Patents by Inventor Yoshiro Ohtsu

Yoshiro Ohtsu 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: 5327613
    Abstract: A wiping and spraying apparatus is provided for wiping away dirty articles such as dead insects caked on the surface of a windshield of an automobile. The apparatus includes a wiper blade with adjustable depression force as well as first and second reservoirs of cleaning fluid. A valve is fluidly connected with the reservoirs to selectively allow either of the fluids to be sprayed onto the windshield. The apparatus further includes a control unit to operate the apparatus by automatically operating spraying and wiping, including adjustment of the depression force, according to two modes of operation.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: July 12, 1994
    Assignee: Nissan Motor Co., Ltd.
    Inventor: Yoshiro Ohtsu