Patents by Inventor Daigo Hirata

Daigo Hirata 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 for manufacturing optical element and device for manufacturing same
    Patent number: 9662845
    Abstract: A method for manufacturing an optical element, the method including: heating an optical element material by suspending it in a gas; supplying the heated optical element material from a direction which intersects a central axis interconnecting centers of a first mold and a second mold to a space between molds in a non-contact state, the space between molds being a space between the first mold and the second mold; pressurizing the optical element material supplied to the space between molds by the first mold and the second mold; and cooling the pressurized optical element material.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: May 30, 2017
    Assignee: Olympus Corporation
    Inventors: Yusuke Nakagawa, Daigo Hirata, Koji Miyake, Masato Nakahama, Hiroyuki Seki
  • METHOD FOR MANUFACTURING OPTICAL ELEMENT AND DEVICE FOR MANUFACTURING SAME
    Publication number: 20140217627
    Abstract: A method for manufacturing an optical element, the method including: heating an optical element material by suspending it in a gas; supplying the heated optical element material from a direction which intersects a central axis interconnecting centers of a first mold and a second mold to a space between molds in a non-contact state, the space between molds being a space between the first mold and the second mold; pressurizing the optical element material supplied to the space between molds by the first mold and the second mold; and cooling the pressurized optical element material.
    Type: Application
    Filed: April 4, 2014
    Publication date: August 7, 2014
    Applicant: Olympus Corporation
    Inventors: Yusuke Nakagawa, Daigo Hirata, Koji Miyake, Masato Nakahama, Hiroyuki Seki