Patents by Inventor Akiko Yagi

Akiko Yagi 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).

  • Patent number: 9481618
    Abstract: A cyclopolyarylene compound represented by Formula (1): wherein k is the same or different, and each represents 0, 1 or 2; m is the same or different, and each represents 1, 2 or 3; and n represents 3, 4, 5 or 6.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: November 1, 2016
    Assignee: National University Corporation Nagoya University
    Inventors: Kenichiro Itami, Yasutomo Segawa, Akiko Yagi
  • Patent number: 8915900
    Abstract: A disposable diaper having front and rear waist regions that comprise an upper elasticized region extending in a vicinity of a waist-opening periphery, lower elasticized regions, intermediate elasticized region extending between the upper elasticized region and the lower elasticized regions and outside longitudinally opposite ends of a liquid-absorbent structure. At least in the front waist region of the front and rear waist regions, there is a non-elasticized region opposed to a central zone of a liquid-absorbent core wherein a tensile stress of the intermediate elasticized region is lower than a tensile stress of the upper elasticized region.
    Type: Grant
    Filed: August 14, 2008
    Date of Patent: December 23, 2014
    Assignee: Uni-Charm Corporation
    Inventors: Takaaki Shimada, Akiko Yagi, Hideaki Maki
  • Publication number: 20140066661
    Abstract: A cyclopolyarylene compound represented by Formula (1): wherein k is the same or different, and each represents 0, 1 or 2; m is the same or different, and each represents 1, 2 or 3; and n represents 3, 4, 5 or 6.
    Type: Application
    Filed: March 9, 2012
    Publication date: March 6, 2014
    Applicant: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
    Inventors: Kenichiro Itami, Yasutomo Segawa, Akiko Yagi
  • Patent number: 8486039
    Abstract: The present invention provides a disposable diaper which prevents body waste from leaking sideways without sacrificing a bodily fluid absorbing capacity of a liquid-absorbent structure and to assure a high retention for urine and discharged feces. The waist elastic members includes first and second waist elastic members wherein elastic members extend in the transverse direction across opposite lateral regions so as not to present in central zones of front and rear waist regions. The second waist elastic members in the front waist region extend from transverse opposite side edges of the front waist region in the transverse direction beyond transverse opposite side edges of a liquid-absorbent core while the second elastic members in the rear waist region extend from transverse opposite side edges in the transverse direction and terminate short of the side edges of the core.
    Type: Grant
    Filed: August 15, 2008
    Date of Patent: July 16, 2013
    Assignee: Uni-Charm Corporation
    Inventors: Takaaki Shimada, Akiko Yagi, Hideaki Maki
  • Publication number: 20110022019
    Abstract: The present invention provides a disposable diaper improved so as to prevent body waste from leaking sideways without sacrificing a bodily fluid absorbing capacity of a liquid-absorbent structure and to assure appropriate fitness to the wearer's body. In each of front and rear waist regions 13, 14, a disposable diaper 10 comprises an upper elasticized region 18 extending in a vicinity of a waist-opening periphery 16a, lower elasticized regions 20A, 20B, intermediate elasticized region 19 extending between the upper elasticized region 18 and the lower elasticized regions 20A, 20B and outside longitudinally opposite ends 12a, 12b of a liquid-absorbent structure 12, and, at least in the front waist region 13 of the front and rear waist regions 13, 14, a non-elasticized region 30 opposed to a central zone of a liquid-absorbent core wherein a tensile stress of the intermediate elasticized region 19 is lower than a tensile stress of the upper elasticized region 18.
    Type: Application
    Filed: August 14, 2008
    Publication date: January 27, 2011
    Inventors: Takaaki Shimada, Akiko Yagi, Hideaki Maki
  • Publication number: 20100324519
    Abstract: The present invention provides a disposable diaper improved so as to prevent body waste from leaking sideways without sacrificing a bodily fluid absorbing capacity of a liquid-absorbent structure and to assure a high retention for urine and discharged feces. The waist elastic members includes first waist elastic members 31 extending in a transverse direction in a vicinity of a waist-opening 16 and second waist elastic members 32 provided between leg-opening 17 and first elastic members 31 and the first elastic members and extending in the transverse direction across opposite lateral regions so as not to present in central zones of front and rear waist regions 13, 14.
    Type: Application
    Filed: August 15, 2008
    Publication date: December 23, 2010
    Inventors: Takaaki Shimada, Akiko Yagi, Hideaki Maki
  • Publication number: 20100312214
    Abstract: The present invention on its first aspect provides a disposable diaper improved so as to prevent body waste from leaking sideways without sacrificing a bodily fluid absorbing capacity of a liquid-absorbent structure and to assure appropriate fitness to the wearer's body. In each of front and rear waist regions 13, 14, a disposable diaper 10 comprises an upper elasticized region 18 extending in a vicinity of a waist-opening periphery 16a, lower elasticized regions 20A, 20B, intermediate elasticized region 19 extending between the upper elasticized region 18 and the lower elasticized regions 20A, 20B and outside longitudinally opposite ends 12a, 12b of a liquid-absorbent structure 12, and, at least in the front waist region 13 of the front and rear waist regions 13, 14, a non-elasticized region 30 opposed to a central zone of a liquid-absorbent core wherein a tensile stress of the intermediate elasticized region 19 is lower than a tensile stress of the upper elasticized region 18.
    Type: Application
    Filed: September 16, 2008
    Publication date: December 9, 2010
    Inventors: Takaaki Shimada, Akiko Yagi, Hideaki Maki
  • Patent number: 7329246
    Abstract: Here is disclosed a disposable pull-on wearing article improved so that a body fluid absorbent core may be curved about a crotch region toward front and rear waist regions without forming thick creases creating a feeling of discomfort against a wearer, and wherein a concavity bulging downward may be quickly formed in the crotch region as the core is curved. The article includes a body fluid absorbent core which includes a first core lying on a transverse middle of a crotch region and a pair of second cores lying on both sides of the first core. Front and rear end portions of the respective second cores are spaced apart from the first core by slit-like gaps and intermediate portions extending between the front and rear end portions are contiguous to the first core. Outer side edges of the respective second cores are formed with laid down V-shape cutouts.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: February 12, 2008
    Assignee: Uni-Charm Corporation
    Inventors: Akiyoshi Kinoshita, Yoshio Ono, Tomoko Tsuji, Akiko Yagi
  • Publication number: 20050148988
    Abstract: Here is disclosed a disposable pull-on wearing article improved so that a body fluid absorbent core may be curved about a crotch region toward front and rear waist regions without forming thick creases creating a feeling of discomfort against a wearer, and wherein a concavity bulging downward may be quickly formed in the crotch region as the core is curved. The article includes a body fluid absorbent core which includes a first core lying on a transverse middle of a crotch region and a pair of second cores lying on both sides of the first core. Front and rear end portions of the respective second cores are spaced apart from the first core by slit-like gaps and intermediate portions extending between the front and rear end portions are contiguous to the first core. Outer side edges of the respective second cores are formed with laid down V-shape cutouts.
    Type: Application
    Filed: May 21, 2004
    Publication date: July 7, 2005
    Applicant: Uni-Charm Corporation
    Inventors: Akiyoshi Kinoshita, Yoshio Ono, Tomoko Tsuji, Akiko Yagi