Patents by Inventor Tadayoshi Matsuzaki

Tadayoshi Matsuzaki 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: 4389086
    Abstract: A feedthrough terminal for optical fiber cables (12), particularly for use in an underwater repeater, comprises a rod (22) received snugly in a tube (21) and having grooves (24), which are filled by a mass of solder (26) with the optical fiber cables placed in the respective grooves. The grooves may be formed along the tube inside surface or on opposing portion of the tube and the rod. The tube and/or the rod may be possessed of a recessed surface to provide a gap for the solder mass.
    Type: Grant
    Filed: May 8, 1981
    Date of Patent: June 21, 1983
    Assignees: Kokusai Denshin Denwa Co., Ltd., Nippon Electric Co., Ltd.
    Inventors: Kahei Furusawa, Yoshihiro Ejiri, Yoshihiko Yamazaki, Tadayoshi Matsuzaki, Hiroyuki Nakashima, Osamu Harada