Patents Assigned to AHIKO FINETEC, LTD.
  • Optical member, method of producing optical member, and apparatus for transmitting optical information
    Patent number: 11988807
    Abstract: The present invention provides an optical member including an organic polymer. This optical member includes a surface A which has an area of 1 mm2 or more, and in which the flatness of a region having an area of 1 mm2, as measured by a non-contact type optical flatness meter, is 80 ?m or less.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: May 21, 2024
    Assignees: MITSUI CHEMICALS, INC., AHIKO FINETEC, LTD.
    Inventors: Soichiro Ahiko, Daisuke Tanaka, Shinichi Umeda
  • OPTICAL MEMBER, METHOD OF PRODUCING OPTICAL MEMBER, AND APPARATUS FOR TRANSMITTING OPTICAL INFORMATION
    Publication number: 20220120935
    Abstract: The present invention provides an optical member including an organic polymer. This optical member includes a surface A which has an area of 1 mm2 or more, and in which the flatness of a region having an area of 1 mm2, as measured by a non-contact type optical flatness meter, is 80 ?m or less.
    Type: Application
    Filed: February 4, 2020
    Publication date: April 21, 2022
    Applicants: MITSUI CHEMICALS, INC., AHIKO FINETEC, LTD.
    Inventors: Soichiro AHIKO, Daisuke TANAKA, Shinichi UMEDA