Patents by Inventor Masakatsu Nakanishi

Masakatsu Nakanishi 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).

  • Combustion safety apparatus
    Patent number: 4395226
    Abstract: A combustion safety apparatus wherein combustion exhaust gas of a burner is arranged to be introduced into a detecting tube having a tubular oxygen concentration cell element, and a safety valve is arranged to be controlled in operation by the output of the cell element. The detecting tube is in communication at its outlet opening with a mixing tube of the foregoing burner or another burner.
    Type: Grant
    Filed: August 14, 1980
    Date of Patent: July 26, 1983
    Assignee: Rinnai Kabushiki Kaisha
    Inventors: Masakatsu Nakanishi, Toshiyuki Nomura
  • Process for preventing growth of marine organisms on a substance using hydrogen peroxide
    Patent number: 4324784
    Abstract: A process for preventing growth of marine animals, i.e. shellfish, Polyzoa, and Hydrozoa on a surface, characterized by supplying hydrogen peroxide and/or a hydrogen peroxide-generating agent into sea water in contact with the surface is disclosed. Surfaces of apparatus and/or pipe constituting flow paths for sea water and plant utilizing sea water are kept clean by the process.
    Type: Grant
    Filed: March 19, 1980
    Date of Patent: April 13, 1982
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Akira Naito, Toru Hayakawa, Masakatsu Nakanishi, Sunao Ikuta, Shoichiro Kajiwara, Hitoshi Yamaguchi