Patents by Inventor Syoichi TAKEMOTO

Syoichi TAKEMOTO 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).

  • Spark plug for internal combustion engine
    Patent number: 9972977
    Abstract: A spark plug 5 for an internal combustion engine includes a center electrode 1, an insulator 2, and a housing 3. The insulator 2 includes a distal end side exposed part and an insulator enlarged diameter part 21. The housing 3 includes a lateral electrode 32, an engaging part 33, and a crimping portion 35. A buffer member 4 that restrains the distal end side exposed part 20 by pressing a part of the distal end side exposed part 20 toward the center and a part of the inner peripheral surface of the lateral electrode 32 in a radial direction at a distal end side of the engaging part 33 is disposed at a base end side of the gas pocket 230.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: May 15, 2018
    Assignee: DENSO CORPORATION
    Inventors: Aki Miyawaki, Atsushi Honda, Syoichi Takemoto, Akihiro Ando, Takanobu Aochi, Masamichi Shibata
  • SPARK PLUG FOR INTERNAL COMBUSTION ENGINE
    Publication number: 20170194769
    Abstract: A spark plug 5 for an internal combustion engine includes a center electrode 1, an insulator 2, and a housing 3. The insulator 2 includes a distal end side exposed part and an insulator enlarged diameter part 21. The housing 3 includes a lateral electrode 32, an engaging part 33, and a crimping portion 35. A buffer member 4 that restrains the distal end side exposed part 20 by pressing a part of the distal end side exposed part 20 toward the center and a part of the inner peripheral surface of the lateral electrode 32 in a radial direction at a distal end side of the engaging part 33 is disposed at a base end side of the gas pocket 230.
    Type: Application
    Filed: April 15, 2015
    Publication date: July 6, 2017
    Inventors: Aki MIYAWAKI, Atsushi HONDA, Syoichi TAKEMOTO, Akihiro ANDO, Takanobu AOCHI, Masamichi SHIBATA