Patents by Inventor Kunio Yikai

Kunio Yikai 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).

  • Air cleaner including an electrostatic precipitator
    Patent number: 5055115
    Abstract: An air cleaner has an electric precipitating apparatus that employs corona discharge and an ozone removing apparatus downstream of the precipitating apparatus. The ozone removing apparatus has a carbon filter, and is charged with a low positive voltage to remove ozone generated by the precipitating apparatus by chemical conversion to oxygen and carbon dioxide.
    Type: Grant
    Filed: June 5, 1989
    Date of Patent: October 8, 1991
    Assignees: Hiroaki Kanazawa, Katsumune Shiraishi
    Inventors: Kunio Yikai, Hiroaki Kanazawa
  • Air cleaner and air filter
    Patent number: 5034032
    Abstract: An air cleaner and an air filter for removing charged ozone in the air includes an air filter having a carbon filter for adsorbing charged ozone in an air path of the air cleaner and converting ozone adsorbed in the carbon filter to oxygen and carbon dioxide by a chemical reaction. A positive voltage is applied to the carbon filter.
    Type: Grant
    Filed: June 5, 1989
    Date of Patent: July 23, 1991
    Assignees: Hiroaki Kanazawa, Katsumune Shiraishi
    Inventors: Kunio Yikai, Hiroaki Kanazawa