Patents by Inventor Masaru Tsubata

Masaru Tsubata 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).

  • Absorbent product
    Patent number: 7842019
    Abstract: In an absorbent product such as a diaper comprising a back sheet, an absorber, and a skin contact sheet, the skin contact sheet is disposed on the absorber as the uppermost layer which comes in contact with the skin of the wearer and has openings which allow the passage of excretions. The absorber and the skin contact sheet are joined only at both ends of the absorbent product in the longitudinal directions.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: November 30, 2010
    Assignees: Oji Paper Co., Ltd., Japan Absorbent Technology Institute
    Inventors: Katsuhiko Sugiyama, Yoshiaki Takamatsu, Rie Kuwabara, Masaru Tsubata, Migaku Suzuki
  • Absorbent Product
    Publication number: 20080065038
    Abstract: In an absorbent product such as a diaper comprising a back sheet, an absorber, and a skin contact sheet, the skin contact sheet is disposed on the absorber as the uppermost layer which comes in contact with the skin of the wearer and has openings which allow the passage of excretions. The absorber and the skin contact sheet are joined only at both ends of the absorbent product in the longitudinal directions.
    Type: Application
    Filed: October 31, 2007
    Publication date: March 13, 2008
    Inventors: Katsuhiko Sugiyama, Yoshiaki Takamatsu, Rie Kuwabara, Masaru Tsubata, Migaku Suzuki
  • Absorber product
    Publication number: 20040039363
    Abstract: In an absorbent product such as a diaper comprising a back sheet, an absorber, and a skin contact sheet, the skin contact sheet is disposed on the absorber as the uppermost layer which comes in contact with the skin of the wearer and has openings which allow the passage of excretions. The absorber and the skin contact sheet are joined only at both ends of the absorbent product in the longitudinal directions.
    Type: Application
    Filed: December 17, 2002
    Publication date: February 26, 2004
    Inventors: Katsuhiko Sugiyama, Yoshiaki Takamatsu, Rie Kuwabara, Masaru Tsubata, Migaku Suzuki
  • Disposable diaper
    Patent number: 5624424
    Abstract: A disposable diaper having an excellent fit to the wearer has an outer member (2) having front and back waist sections (4, 5) and crotch sections (6), and a liquid absorbent member (3), wherein the outer member includes an outermost sheet layer (21) and a pair of side liner sheet layers (22), and the liquid absorbent member includes a liquid non-permeable back sheet layer (13), a liquid permeable top sheet layer (14) and a liquid absorbent pad layer (15) interposed between the back and top sheet layers, each side liner sheet layer being formed from a composite sheet including an elastic sheet ply capable of expansion and contraction in the transversal direction of the diaper and at least one non-elastic sheet ply laminated on at least one surface of the elastic sheet ply and capable of elongation in the transversal direction of the diaper.
    Type: Grant
    Filed: February 21, 1995
    Date of Patent: April 29, 1997
    Assignee: New OJI Paper Co., Ltd.
    Inventors: Miyuki Saisaka, Masaru Tsubata, Yoshio Hirai, Mie Takahashi, Sadayoshi Terada