Patents by Inventor Shoichiro SUEOKA

Shoichiro SUEOKA 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).

  • Semiconductor crystal and power generation method
    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
  • SEMICONDUCTOR CRYSTAL AND POWER GENERATION METHOD
    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