Patents Assigned to Hiroshi Muroi
  • Patent number: 4542547
    Abstract: A mat unit for a bed may be selectively inflated or deflated, to change the posture of an individual lying on the bed, in a natural and gentle manner. A plurality of such mat units may make up a bed. Selective inflation and/or deflation of any number of these mat units may be controlled to change the posture of, and even turn over, an individual who is seriously handicapped or extremely bedridden.
    Type: Grant
    Filed: December 14, 1983
    Date of Patent: September 24, 1985
    Assignee: Hiroshi Muroi
    Inventor: Hisashi Sato