Patents by Inventor Yuka Mizuguchi

Yuka Mizuguchi 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: 20240092645
    Abstract: A silica particle includes: a quaternary ammonium salt, in which the following expressions are satisfied, 0.90?FBEFORE/FAFTER?1.10, and 5?FSINTERING/FBEFORE?20, in which FBEFORE represents a maximum frequency value of a pore diameter of 2 nm or less in the silica particles before washing, which is obtained from a pore distribution curve in a nitrogen gas adsorption method, FAFTER represents a maximum frequency value of the pore diameter of 2 nm or less in the silica particles after washing, which is obtained from the pore distribution curve in the nitrogen gas adsorption method, and FSINTERING represents a maximum frequency value of the pore diameter of 2 nm or less in the silica particles before washing and after sintering at 600° C., which is obtained from the pore distribution curve in the nitrogen gas adsorption method.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 21, 2024
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Yuka Zenitani, Koji Sasaki, Sakae Takeuchi, Yoshifumi Eri, Takahiro Mizuguchi
  • Patent number: 11465902
    Abstract: A method for producing hydrogen gas, is disclosed which is characterized by reacting “mineral ion water containing at least alkaline earth metal ions and having pH of 11 or more to 14 or less” and “mineral-supported high-temperature burned carbonaceous substances made by impregnating mineral ion water in an organism-derived carbon precursor and burning the precursor at high temperature”; a mineral-supported high-temperature burned carbonaceous substance for the above-mentioned method of producing of hydrogen gas; and a method for producing mineral ion water for the above-mentioned method of producing hydrogen gas, wherein the mineral ion water is made by dissolving at least oxide, hydroxide, carbonate, or hydrogencarbonate of magnesium or calcium in water to contain alkaline earth metal ions in the water, adjusting pH of the water, and dissolving a water-soluble component of organism-ash in the water.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: October 11, 2022
    Inventors: Osamu Sugiyama, Yuka Mizuguchi, Kana Mizuguchi, Etsuko Mizuguchi
  • Publication number: 20200325018
    Abstract: A method for producing hydrogen gas, is disclosed which is characterized by reacting “mineral ion water containing at least alkaline earth metal ions and having pH of 11 or more to 14 or less” and “mineral-supported high-temperature burned carbonaceous substances made by impregnating mineral ion water in an organism-derived carbon precursor and burning the precursor at high temperature”; a mineral-supported high-temperature burned carbonaceous substance for the above-mentioned method of producing of hydrogen gas; and a method for producing mineral ion water for the above-mentioned method of producing hydrogen gas, wherein the mineral ion water is made by dissolving at least oxide, hydroxide, carbonate, or hydrogencarbonate of magnesium or calcium in water to contain alkaline earth metal ions in the water, adjusting pH of the water, and dissolving a water-soluble component of organism-ash in the water.
    Type: Application
    Filed: August 13, 2018
    Publication date: October 15, 2020
    Inventors: Osamu Sugiyama, Yuka Mizuguchi, Kana Mizuguchi, Etsuko Mizuguchi