Patents by Inventor Takefumi KIMATA

Takefumi KIMATA 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).

  • Honeycomb structure
    Patent number: 10888856
    Abstract: A honeycomb structure including: a pillar-shaped honeycomb structure portion having an outer peripheral wall and partition walls disposed on an inner side of the outer peripheral wall and defining a plurality of cells extending from one end face to another end face to form flow paths; and at least an electrode portion disposed on an outer surface of the outer peripheral wall of the pillar-shaped honeycomb structure portion, wherein the pillar-shaped honeycomb structure portion is formed of ceramics containing either or both of Si and SiC, the electrode portion contains either or both of a metal and a metal compound in addition to an oxide, and a volume ratio of the oxide on an inner peripheral side of the electrode portion is higher than a volume ratio of the oxide on an outer peripheral side of the electrode portion.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: January 12, 2021
    Assignee: NGK Insulators, Ltd.
    Inventors: Takefumi Kimata, Takahiro Tomita
  • HONEYCOMB STRUCTURE
    Publication number: 20190314802
    Abstract: A honeycomb structure including: a pillar-shaped honeycomb structure portion having an outer peripheral wall and partition walls disposed on an inner side of the outer peripheral wall and defining a plurality of cells extending from one end face to another end face to form flow paths; and at least an electrode portion disposed on an outer surface of the outer peripheral wall of the pillar-shaped honeycomb structure portion, wherein the pillar-shaped honeycomb structure portion is formed of ceramics containing either or both of Si and SiC, the electrode portion contains either or both of a metal and a metal compound in addition to an oxide, and a volume ratio of the oxide on an inner peripheral side of the electrode portion is higher than a volume ratio of the oxide on an outer peripheral side of the electrode portion.
    Type: Application
    Filed: April 9, 2019
    Publication date: October 17, 2019
    Applicant: NGK INSULATORS, LTD.
    Inventors: Takefumi KIMATA, Takahiro TOMITA