Patents by Inventor Noukou Toyama

Noukou Toyama 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).

  • Publication number: 20030008601
    Abstract: A porous, roll-grinding tool has an abrasive surface which is adapted to contact and grind the surface of a roll and configured to a planar polygonal shape having 4 to 20 sides. Using the grinding tool, a roll can be ground within a satisfactory dimensional tolerance, with feed marks crossing the circumferential direction of the roll at a small feed mark pitch inclination angle, so that no streaky printing defects will be produced when the ground roll is used in printing.
    Type: Application
    Filed: June 28, 2002
    Publication date: January 9, 2003
    Applicant: SHINANO ELECTRIC REFINING CO., LTD.
    Inventors: Noukou Toyama, Kenichi Kazama
  • Patent number: 6468138
    Abstract: A porous, roll-grinding tool has an abrasive surface which is adapted to contact and grind the surface of a roll and configured to a planar polygonal shape having 4 to 20 sides. Using the grinding tool, a roll can be ground within a satisfactory dimensional tolerance, with feed marks crossing the circumferential direction of the roll at a small feed mark pitch inclination angle, so that no streaky printing defects will be produced when the ground roll is used in printing.
    Type: Grant
    Filed: July 1, 1999
    Date of Patent: October 22, 2002
    Assignee: Shinano Electric Refining Co., Ltd.
    Inventors: Noukou Toyama, Kenichi Kazama