Patents by Inventor Mitsue Hada

Mitsue Hada 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: 4877534
    Abstract: An adsorbent mainly comprises a mixture of a carbonized material and a soil either as it is or in the shaped or granulated form. The adsorbent is utilized for removing various contaminants occurring in water and air.
    Type: Grant
    Filed: April 29, 1988
    Date of Patent: October 31, 1989
    Assignees: Konosuke Nishida, Mitsue Hada, Hanshim Kikagaku Kabushiki Kaisha
    Inventors: Konosuke Nishida, Mitsue Hada, Shozo Hiki