Patents by Inventor Hiroyuki Yanagase

Hiroyuki Yanagase 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).

  • Method of collectively connecting multiple optical connectors and aligning and positioning jig for multiple optical connectors used in the method
    Patent number: 5600747
    Abstract: A method of collectively connecting multiple optical connectors each having an altered-shape portion which is at least one of a recessed shape or a projecting shape on an outer surface, and an aligning and positioning jig used in this method. After multiple optical connectors are aligned and positioned by using an aligning and positioning jig for engaging the altered-shape portions of the multiple optical connectors to one another to position the multiple optical connectors, multiple optical connectors aligned and positioned on one side are collectively connected to multiple optical connectors aligned and positioned on the other side. Then the aligning and positioning jig is removed from multiple pairs of connected optical connectors.
    Type: Grant
    Filed: August 4, 1995
    Date of Patent: February 4, 1997
    Assignees: The Furukawa Electric Co., Ltd., Nippon Telegraph and Telephone Corporation
    Inventors: Jun Yamakawa, Hiroyuki Yanagase, Masato Shiino, Hideki Miyazaki, Shinji Nagasawa