Patents by Inventor Kazuhiro Ooto

Kazuhiro Ooto 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 DEVICE SEALING STRUCTURE AND OPTICAL DEVEICE MANUFACTURING METHOD
    Publication number: 20170023742
    Abstract: To provide an optical device sealing structure capable of simply sealing an optical fiber inserting portion. Provided is a structure that seals an optical device including a metallic case having an optical element disposed therein and an optical fiber inserted through a through hole of the case, wherein a Zn-containing surface is formed on a surface of a bare fiber portion that is formed by partly removing a coating of the optical fiber so as to expose a bare fiber, and wherein an Sn-containing sealing material is charged between the Zn-containing surface and an inner wall of the through hole.
    Type: Application
    Filed: September 30, 2016
    Publication date: January 26, 2017
    Inventors: Katsutoshi KONDOU, Masaru SHIROISHI, Kazuhiro OOTO
  • Optical device sealing structure and optical device manufacturing method
    Patent number: 9459410
    Abstract: To provide an optical device sealing structure capable of simply sealing an optical fiber inserting portion. Provided is a structure that seals an optical device including a metallic case having an optical element disposed therein and an optical fiber inserted through a through hole of the case, wherein a Zn-containing surface is formed on a surface of a bare fiber portion that is formed by partly removing a coating of the optical fiber so as to expose a bare fiber, and wherein an Sn-containing sealing material is charged between the Zn-containing surface and an inner wall of the through hole.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: October 4, 2016
    Assignee: SUMITOMO OSAKA CEMENT CO., LTD.
    Inventors: Katsutoshi Kondou, Masaru Shiroishi, Kazuhiro Ooto
  • OPTICAL DEVICE SEALING STRUCTURE AND OPTICAL DEVEICE MANUFACTURING METHOD
    Publication number: 20120251770
    Abstract: To provide an optical device sealing structure capable of simply sealing an optical fiber inserting portion. Provided is a structure that seals an optical device including a metallic case having an optical element disposed therein and an optical fiber inserted through a through hole of the case, wherein a Zn-containing surface is formed on a surface of a bare fiber portion that is formed by partly removing a coating of the optical fiber so as to expose a bare fiber, and wherein an Sn-containing sealing material is charged between the Zn-containing surface and an inner wall of the through hole.
    Type: Application
    Filed: March 29, 2012
    Publication date: October 4, 2012
    Inventors: Katsutoshi Kondou, Masaru Shiroishi, Kazuhiro Ooto