Patents by Inventor Tohoru Kubota

Tohoru Kubota 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).

  • Garbage disposal
    Patent number: 5687918
    Abstract: A garbage disposal for decomposing garbage with microorganisms. The garbage disposal has a tank containing a mixture of garbage, a medium having microorganisms, stirring means for stirring the mixture in the tank in order to supply air into the mixture, and control means for controlling water content percentage of the mixture. The control means controls a stirring of the mixture and/or a temperature of the mixture and/or an air volume blown on the mixture in order to keep water content percentage in a proper value at which the microorganisms are active and a lifetime of the medium is extended.
    Type: Grant
    Filed: March 15, 1995
    Date of Patent: November 18, 1997
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tohoru Kubota, Yoshimi Ishikawa, Seizo Ishine, Toshio Ohtsuki, Hiroshi Tamura, Syunro Kawaguchi, Kazuhiro Narusaka, Hidehisa Ide