Patents by Inventor Yoriyuki Hayashi

Yoriyuki Hayashi 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).

  • Emergency mask
    Patent number: 4677976
    Abstract: The disclosed emergency mask comprises a hood, a face piece in the hood for respiration, and a canister-holder secured to the outer surface of the hood and communicating with the face piece. The canister-holder has an inlet opening to hold a canister containing antidote and check valves to prevent the user's expiration from entering the canister.
    Type: Grant
    Filed: March 27, 1984
    Date of Patent: July 7, 1987
    Assignees: Toyo Cci Kabushiki Kaisha, Katsumi Fujinuma
    Inventors: Katsumi Fujinuma, Tsuneyoshi Takase, Yoriyuki Hayashi
  • Emergency mask
    Patent number: 4572178
    Abstract: The disclosed emergency mask has an air-purifying canister containing a combination of a smoke-filter, a desiccant, an adsorbent, and hopkalite catalyzer, so as to remove noxious gas generated during fire.
    Type: Grant
    Filed: March 27, 1984
    Date of Patent: February 25, 1986
    Assignee: Toyo CCI Kabushiki Kaisha
    Inventors: Tsuneyoshi Takase, Yoriyuki Hayashi
  • Method of removing arsenic in hydrocarbons
    Patent number: 4462896
    Abstract: Method of removing arsenic in hydrocarbons such as LPG, wherein arsenic compounds in the gaseous hydrocarbon are reacted with a metal oxide catalyst and adsorbed on the catalyst and partially oxidized by the catalyst.
    Type: Grant
    Filed: October 26, 1982
    Date of Patent: July 31, 1984
    Assignees: Osaka Petrochemical Industries Ltd., Toyo CCI Kabushiki Kaisha
    Inventors: Hiroshi Kitagawa, Teruyuki Onodera, Toshiyuki Fukushima, Yoriyuki Hayashi