Patents by Inventor Naritoshi Ozawa

Naritoshi Ozawa 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).

  • Cleaning apparatus
    Patent number: 6386466
    Abstract: A cleaning apparatus includes a nozzle having an ejection port, a cleaning liquid path communicating with the ejection port, and a compressed gas path communicating with the ejection port. The cleaning apparatus further includes a cleaning liquid feeding component for feeding a cleaning liquid to the cleaning liquid path, and a compressed gas feeding component for feeding a compressed gas to the compressed gas path. The compressed gas is ejected from the ejection port through the compressed gas path, while the cleaning liquid is ejected from the ejection port through the cleaning liquid path.
    Type: Grant
    Filed: April 11, 2000
    Date of Patent: May 14, 2002
    Assignee: Disco Corporation
    Inventors: Naritoshi Ozawa, Xiaoming Qiu, Satoshi Ohkawara