Patents by Inventor Hirobumi Kato

Hirobumi Kato 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).

  • Cleaning method
    Patent number: 4655847
    Abstract: Dry-ice particles are blasted against an object to be cleaned under the presence of ice particles, whereby drawbacks in the case of blasting the dry-ice particles alone can be eliminated.
    Type: Grant
    Filed: July 17, 1984
    Date of Patent: April 7, 1987
    Inventors: Tsuyoshi Ichinoseki, Hirobumi Kato, Shuji Miyahara, Harumi Kimuro