Patents by Inventor Tatsuhiko Nishiyauchi

Tatsuhiko Nishiyauchi 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).

  • Recyclable water-resistant corrugated fiberboard sheet
    Patent number: 6794016
    Abstract: A water-resistant corrugated fiber board sheet having a high water resistance and capable of being recycled after the use contains a water-resistant linerboard adhered to both surfaces of a corrugated, water-resistant core sheet, The water repellency (JIS P8137) of at least one of both surfaces of the corrugated, water-resistant core sheet and the core sheet-side surface of the water-resistant linerboard in the recyclable water-resistant corrugated fiber board sheet is at least R 6 and the Cobb water absorption (JIS P8140; contact time: 30 minutes) of the surface of the corrugated fiberboard sheet is not higher than 30 gm2.
    Type: Grant
    Filed: June 27, 2002
    Date of Patent: September 21, 2004
    Assignee: Oji Paper Co., Ltd.
    Inventors: Masahiro Kumabe, Fumito Ogawa, Masaru Yamakoshi, Tatsuhiko Nishiyauchi
  • Recyclable water-resistant corrugated fiberboard sheet
    Publication number: 20030087065
    Abstract: The present invention provides a water-resistant corrugated fiberboard sheet having a high water resistance and capable of being recycled after the use.
    Type: Application
    Filed: June 27, 2002
    Publication date: May 8, 2003
    Applicant: OJI PAPER CO., LTD
    Inventors: Masahiro Kumabe, Fumito Ogawa, Masaru Yamakoshi, Tatsuhiko Nishiyauchi