Patents by Inventor Yasunari Nobuoka

Yasunari Nobuoka 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).

  • Connector for optical fiber ribbon and a method of attaching the same
    Patent number: 4921325
    Abstract: The present invention relates to a connector for connecting optical fiber ribbons to each other, each of ribbons including a plurality of optical fibers spaced in line, and a method of attaching the same. The connector comprises an alignment member for placing the optical fibers in the grooves formed therein, a deformable metal member disposed on the optical fibers in the grooves of the alignment member, and a ferrule incorporated at the front end pportion with both the alignment member and the deformable metal member and adapted at the rear end portion to retain the unexposed portion of the optical fiber ribbon. Accordingly, the optical fibers are fixedly held between the alignment member and the deformable metal member while the ribbon is fixedly held by the rear end portion of the ferrule. The front ends of the optical fibers are cut at the front end of the ferrule.
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: May 1, 1990
    Assignees: Mitsubishi Cable Industries, Ltd., Seiko Instruments, Inc.
    Inventors: Eiji Iri, Yasunari Nobuoka, Nobuo Suzuki, Yoshio Kashima, Yuji Kakutani, Osamu Murata