Patents by Inventor Hideaki Natsui

Hideaki Natsui 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).

  • Grinding sheet and grinding method
    Patent number: 7435163
    Abstract: The present invention provides a grinding sheet wherein the width of the ridge in the pattern of abrasive layer is larger than the width of the recess formed between the adjacent portions of the ridge. Its shape is suitable to carry out uniform treatment without causing the workpiece to drop into the recess between ridge portions of the pattern of abrasive layer even when the workpiece is swung while the grinding sheet is rotated during grinding operation.
    Type: Grant
    Filed: February 20, 2007
    Date of Patent: October 14, 2008
    Assignees: TMP Co., Ltd., SAE Magnetics (H.K.) Ltd., SAE Technologies (H.K.) Ltd.
    Inventors: Hideaki Natsui, Makoto Saito, Kazuya Orii, Ryuji Fujii, Koji Hosaka
  • Grinding sheet and grinding method
    Publication number: 20070232200
    Abstract: The present invention provides a grinding sheet wherein the width of the ridge in the pattern of abrasive layer is larger than the width of the recess formed between the adjacent portions of the ridge. Its shape is suitable to carry out uniform treatment without causing the workpiece to drop into the recess between ridge portions of the pattern of abrasive layer even when the workpiece is swung while the grinding sheet is rotated during grinding operation.
    Type: Application
    Filed: February 20, 2007
    Publication date: October 4, 2007
    Inventors: Hideaki Natsui, Makoto Saito, Kazuya Orii, Ryuji Fujii, Koji Hosaka