Patents by Inventor Keiichi GANBE

Keiichi GANBE 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).

  • Patent number: 11397110
    Abstract: A color calibration viewer used in color calibration, wherein: the relative intensity at a wavelength of 505 nm is 0.80 or more and 0.95 or less, and the relative intensity at a wavelength of 620 nm is 0.65 or more and 0.80 or less, where 1 designates the optical intensity of a peak top in a first wavelength region at a wavelength of 440 nm or more and 470 nm or less; and the ratio (A/B) of A and B is 1.00 or more and 1.46 or less, where A designates the optical intensity at a wavelength of 505 nm, and B designates the optical intensity at a wavelength of 620 nm.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: July 26, 2022
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Yoshihiko Ogino, Keiichi Ganbe, Kazumasa Onuki, Takahiro Sahara, Yoichi Kajimura
  • Publication number: 20200284656
    Abstract: A color calibration viewer used in color calibration, wherein: the relative intensity at a wavelength of 505 nm is 0.80 or more and 0.95 or less, and the relative intensity at a wavelength of 620 nm is 0.65 or more and 0.80 or less, where 1 designates the optical intensity of a peak top in a first wavelength region at a wavelength of 440 nm or more and 470 nm or less; and the ratio (A/B) of A and B is 1.00 or more and 1.46 or less, where A designates the optical intensity at a wavelength of 505 nm, and B designates the optical intensity at a wavelength of 620 nm.
    Type: Application
    Filed: October 18, 2018
    Publication date: September 10, 2020
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Yoshihiko OGINO, Keiichi GANBE, Kazumasa ONUKI, Takahiro SAHARA, Yoichi KAJIMURA