Patents by Inventor Hung Huu LUONG

Hung Huu LUONG 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 manufacturing optical connector, optical connector, and optical fiber insertion device
    Patent number: 10353153
    Abstract: A method of manufacturing an optical connector according to the invention includes: holding a first optical fiber by a pair of holding members at a position apart from an end face of a second end and through both sides thereof in a radial direction, the first optical fiber being provided with a solid refractive index-matching material layer, the refractive index-matching material layer being formed on the end face of the second end on an opposite side of an end face of a first end exposed to a front end of a ferrule; and inserting the first optical fiber into a fiber hole of the ferrule through the first end.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: July 16, 2019
    Assignees: FUJIKURA LTD., NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takashi Yamaguchi, Takaharu Matsuda, Hung Huu Luong, Kazuhiro Takizawa, Keisuke Yoneda, Kazutoshi Takamizawa, Yuji Aoyagi, Katsushi Nakayachi
  • Optical connector, optical fiber connection device, optical connector manufacturing method, and optical fiber connection method
    Patent number: 10310188
    Abstract: An optical connector includes a ferrule, a first optical fiber retained in the ferrule, a clamp section including an insertion section where a second optical fiber is inserted, a solid index-matching material disposed on an end face of the first optical fiber on an insertion section side, and a projecting portion on the end face of the first optical fiber and that projects more toward the insertion section side than a central region of the end face. The clamp section centers and fixes the first optical fiber and the second optical fiber.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: June 4, 2019
    Assignee: FUJIKURA LTD.
    Inventors: Takaharu Matsuda, Hung Huu Luong
  • OPTICAL CONNECTOR, OPTICAL FIBER CONNECTION DEVICE, OPTICAL CONNECTOR MANUFACTURING METHOD, AND OPTICAL FIBER CONNECTION METHOD
    Publication number: 20180329148
    Abstract: An optical connector includes a ferrule, a first optical fiber retained in the ferrule, a clamp section including an insertion section where a second optical fiber is inserted, a solid index-matching material disposed on an end face of the first optical fiber on an insertion section side, and a projecting portion on the end face of the first optical fiber and that projects more toward the insertion section side than a central region of the end face. The clamp section centers and fixes the first optical fiber and the second optical fiber.
    Type: Application
    Filed: November 17, 2016
    Publication date: November 15, 2018
    Applicant: FUJIKURA LTD.
    Inventors: Takaharu Matsuda, Hung Huu Luong
  • Optical fiber connector
    Patent number: 9933581
    Abstract: An optical fiber splicer includes a fiber fixing portion, a first optical fiber fixed to the fiber fixing portion, a clamp portion which is capable of holding and fixing an extending portion extended from the fiber fixing portion of the first optical fiber and a tip portion of a second optical fiber optically connected to the extending portion of the first optical fiber between a base member and a pressing member being openable and closable with respect to the base member, and a solid index matching material which is attached to a tip surface of the extending portion of the first optical fiber and is interposed between the first optical fiber and the second optical fiber.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: April 3, 2018
    Assignees: FUJIKURA LTD., NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takaharu Matsuda, Hung Huu Luong, Tatsuya Ota, Kazuhiro Takizawa, Hiroichi Katayose, Koji Ishizuka, Makoto Shinpo, Kunihiro Toge
  • METHOD OF MANUFACTURING OPTICAL CONNECTOR, OPTICAL CONNECTOR, AND OPTICAL FIBER INSERTION DEVICE
    Publication number: 20170139148
    Abstract: A method of manufacturing an optical connector according to the invention includes: holding a first optical fiber by a pair of holding members at a position apart from an end face of a second end and through both sides thereof in a radial direction, the first optical fiber being provided with a solid refractive index-matching material layer, the refractive index-matching material layer being formed on the end face of the second end on an opposite side of an end face of a first end exposed to a front end of a ferrule; and inserting the first optical fiber into a fiber hole of the ferrule through the first end.
    Type: Application
    Filed: March 17, 2015
    Publication date: May 18, 2017
    Applicants: FUJIKURA LTD., NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takashi YAMAGUCHI, Takaharu MATSUDA, Hung Huu LUONG, Kazuhiro TAKIZAWA, Keisuke YONEDA, Kazutoshi TAKAMIZAWA, Yuji AOYAGI, Katsushi NAKAYACHI
  • OPTICAL FIBER CONNECTOR
    Publication number: 20170123162
    Abstract: An optical fiber splicer includes a fiber fixing portion, a first optical fiber fixed to the fiber fixing portion, a clamp portion which is capable of holding and fixing an extending portion extended from the fiber fixing portion of the first optical fiber and a tip portion of a second optical fiber optically connected to the extending portion of the first optical fiber between a base member and a pressing member being openable and closable with respect to the base member, and a solid index matching material which is attached to a tip surface of the extending portion of the first optical fiber and is interposed between the first optical fiber and the second optical fiber.
    Type: Application
    Filed: March 31, 2015
    Publication date: May 4, 2017
    Applicants: FUJIKURA LTD., NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takaharu MATSUDA, Hung Huu LUONG, Tatsuya OTA, Kazuhiro TAKIZAWA, Hiroichi KATAYOSE, Koji ISHIZUKA, Makoto SHINPO, Kunihiro TOGE