Patents by Inventor Mituaki Hasida

Mituaki Hasida 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: 5245714
    Abstract: A whirlpool bath is provided with a bathtub body, a circulating pump, a hot water circulation path disposed between said bathtub body and said circulating pump, a plurality of blow-off nozzles which are mounted on said respective terminal ends of the hot water circulation path, and an air intake portion connected to the hot water circulation path to permit blowing of air-mixed hot water into said bathtub body from the blow-off nozzles and control means for selectively controlling the degree of opening of each blow-off nozzle, the degree of opening of the air intake portion and the number of revolutions of said circulating pump to provide blow-off of the hot water in various modes which are different in the blow-off amount and pressure. Namely, the whirlpool bath is capable of giving various kinds of massaging effect including a stimulating effect and a relaxing effect to a bather.
    Type: Grant
    Filed: December 27, 1989
    Date of Patent: September 21, 1993
    Assignee: Toto Ltd.
    Inventors: Hisato Haraga, Yasutoshi Inatomi, Takashi Obata, Mituaki Hasida, Koichi Uchiyama, Kenji Moriyama