Patents by Inventor Yukiko Nishioka

Yukiko Nishioka 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).

  • Method for deodorizing and refreshing for dry cleaning and dry cleaning apparatus using such method
    Patent number: 5488842
    Abstract: The present invention provides a method for deodorizing and refreshing petroleum group solvent used in a dry cleaning apparatus, and a dry cleaning apparatus using such a method, which can maintain the circulating solvent in a fresh condition for a long time, eliminate a bad smell of the solvent, provide highly stable cleaning ability and good cleaning finish, and prevent ignition and explosion of the solvent to ensure safety.
    Type: Grant
    Filed: August 24, 1994
    Date of Patent: February 6, 1996
    Assignee: Ebara Corporation
    Inventors: Yukiko Nishioka, Ichiro Kamiya, Ryoichi Shinjo, Yoshihiro Ishii, Koichi Kosaka