Patents by Inventor Takehiro Iitsuka

Takehiro Iitsuka 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).

  • GIS-TYPE ZEOLITE FORMED BODY, ADSORPTION APPARATUS, SEPARATION METHOD, AND GIS-TYPE ZEOLITE
    Publication number: 20240216888
    Abstract: A GIS-type zeolite formed body including a GIS-type zeolite and a carrier, in which, when a total amount of substance of potassium and lithium is defined as A and a total amount of substance of an alkali metal is defined as C, C/A?1.30 is satisfied.
    Type: Application
    Filed: May 26, 2022
    Publication date: July 4, 2024
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Yuji SUZUE, Kouji NOMURA, Takayuki AKAOGI, Takehiro IITSUKA
  • Method for converting olefin or alcohol and method for producing propylene or aromatic compound
    Patent number: 9573862
    Abstract: A method for converting an olefin or an alcohol has a pretreatment step of obtaining a conductive catalyst by a pretreatment for suppressing electrostatic charging of a non-conductive catalyst and a step of converting an olefin or an alcohol by a fluidized bed reaction using the conductive catalyst.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: February 21, 2017
    Assignee: ASAHI KASEI CHEMICALS CORPORATION
    Inventors: Takehiro Iitsuka, Yoshikazu Takamatsu
  • METHOD FOR CONVERTING OLEFIN OR ALCOHOL AND METHOD FOR PRODUCING PROPYLENE OR AROMATIC COMPOUND
    Publication number: 20150152024
    Abstract: A method for converting an olefin or an alcohol has a pretreatment step of obtaining a conductive catalyst by a pretreatment for suppressing electrostatic charging of a non-conductive catalyst and a step of converting an olefin or an alcohol by a fluidized bed reaction using the conductive catalyst.
    Type: Application
    Filed: August 9, 2013
    Publication date: June 4, 2015
    Applicant: ASAHI KASEI CHEMICALS CORPORATION
    Inventors: Takehiro Iitsuka, Yoshikazu Takamatsu