertion holes is fittedly arranged. A cable seal cap which has a raised surface for abutting against the cable bush is releasably fitted in the cylindrical pocket to bring the cable bush into elastic contact with a cable.
    Type: Grant
    Filed: May 27, 1998
    Date of Patent: February 1, 2000
    Assignees: Japan Recom Ltd, Nippon Telegraph, Telephone Corporation
    Inventors: Koji Koshiyama, Kinji Mineshima, Tatsuro Oikawa, Tetsuya Hoshijima, Toshiyuki Ishikawa, Mitsuo Kama, Yoshiyuki Yoshii