Patents by Inventor Masahiko Kumaou

Masahiko Kumaou 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).

  • Optical connector assembling adhesive injection pipe and method of assembling an optical connector using the same
    Patent number: 5913001
    Abstract: In an adhesive injection pipe for injecting an adhesive X into a rear end through hole of a ferrule main body, a first stopper portion for positioning in the ferrule main body and a second stopper portion to be engaged with an injecting end of an injector for injecting an adhesive are provided on a cylindrical member having a front end portion to be fitted in the rear end through hole, and a handle member is formed at a rear end of the cylindrical member.
    Type: Grant
    Filed: August 5, 1997
    Date of Patent: June 15, 1999
    Assignee: Seiko Instruments Inc.
    Inventors: Masahiro Nakajima, Yukou Hata, Masahiko Kumaou