Patents Assigned to Mitsue Hada
  • Adsorbent for removing water- or air-borne contaminants
    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