Patents by Inventor Naoki Sei

Naoki Sei 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).

  • Body massaging apparatus of water current type
    Patent number: 5010605
    Abstract: A body massaging apparatus of a circulated water current type to be used for lean figure beauty, comprises bathtub for storing therein water and accomodating therein at least one patient in a state close to a lying attitude with the face upward. The bathtub is formed with an inlet opening for introducing the water into the bathtub and an outlet opening for discharging the water from the bathtub. The inlet opening is positioned to confront the back of the patient's body, while the outlet opening is positioned opposite to the inlet opening. A circulating conduit for circulating the water through the bathub is disposed outside of the bathtub and connects the outlet opening with the inlet opening.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: April 30, 1991
    Assignee: Ricoh Company, Ltd.
    Inventors: Toshio Shiina, Keiko Miyamoto, Kouji Izumi, Yasuro Hayashi, Yonenobu Karasawa, Satoru Uematsu, Naoki Sei