Patents by Inventor Tetsuhiko MIZUSAKA

Tetsuhiko MIZUSAKA 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: 20220243035
    Abstract: Provided is a cellulose solution (a composition) in which decomposition of cellulose does not easily proceed even if heated. Further, provided is a method for producing a cellulose fiber excellent in mechanical strength. The composition includes cellulose and a compound represented by the following formula (1), a concentration of 1-methylimidazolium chloride being 300 ppm or less on a mass basis with respect to the compound represented by the formula (1). In the formula (1), R is an alkyl group having 2 to 6 carbon atoms, and Me is a methyl group.
    Type: Application
    Filed: April 21, 2020
    Publication date: August 4, 2022
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Kimihiro AOYAMA, Tetsuhiko MIZUSAKA, Yasuyoshi NAKAYASU, Yasuo GOTOH
  • Patent number: 10811584
    Abstract: A semiconductor crystal containing a clathrate compound represented by the following formula (I), the semiconductor crystal having one end portion and the other end portion, wherein the one and the other end portions differ in concentration of at least one element in the formula (I): AxDyE46-y??(I) wherein A represents at least one element selected from the group consisting of Ba, Na, Sr, and K, D represents at least one element selected from the group consisting of B, Ga, and In, E represents at least one element selected from the group consisting of Si, Ge, and Sn, x is 7 or more and 8 or less, and y is 14 or more and 20 or less.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: October 20, 2020
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Shoichiro Sueoka, Tetsuhiko Mizusaka, Shinji Munetoh
  • Publication number: 20190341539
    Abstract: A semiconductor crystal containing a clathrate compound represented by the following formula (I), the semiconductor crystal having one end portion and the other end portion, wherein the one and the other end portions differ in concentration of at least one element in the formula (I): AxDyE46-y??(I) wherein A represents at least one element selected from the group consisting of Ba, Na, Sr, and K, D represents at least one element selected from the group consisting of B, Ga, and In, E represents at least one element selected from the group consisting of Si, Ge, and Sn, x is 7 or more and 8 or less, and y is 14 or more and 20 or less.
    Type: Application
    Filed: January 16, 2018
    Publication date: November 7, 2019
    Applicant: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Shoichiro SUEOKA, Tetsuhiko MIZUSAKA, Shinji MUNETOH