Patents by Inventor Yoshi Ikeda

Yoshi Ikeda 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).

  • Rotary pump with radial yieldable partitions and rotatable side plate
    Patent number: 4334842
    Abstract: A volume pump which comprises a cylindrical pump chamber including therein a plurality of compartments which are radially formed with flexible partitions and side plates adapted to close opposite open sides of the pump chamber, suction and delivery means arranged in relation to the pump chamber and a deflection means disposed at a center of the pump chamber to successively compress each compartment.
    Type: Grant
    Filed: February 1, 1979
    Date of Patent: June 15, 1982
    Inventors: Yoshi Ikeda, Kenji Osada, Kazumi Doi
  • Pump with yieldable radial partitions and rotatable side plates
    Patent number: 4004865
    Abstract: A volume pump which comprises a cylindrical pump chamber including therein a plurality of compartments which are radially formed with flexible partitions and side plates adapted to close opposite open sides of the pump chamber, suction and delivery means arranged in relation to the pump chamber and a deflection means disposed at a center of the pump chamber to successively compress each compartment.
    Type: Grant
    Filed: April 29, 1974
    Date of Patent: January 25, 1977
    Assignee: Nikkiso Eiko Co., Ltd.
    Inventors: Yoshi Ikeda, Kenji Osada, Kazumi Doi