Patents Assigned to Sumiko Yamaguchi
  • Patent number: 5007119
    Abstract: An infant's chair which provides safe confinement of an infant while the infant is being shampooed comprises a smoothly depressed seat part formed on the upper side of a chair proper and two back parts of dissimilar lengths obliquely extended upwardly from the opposite ends of the seat part. The upper end of either of the back parts receives the back of the infants's neck when he is laid on his back with his buttocks mounted on the seat part and his back stretched over the back part.
    Type: Grant
    Filed: March 1, 1989
    Date of Patent: April 16, 1991
    Assignees: Sumiko Yamaguchi, Tomohiro Shirakawa
    Inventor: Sumiko Yamaguchi