Patents by Inventor Kohzoh Habuchi

Kohzoh Habuchi 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 sheet
    Patent number: 6726541
    Abstract: A cleaning sheet has a foamed sheet and a polishing layer with abrading particles on its surface. Mutually disconnected indentations are formed through the polishing layer reaching the foamed sheet in a uniform point pattern including a plurality of mutually adjacent ginkgo-leaf shaped figures for collecting cullet and dust particles therethrough into air bubbles opening on the upper surface of the foamed sheet.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: April 27, 2004
    Assignees: Nihon Microcoating Co., Ltd., International Business Machines Corporation
    Inventors: Eiji Nakamura, Masaaki Tamura, Kohzoh Habuchi
  • Cleaning sheet
    Publication number: 20030068967
    Abstract: A cleaning sheet has a foamed sheet and a polishing layer with abrading particles on its surface. Mutually disconnected indentations are formed through the polishing layer reaching the foamed sheet in a uniform point pattern including a plurality of mutually adjacent ginko-leaf shaped figures for collecting cullet and dust particles therethrough into air bubbles opening on the upper surface of the foamed sheet.
    Type: Application
    Filed: June 3, 2002
    Publication date: April 10, 2003
    Inventors: Eiji Nakamura, Masaaki Tamura, Kohzoh Habuchi