Patents by Inventor Fumihiko HOSOKOSHI

Fumihiko HOSOKOSHI 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).

  • Insulating molded body and gas circuit breaker
    Patent number: 11322322
    Abstract: An insulating molded body to be used for an arc extinguishing device of a gas circuit breaker is provided. The insulating molded body includes a fluororesin mixture which contains a fluororesin and an oxygen generator configured to generate oxygen through thermal decomposition at 450° C. or more and 1,150° C. or less with an arc generated when a conduction current is interrupted. The oxygen generator is dispersed in the fluororesin. Also provided is a gas circuit breaker including an insulating nozzle formed of the insulating molded body.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: May 3, 2022
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shuichi Hiza, Takashi Kawana, Fumihiko Hosokoshi, Motohiro Sato, Kenji Mimura
  • INSULATING MOLDED BODY AND GAS CIRCUIT BREAKER
    Publication number: 20200357587
    Abstract: An insulating molded body to be used for an arc extinguishing device of a gas circuit breaker is provided. The insulating molded body includes a fluororesin mixture which contains a fluororesin and an oxygen generator configured to generate oxygen through thermal decomposition at 450° C. or more and 1,150° C. or less with an arc generated when a conduction current is interrupted. The oxygen generator is dispersed in the fluororesin. Also provided is a gas circuit breaker including an insulating nozzle formed of the insulating molded body.
    Type: Application
    Filed: October 30, 2018
    Publication date: November 12, 2020
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shuichi HIZA, Takashi KAWANA, Fumihiko HOSOKOSHI, Motohiro SATO, Kenji MIMURA