Patents by Inventor Satonovu Yoshikawa

Satonovu Yoshikawa 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).

  • Liquid spraying device
    Patent number: 4221339
    Abstract: A liquid atomizing and spraying device which can be operated with a relatively low air pressure. The spraying device has three coaxial tubular passages; an inner one for air, an intermediate one for liquid, and an outer one for air; which are shaped to have the liquid ejected as a thin film having a divergently conical shape which is caused to vibrate by the air which is being ejected in a vortex flow for generating cusps on the film in an electrostatic field for being finely atomized and projected.
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: September 9, 1980
    Assignee: Nakaya Sangyo Kabushiki Kaisha
    Inventor: Satonovu Yoshikawa