Patents by Inventor Manami TAKENAKA

Manami TAKENAKA 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).

  • Publication number: 20220252771
    Abstract: An optical material satisfies the following (1) to (3) by a transmittance curve in a case in which the optical material is measured at a thickness of 2 mm, and has a* of from ?4 to 1 and b* of from ?1 to 11 as a hue in a CIE 1976 (L*, a*, b*) color space: (1) the transmittance curve has a maximum value T1 of transmittance at a wavelength of from 400 nm to 445 nm of 65% or more; (2) the transmittance curve has a minimum value T2 of transmittance at a wavelength of from 445 nm to 485 nm of 60% to 90%; and (3) a minimum value of transmittance at a wavelength of from 650 nm to 800 nm is 75% or more, and an average value of transmittance at a wavelength of from 650 nm to 800 nm is 80% or more.
    Type: Application
    Filed: July 31, 2020
    Publication date: August 11, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Nobuo KAWATO, Manami TAKENAKA