Patents by Inventor Kyoji Kokufuda

Kyoji Kokufuda 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 machining rollers and other objects using laser light and equipment for machining
    Patent number: 5837329
    Abstract: By irradiating with high-intensity pulsed laser light of wavelength 9.0.mu. to 11.0.mu. the organic film on rollers, and specifically, the film on photosensitive drums, fixing rollers, rubber rollers, and magnetic rollers used in photocopying equipment, printers, facsimile machines, and other equipment, said film can be removed from the roller surface without damaging the underlying metal layer in any way. Metal cylinders from which film has been removed by this method can either be reused as is, or may be recoated, and then, reused as rollers in photocopying equipment, printers, and facsimile machines.Furthermore, a method is disclosed, wherein laser light irradiation is used to remove film from the surface of various rollers, as is equipment for roller machining and processing.
    Type: Grant
    Filed: August 28, 1996
    Date of Patent: November 17, 1998
    Assignee: Shinozaki Manufacturing Co., Ltd.
    Inventor: Kyoji Kokufuda