Patents by Inventor Mihoko Kuramochi

Mihoko Kuramochi 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: 11241341
    Abstract: An absorbent article includes a body and a hip holding portion. The body has a shape having a predetermined length in a front-rear direction and a predetermined width in a direction perpendicular to the front-rear direction. The hip holding portion includes a side region protruding from a rear side portion of the body and a rear region protruding from the rear end of the body, and includes a first protruding portion including a portion where the width of the body from a centerline in the front-rear direction is largest, a first depressed portion forward of and adjacent to the first protruding portion, and a second protruding portion forward of and adjacent to the first depressed portion in the side region. The width of the second protruding portion from the centerline is smaller than or equal to the smallest width of the first depressed portion from the centerline.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: February 8, 2022
    Assignee: DAIO PAPER CORPORATION
    Inventor: Mihoko Kuramochi
  • Patent number: 11234871
    Abstract: An absorbent article (1) includes a hip hold portion (H) and a main body (8) including a liquid-pervious topsheet (3), a liquid-impervious backsheet (2), and an absorbent member (4) arranged between the topsheet and the backsheet. The main body has a shape with a prescribed length in the front-back direction and a prescribed width in the direction orthogonal to the front-back direction. The hip hold portion includes a side region (10) protruding from a backward side portion of the main body, and the side region includes a first protrusion (41) including a portion having a greatest width from a front-back direction centerline of the main body, a first recess (51) that is in front of and adjacent to the first protrusion, and a second protrusion (42) that is in front of and adjacent to the first recess.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: February 1, 2022
    Assignee: DAIO PAPER CORPORATION
    Inventor: Mihoko Kuramochi
  • Patent number: 11219561
    Abstract: An absorbent article includes: a main body (8) including a liquid permeable top sheet (3), a liquid impermeable back sheet (2), and an absorbent body (4) interposed between the top sheet and the back sheet; and a hip-holding portion (H), wherein the main body has a shape having a predetermined length in a front-back direction and a predetermined width in a direction orthogonal to the front-back direction, and wherein the hip-holding portion includes a side region protruding from a side of a rear portion of the main body, the side region including a first projection (41) that includes a portion having a largest width from a center line in the front-back direction of the main body, a first recess (51) that is located adjacent to and forward of the first projection, and a second projection (52) that is located adjacent to and forward of the first recess, and wherein the back sheet in the side region has a slip preventive portion for securing the absorbent article, the slip preventive portion being disposed so as
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: January 11, 2022
    Assignee: DAIO PAPER CORPORATION
    Inventor: Mihoko Kuramochi
  • Patent number: 11197786
    Abstract: A compressed groove point (16) where compressed grooves (12) formed bilaterally and symmetrically on both sides of a center line (CL) in a lengthwise direction of a sanitary napkin (1) or lines extended from center lines of the compressed grooves (12) intersect with each other at a position corresponding to a front end (31) of a intergluteal cleft of a wearer is formed, and a right and left pair of outline inflection points (17) is formed in an outline of a rear end of the sanitary napkin (1) formed into a bilateral and symmetric wavelike shape.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: December 14, 2021
    Assignee: DAIO PAPER CORPORATION
    Inventor: Mihoko Kuramochi
  • Patent number: 10772771
    Abstract: A sanitary napkin (1) includes an absorbent (4) interposed between a liquid permeable top sheet (3) and a back sheet (2), wherein the liquid permeable top sheet (3) has multiple protruding parts (10) that protrude towards a skin side and that are formed at intervals, embossed parts (11) compressed from the skin side, and opening parts (12) that penetrate the liquid permeable top sheet (3), the embossed parts (11) and opening parts (12) being formed, around the protruding parts (10), to be separate from each other. Skin side extending parts (13) are provided at peripheries of the opening parts (12) such that the skin side extending parts (13) protrude towards the skin side at heights lower than heights of the protruding parts (10).
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: September 15, 2020
    Assignee: DAIO PAPER CORPORATION
    Inventor: Mihoko Kuramochi
  • Patent number: 10729591
    Abstract: To provide excellent skin touch feeling, a compression resistant and durable concavo-convex shape providing an uneven feeling, and excellent absorption performance, a sanitary napkin is provided that includes an absorber interposed between a permeable front surface sheet embossed into a concavo-convex shape and a back surface sheet and a hydrophilic third sheet disposed between the permeable front surface sheet and the absorber. The permeable front surface sheet is a laminate structure that includes a fine fiber skin contact surface layer made of fine fibers having a fineness of less than 2.0 dtex and a crimped fiber layer laminated on the non-skin contact surface of the fine fiber layer and the crimped fibers have a fineness of from 3.0 to 5.0 dtex.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: August 4, 2020
    Assignee: DAIO PAPER CORPORATION
    Inventor: Mihoko Kuramochi
  • Publication number: 20200188191
    Abstract: The present invention relates to an absorbent article such as a sanitary napkin, a panty liner, and an incontinence pad, and more particularly to an absorbent article in which a skin-side surface of a back side part of an absorbent body has a front-surface side concave groove recessed to the non-skin side and a plurality of partitioned absorption parts partitioned by the front-surface side concave groove and a non-skin-side surface of the back side part of the absorbent body has a gluteal cleft-facing concave groove recessed to the skin side.
    Type: Application
    Filed: July 12, 2018
    Publication date: June 18, 2020
    Applicant: DAIO PAPER CORPORATION
    Inventor: Mihoko KURAMOCHI
  • Publication number: 20200121518
    Abstract: An absorbent article (1) includes a body (8) including a liquid-permeable top sheet (3), a liquid-impermeable bottom sheet (2), and an absorber (4) provided between the top sheet and the bottom sheet, and a hip holding portion (H). The body has a shape having a predetermined length in a front-rear direction and a predetermined width in a direction perpendicular to the front-rear direction. The hip holding portion includes a side region protruding from a rear side portion of the body and a rear region protruding from the rear end of the body, and includes a first protruding portion (41) including a portion where the width of the body from a centerline in the front-rear direction is largest, a first depressed portion (51) forward of and adjacent to the first protruding portion, and a second protruding portion (42) forward of and adjacent to the first depressed portion in the side region.
    Type: Application
    Filed: July 20, 2017
    Publication date: April 23, 2020
    Inventor: Mihoko KURAMOCHI
  • Publication number: 20200121517
    Abstract: An absorbent article (1) includes a hip hold portion (H) and a main body (8) including a liquid-pervious topsheet (3), a liquid-impervious backsheet (2), and an absorbent member (4) arranged between the topsheet and the backsheet. The main body has a shape with a prescribed length in the front-back direction and a prescribed width in the direction orthogonal to the front-back direction. The hip hold portion includes a side region (10) protruding from a backward side portion of the main body, and the side region includes a first protrusion (41) including a portion having a greatest width from a front-back direction centerline of the main body, a first recess (51) that is in front of and adjacent to the first protrusion, and a second protrusion (42) that is in front of and adjacent to the first recess.
    Type: Application
    Filed: July 20, 2017
    Publication date: April 23, 2020
    Inventor: Mihoko KURAMOCHI
  • Publication number: 20190290506
    Abstract: An absorbent article includes: a main body (8) including a liquid permeable top sheet (3), a liquid impermeable back sheet (2), and an absorbent body (4) interposed between the top sheet and the back sheet; and a hip-holding portion (H), wherein the main body has a shape having a predetermined length in a front-back direction and a predetermined width in a direction orthogonal to the front-back direction, and wherein the hip-holding portion includes a side region protruding from a side of a rear portion of the main body, the side region including a first projection (41) that includes a portion having a largest width from a center line in the front-back direction of the main body, a first recess (51) that is located adjacent to and forward of the first projection, and a second projection (52) that is located adjacent to and forward of the first recess, and wherein the back sheet in the side region has a slip preventive portion for securing the absorbent article, the slip preventive portion being disposed so as
    Type: Application
    Filed: July 20, 2017
    Publication date: September 26, 2019
    Applicant: Daio Paper Corporation
    Inventor: Mihoko KURAMOCHI
  • Publication number: 20190282414
    Abstract: A compressed groove point (16) where compressed grooves (12) formed bilaterally and symmetrically on both sides of a center line (CL) in a lengthwise direction of a sanitary napkin (1) or lines extended from center lines of the compressed grooves (12) intersect with each other at a position corresponding to a front end (31) of a intergluteal cleft of a wearer is formed, and a right and left pair of outline inflection points (17) is formed in an outline of a rear end of the sanitary napkin (1) formed into a bilateral and symmetric wavelike shape.
    Type: Application
    Filed: January 24, 2017
    Publication date: September 19, 2019
    Inventor: Mihoko KURAMOCHI
  • Patent number: 10258513
    Abstract: A wing-shaped flap has a front side outline extending outward from a main body, a back side outline which extends outward from the main body and a tip end side outline which connects the front side outline and the back side outline. The tip end side outline includes a tip end side outline front portion extending outward from an end portion of the front side outline and a tip end side outline back portion extending outward from an end portion of the back side outline, and an intersection between the tip end side outline front portion and the tip end side outline back portion forms an outermost side end portion in a width direction of the wing-shaped flap and is located on a front side with respect to a center point of a length between the end portion of the front side outline and the end portion of the back side outline in a longitudinal direction of an absorbent article.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: April 16, 2019
    Assignee: DAIO Paper Corporation
    Inventor: Mihoko Kuramochi
  • Publication number: 20180221220
    Abstract: A sanitary napkin (1) includes an absorbent (4) interposed between a liquid permeable top sheet (3) and a back sheet (2), wherein the liquid permeable top sheet (3) has multiple protruding parts (10) that protrude towards a skin side and that are formed at intervals, embossed parts (11) compressed from the skin side, and opening parts (12) that penetrate the liquid permeable top sheet (3), the embossed parts (11) and opening parts (12) being formed, around the protruding parts (10), to be separate from each other. Skin side extending parts (13) are provided at peripheries of the opening parts (12) such that the skin side extending parts (13) protrude towards the skin side at heights lower than heights of the protruding parts (10).
    Type: Application
    Filed: August 17, 2016
    Publication date: August 9, 2018
    Inventor: Mihoko KURAMOCHI
  • Publication number: 20160361210
    Abstract: A wing-shaped flap has a front side outline extending outward from a main body, a back side outline which extends outward from the main body and a tip end side outline which connects the front side outline and the back side outline. The tip end side outline includes a tip end side outline front portion extending outward from an end portion of the front side outline and a tip end side outline back portion extending outward from an end portion of the back side outline, and an intersection between the tip end side outline front portion and the tip end side outline back portion forms an outermost side end portion in a width direction of the wing-shaped flap and is located on a front side with respect to a center point of a length between the end portion of the front side outline and the end portion of the back side outline in a longitudinal direction of an absorbent article.
    Type: Application
    Filed: November 20, 2014
    Publication date: December 15, 2016
    Inventor: Mihoko KURAMOCHI
  • Publication number: 20160220421
    Abstract: To provide excellent skin touch feeling, a compression resistant and durable concavo-convex shape providing an uneven feeling, and excellent absorption performance, a sanitary napkin is provided that includes an absorber interposed between a permeable front surface sheet embossed into a concavo-convex shape and a back surface sheet and a hydrophilic third sheet disposed between the permeable front surface sheet and the absorber. The permeable front surface sheet is a laminate structure that includes a fine fiber skin contact surface layer made of fine fibers having a fineness of less than 2.0 dtex and a crimped fiber layer laminated on the non-skin contact surface of the fine fiber layer and the crimped fibers have a fineness of from 3.0 to 5.0 dtex.
    Type: Application
    Filed: September 9, 2014
    Publication date: August 4, 2016
    Inventor: Mihoko KURAMOCHI
  • Patent number: 9198810
    Abstract: [Problem to be Solved] To prevent curling of wing-shaped flaps to reduce an unnatural fit. [Solution] At least a part of the outline of a wing-shaped flap W has a wavy or curved line or wavy and curved lines in combination. A plurality of dot embosses 22 are provided on an outer edge along the outline of the wing-shaped flap W. Moreover, functional embosses 23 relatively larger in area than the dot embosses 22 are provided at the positions of convex portions 20 where the outline of the wing-shaped flap protrudes outward. Furthermore, central embosses 24 relatively larger in area than the dot embosses 22 are provided in a region where the dot emboss 22 is not provided, at the center of the wing-shaped flap.
    Type: Grant
    Filed: October 29, 2012
    Date of Patent: December 1, 2015
    Assignee: DAIO PAPER CORPORATION
    Inventor: Mihoko Kuramochi
  • Patent number: 9023004
    Abstract: In an absorptive article, fitting performance is improved by following the shape and movement of a body, and wrinkles in a blood discharge opening corresponding portion are eliminated and wearing comfort is improved by separating movement of each part from each other so that the blood discharge opening corresponding portion is not affected.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: May 5, 2015
    Assignee: Daio Paper Corporation
    Inventor: Mihoko Kuramochi
  • Publication number: 20140288520
    Abstract: [Problem to be Solved] To prevent curling of wing-shaped flaps to reduce an unnatural fit. [Solution] At least a part of the outline of a wing-shaped flap W has a wavy or curved line or wavy and curved lines in combination. A plurality of dot embosses 22 are provided on an outer edge along the outline of the wing-shaped flap W. Moreover, functional embosses 23 relatively larger in area than the dot embosses 22 are provided at the positions of convex portions 20 where the outline of the wing-shaped flap protrudes outward. Furthermore, central embosses 24 relatively larger in area than the dot embosses 22 are provided in a region where the dot emboss 22 is not provided, at the center of the wing-shaped flap.
    Type: Application
    Filed: October 29, 2012
    Publication date: September 25, 2014
    Inventor: Mihoko Kuramochi
  • Publication number: 20120265162
    Abstract: In an absorptive article, fitting performance is improved by following the shape and movement of a body, and wrinkles in a blood discharge opening corresponding portion are eliminated and wearing comfort is improved by separating movement of each part from each other so that the blood discharge opening corresponding portion is not affected.
    Type: Application
    Filed: December 22, 2010
    Publication date: October 18, 2012
    Applicant: DAIO PAPER CORPORATION
    Inventor: Mihoko Kuramochi