Patents by Inventor Kazunao HAREYAMA

Kazunao HAREYAMA 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).

  • Carbon material and production method for same
    Patent number: 10975501
    Abstract: A method for producing a carbon material, the method including a step of performing a carbonization treatment by heating an organic polymer material to a temperature higher than 400° C. in a non-oxidizing atmosphere containing a gaseous substance (A) composed of at least one of acetylene and an acetylene derivative.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: April 13, 2021
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Manabu Yamatani, Tomoyuki Kotani, Tomoyoshi Yamashita, Kazunao Hareyama
  • CARBON MATERIAL AND PRODUCTION METHOD FOR SAME
    Publication number: 20180202079
    Abstract: A method for producing a carbon material, the method including a step of performing a carbonization treatment by heating an organic polymer material to a temperature higher than 400° C. in a non-oxidizing atmosphere containing a gaseous substance (A) composed of at least one of acetylene and an acetylene derivative.
    Type: Application
    Filed: July 14, 2016
    Publication date: July 19, 2018
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Manabu YAMATANI, Tomoyuki KOTANI, Tomoyoshi YAMASHITA, Kazunao HAREYAMA