Patents by Inventor Michio Aoyama

Michio Aoyama 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).

  • Electrostatic positioner
    Patent number: 5303117
    Abstract: An electrostatic positioner with one or more first electrodes for producing forces to confine a charged specimen in the direction perpendicular to a center axis and second electrodes for producing forces to confine the charged specimen in the direction of the center axis.
    Type: Grant
    Filed: June 9, 1993
    Date of Patent: April 12, 1994
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Masaaki Ogihara, Michio Aoyama, Tsumoru Fujii, Yuji Ikegami, Joji Shinohara
  • Method of mixing of dispersing particles with an electrode assembly
    Patent number: 5076706
    Abstract: A method of and an apparatus for mixing or dispersing particles with use of gradient force produced by a contact type electric field curtain. The particles are mixed or dispersed by permitting them to be put in a dielectric container and pass through the action area of the electric field curtain.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: December 31, 1991
    Assignee: Koshin Denki Kogyo Co., Ltd.
    Inventors: Akira Shibuya, Michio Aoyama, Isao Kimura
  • Method of and apparatus for mixing or dispersing particles
    Patent number: 4988208
    Abstract: A method of and an apparatus for mixing or dispersing particles using a gradient force produced by a contact type electric field curtain. The particles are mixed or dispersed by permitting them to be put in a dielectric container and passing them through the area of influence of the electric field curtain.
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: January 29, 1991
    Assignee: Koshin Kenki Kogyo Co., Ltd.
    Inventors: Akira Shibuya, Michio Aoyama, Isao Kimura