Patents by Inventor Keijiro Sawano

Keijiro Sawano 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).

  • Quick replay device
    Patent number: 4050699
    Abstract: A quick replay device of a portable record player with an adapter comprising a small disk, a springily pivotal elbow and a hooky pickup arm, said disk having a pivot for said elbow with a spring connection against a stopper on said disk, said elbow catching and lifting up said pickup arm at an innermost groove of a record to move over said record and to set down said pickup on a outermost groove of said record.
    Type: Grant
    Filed: June 7, 1976
    Date of Patent: September 27, 1977
    Inventor: Keijiro Sawano