Patents by Inventor Yoshinao Kashino

Yoshinao Kashino 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).

  • Sewage treatment apparatus
    Patent number: 5336402
    Abstract: Disclosed is a sewage treatment apparatus formed of an aeration chamber; and a settling chamber, into which aerated water is introduced from the aeration chamber for sedimentation of sludges. In this apparatus, the settling chamber is disposed upwardly of the aeration chamber. A bottom portion of the settling chamber serves as a hopper unit having a surface tapered downwards to an opening for discharging the sludges. A washing water supply unit for flowing out the washing water for washing away the deposited sludges is provided towards the hopper unit.
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: August 9, 1994
    Assignee: INAX Corporation
    Inventors: Tatsuro Yamamoto, Yoshinao Kashino