Patents Assigned to K. S. Consult Service Co., Inc.
  • Patent number: 4987022
    Abstract: Non-inflammable light-weighing tough boards to be used for structural and decorative material in housing and building, such as, decorative ceiling boards, sliding door overlays, partitions and so on, prepared by corrugating cardboard made of phosphated wood pulp and inorganic fiber and processing the so obtained corrugated board by impregnating with a toughening solution of inorganic toughening agent and then drying it.
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: January 22, 1991
    Assignees: Keisuke Ueno, United Board Co., Ltd., K. S. Consult Service Co., Inc.
    Inventor: Keisuke Ueno