Patents by Inventor Shiro Saitoh

Shiro Saitoh 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).

  • Automatic liquid soap supply device
    Patent number: 5299713
    Abstract: An automatic liquid soap supply device is formed of: a plurality of sub-units each having a use detection circuit for detecting the use of a liquid soap supply tap and a pump driving circuit connected with the use detection circuit, pumps each disposed to each of the sub-units, connected to each of the pump driving circuits for supplying a liquid soap to each of the supply taps and a main unit having a single power source circuit connected with each of the use detection circuits.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: April 5, 1994
    Assignee: Inax Corporation
    Inventor: Shiro Saitoh