Patents by Inventor Katsuzi Ashida

Katsuzi Ashida 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).

  • Patent number: 3948777
    Abstract: This invention relates to a solution separating and recovering equipment:The equipment is formed by overlapping one or more sets of plates each of which includes a separating plate having a separation module or separating element therein which is formed by zigzag bending and laminating a flat microporous membrane, a solution guide plate and a permeate guide plate.
    Type: Grant
    Filed: September 16, 1974
    Date of Patent: April 6, 1976
    Assignee: Yuasa Battery Company Limited
    Inventors: Kazuo Murata, Katsuzi Ashida