Patents by Inventor Satoru Sakaguchi

Satoru Sakaguchi 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: 11529267
    Abstract: This non-woven fabric comprises the following configuration. In this non-woven fabric for a liquid-permeable sheet of an absorbent article, said non-woven fabric comprising a thickness direction, a planar direction, a first face, and a second face: the non-woven fabric includes thermoplastic resin fibers, and cellulosic fibers, at least a portion whereof configures a plurality of fiber masses; the non-woven fabric further comprises a plurality of spaces which are adjacent to first regions of each of the plurality of fiber masses, said first regions facing the first face; and each of the plurality of fiber masses is not bonded to the thermoplastic resin fibers.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: December 20, 2022
    Assignee: UNICHARM CORPORATION
    Inventors: Takuya Miyama, Satoru Sakaguchi, Masashi Uda
  • Patent number: 11369526
    Abstract: A disposable diaper having a front-rear direction and a width direction that is orthogonal to the front-rear direction, includes: a front waistline region; a rear waistline region; a crotch region disposed between the front waistline region and the rear waistline region; an absorbent core; a skin surface side sheet disposed on a skin facing surface side from the absorbent core; a waistband disposed on the skin facing surface side of the skin surface side sheet in the rear waistline region; and a fastening tape disposed in the rear waistline region and that includes a locking portion.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: June 28, 2022
    Assignee: Unicharm Corporation
    Inventors: Takashi Matsui, Yasuhiro Yamanaka, Satoru Sakaguchi
  • Patent number: 11229559
    Abstract: An absorbent article has front and back surface sheets, and an absorbent body disposed within the front surface sheet and back surface sheet laminate. The absorbent article is further provided with a stretchable waist member disposed within the laminate in a manner enabling stretching in the width direction, and a pair of stretchable side members formed on the peripheral edge of the laminate in a manner enabling stretching in the width direction. One member and the other member of the pair of stretchable side members are formed, respectively, on one end and the other end of the laminate in the width direction. The stretchable waist member overlaps with each of the pair of stretchable side members in the lengthwise direction, is disposed further on the non-skin side than the absorbent body in the thickness direction, and overlaps with the absorbent body in the thickness direction but is not joined thereto.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: January 25, 2022
    Assignee: UNICHARM CORPORATION
    Inventors: Satoru Sakaguchi, Maika Takahashi
  • Patent number: 11197788
    Abstract: A packaging body for absorbent articles which can further attract an attention of a user and can increase a desire of purchase of the user is provided. The packaging body for absorbent articles includes absorbent articles and a bag-shaped packaging sheet for packaging a plurality of absorbent articles. The packaging sheet includes a surface constituting an outer surface of the packaging body, and a back surface that constitutes an inner surface of the packaging body and comes into contact with the absorbent articles. The surface of the packaging sheet has a plurality of surface recesses formed so as to be recessed toward the back surface side and the back surface of the packaging sheet has a plurality of back surface recesses formed so as to be recessed toward the surface.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: December 14, 2021
    Assignee: UNICHARM CORPORATION
    Inventors: Takuya Miyama, Satoru Sakaguchi, Yasushi Kihara, Takeshi Hanajiri, Kayoko Kashiwagi
  • Patent number: 11179277
    Abstract: An absorbent article has front and back surface sheets, and an absorbent body disposed within the front surface sheet and back surface sheet laminate. The absorbent article is further provided with a stretchable waist member disposed within the laminate in a manner enabling stretching in the width direction. The stretchable waist member is disposed between the absorbent body and the front surface sheet in the thickness direction and is joined to the front surface sheet. A portion of the stretchable waist member overlaps with and touches the absorbent body in the thickness direction but is not joined thereto, and the portion of the stretchable waist member that does not overlap with the absorbent body in the thickness direction is joined to the back surface sheet.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: November 23, 2021
    Assignee: UNICHARM CORPORATION
    Inventors: Satoru Sakaguchi, Maika Takahashi
  • Publication number: 20210282981
    Abstract: A disposable diaper having a front-rear direction and a width direction includes: a first waistline region; a second waistline region; a crotch; an absorbent core; a waistband; a body portion disposed on a non-skin facing surface side of the waistband; and a space that opens toward the crotch region disposed on the non-skin facing surface side of the waistband. The body portion includes a first outer end edge that is an outer end edge in the front-rear direction in the first waistline region. In a natural state of half fold in which the waistband is sandwiched by the body portion and the disposable diaper is folded at a fold line extending in the width direction as a base point in the crotch region, a part of the waistband protrudes from the first outer end edge in the front-rear direction.
    Type: Application
    Filed: June 1, 2021
    Publication date: September 16, 2021
    Applicant: UNICHARM CORPORATION
    Inventors: Takashi Matsui, Yasuhiro Yamanaka, Satoru Sakaguchi
  • Publication number: 20210267821
    Abstract: An absorbent pad (1) for an underweight baby has a lengthwise direction, a width direction, and a thickness direction which are perpendicular to one another, and has an absorbent body (2). The length (L1) in the lengthwise direction is 180 mm or less, and the length (W1) in the width direction is less than 75 mm.
    Type: Application
    Filed: May 18, 2021
    Publication date: September 2, 2021
    Applicant: UNICHARM Corporation
    Inventors: Maki Tsujii, Yasuhiro Yamanaka, Satoru Sakaguchi
  • Patent number: 11026850
    Abstract: A nonwoven fabric for an outer sheet of an absorbent article has a liquid-impermeable sheet having moisture vapor permeability, the nonwoven fabric having a thickness direction and a planar direction, and a first surface and a second surface, the nonwoven fabric including thermoplastic resin fibers, and cellulosic fibers that are cellulosic fibers of which at least a portion form a plurality of fiber masses, the nonwoven fabric comprising a plurality of gaps that are adjacent to first regions of each of the plurality of fiber masses that are facing the first surface, wherein each of the plurality of fiber masses are not joined with the thermoplastic resin fibers.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: June 8, 2021
    Assignee: UNICHARM CORPORATION
    Inventors: Takuya Miyama, Satoru Sakaguchi, Masashi Uda
  • Publication number: 20210113388
    Abstract: A disposable diaper having a front-rear direction and a width direction that is orthogonal to the front-rear direction, includes: a front waistline region; a rear waistline region; a crotch region disposed between the front waistline region and the rear waistline region; an absorbent core; a skin surface side sheet disposed on a skin facing surface side from the absorbent core; a waistband disposed on the skin facing surface side of the skin surface side sheet in the rear waistline region; and a fastening tape disposed in the rear waistline region and that includes a locking portion.
    Type: Application
    Filed: December 29, 2020
    Publication date: April 22, 2021
    Applicant: UNICHARM CORPORATION
    Inventors: Takashi Matsui, Yasuhiro Yamanaka, Satoru Sakaguchi
  • Publication number: 20200390621
    Abstract: A low-weight infant diaper has a longitudinal direction and a width direction that intersect each other. The low-weight infant diaper includes: an exterior sheet disposed closer to a non-skin side than an absorbent body; and a belt including a first locking member on a first side in the width direction and a second locking member on a second side opposite to the first side in the width direction. The belt is locked to a non-skin side of the exterior sheet by the first locking member. The belt includes a first additional joining portion that causes a part of the belt to join the exterior sheet. The first additional joining portion is disposed in a region in the first side.
    Type: Application
    Filed: August 26, 2020
    Publication date: December 17, 2020
    Applicant: UNICHARM Corporation
    Inventors: Maki Tsujii, Yasuhiro Yamanaka, Satoru Sakaguchi
  • Publication number: 20200390619
    Abstract: A low-weight infant diaper has a longitudinal direction, a width direction, and a thickness direction that intersect each other. The low-weight infant diaper includes: an absorbent body including at least an absorbent core; an exterior sheet disposed closer to a non-skin side than the absorbent body; and belts including a first locking member on a first side in longitudinal direction of the belts and a second locking member on a second side opposite to the first side in the longitudinal direction of the belts. The absorbent body includes a longitudinal outward end (LOE) in the longitudinal direction. The absorbent core includes an LOE in the longitudinal direction. The exterior sheet includes an LOE in the longitudinal direction. The first locking member includes an LOE in the longitudinal direction.
    Type: Application
    Filed: August 28, 2020
    Publication date: December 17, 2020
    Applicant: UNICHARM Corporation
    Inventors: Maki Tsujii, Yasuhiro Yamanaka, Satoru Sakaguchi
  • Publication number: 20200390620
    Abstract: A low-weight infant diaper includes: an absorbent body; an exterior sheet disposed closer to a non-skin side than the absorbent body; a pair of belts; and a first marker that indicates a lock position where one or more of the belts are locked to the non-skin-side surface of the exterior sheet. Each of the belts comprises a first locking member on a first side in a longitudinal direction of the belts and a second locking member on an opposite side of the first side in the longitudinal direction. The first and second locking members cause each of the belts to be locked to a non-skin-side surface of the exterior sheet. The marker is visible from a non-skin-side surface of the exterior sheet.
    Type: Application
    Filed: August 28, 2020
    Publication date: December 17, 2020
    Applicant: UNICHARM Corporation
    Inventors: Maki Tsujii, Yasuhiro Yamanaka, Satoru Sakaguchi
  • Patent number: 10779999
    Abstract: A disposable absorbent article, having a front-back direction that is perpendicular to a width direction and a thickness direction that extends from a skin contact surface side to a non-skin contact surface side of a wearer, includes: an absorbent constituent; a liquid-permeable topsheet that is disposed on the skin contact surface side of the absorbent constituent; and a leakage-preventing sheet that is disposed on at least one of an outside, in the thickness direction, of the absorbent constituent, and an outside, in the width direction, of the absorbent constituent. The leakage-preventing sheet includes a water repelling layer including a nonwoven fabric. The nonwoven fabric of the water repelling layer includes fiber and has an average fiber diameter of 0.5 to 10 ?m. The water repelling layer includes a water repelling section where a group of particles adhere to a surface of the fiber.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: September 22, 2020
    Assignee: Unicharm Corporation
    Inventors: Takuya Miyama, Satoru Sakaguchi
  • Publication number: 20200268571
    Abstract: This non-woven fabric comprises the following configuration. In this non-woven fabric for a liquid-permeable sheet of an absorbent article, said non-woven fabric comprising a thickness direction, a planar direction, a first face, and a second face: the non-woven fabric includes thermoplastic resin fibers, and cellulosic fibers, at least a portion whereof configures a plurality of fiber masses; the non-woven fabric further comprises a plurality of spaces which are adjacent to first regions of each of the plurality of fiber masses, said first regions facing the first face; and each of the plurality of fiber masses is not bonded to the thermoplastic resin fibers.
    Type: Application
    Filed: October 17, 2016
    Publication date: August 27, 2020
    Inventors: Takuya MIYAMA, Satoru SAKAGUCHI, Masashi UDA
  • Patent number: 10617574
    Abstract: An absorbent article includes an absorbent main body, side flaps, leakage barriers, and an elastic member joined in between the side flaps in the absorbent main body, and stretchable and shrinkable in a width direction. Each leakage barrier includes a standing portion in which an outer side in the width direction is a fixed end, and an inner side in the width direction is a free end, and a supporting portion which is adjacent to one end portion in a longitudinal direction of the standing portion and overlaps with the elastic member in a thickness direction. The supporting portion is fixed to the absorbent main body by the heat welding portion. Each side flap is folded to the inner side in the width direction at a position of a folding line which passes through the supporting portion and extends along the longitudinal direction in a plan view.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: April 14, 2020
    Assignee: UNICHARM CORPORATION
    Inventors: Satoru Sakaguchi, Maika Takahashi
  • Publication number: 20200038266
    Abstract: A disposable diaper includes side flaps; pieces of fastening tape respectively arranged on widthwise side portions of the side flaps; and joining portions each of which joins a portion of each piece of the fastening tape to a non-skin side of the side flaps in the thickness direction. In an unfolded state, for each of the pieces of fastening tape, a magnitude of force applied at a time when the joining portion is peeled off when a region of the fastening tape that is outward in the width direction with respect to the joining portion is pulled in an outward direction is greater than a minimum value of an magnitude of force applied at a time when the joining portion is peeled off when a region of the fastening tape that is inward with respect to the joining portion is pulled in any outward direction.
    Type: Application
    Filed: September 29, 2017
    Publication date: February 6, 2020
    Inventors: Satoru SAKAGUCHI, Yasuhiro YAMANAKA, Maki TSUJII
  • Publication number: 20200022849
    Abstract: A disposable absorbent article, having a front-back direction that is perpendicular to a width direction and a thickness direction that extends from a skin contact surface side to a non-skin contact surface side of a wearer, includes: an absorbent constituent; a liquid-permeable topsheet that is disposed on the skin contact surface side of the absorbent constituent; and a leakage-preventing sheet that is disposed on at least one of an outside, in the thickness direction, of the absorbent constituent, and an outside, in the width direction, of the absorbent constituent. The leakage-preventing sheet includes a water repelling layer including a nonwoven fabric. The nonwoven fabric of the water repelling layer includes fiber and has an average fiber diameter of 0.5 to 10 ?m. The water repelling layer includes a water repelling section where a group of particles adhere to a surface of the fiber.
    Type: Application
    Filed: December 19, 2017
    Publication date: January 23, 2020
    Applicant: Unicharm Corporation
    Inventors: Takuya Miyama, Satoru Sakaguchi
  • Patent number: 10537480
    Abstract: An absorbent article capable of giving a sense of higher security to a user is provided. The absorbent article includes nonwoven fabric. The nonwoven fabric includes organic cotton fibers. The organic cotton fibers form a plurality of fiber lumps in the nonwoven fabric. The fiber lumps are configured to be visible from the outside. The light transmittance of the portion corresponding to the fiber lumps in the nonwoven fabric is lower than the light transmittance of a portion where the fiber lumps are not present in the nonwoven fabric.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: January 21, 2020
    Assignee: UNICHARM CORPORATION
    Inventors: Takuya Miyama, Satoru Sakaguchi, Masashi Uda
  • Patent number: 10470946
    Abstract: A top sheet of a disposable diaper includes projections and depressions. The projection and the depression extend in the front-back direction, and are arranged alternately in the width direction. The top sheet includes a first region disposed at least in the rear waistline region and a second region disposed at least in a crotch region. A height of the first projection is higher than a height of the second projection. A first depression is provided with a widthwise projection configured to divide a space in a first depression extending in a front-back direction. A pitch of the first projection in the width direction is larger than a pitch of the second projection in the width direction.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: November 12, 2019
    Assignee: UNICHARM CORPORATION
    Inventors: Takuya Miyama, Satoru Sakaguchi, Masashi Uda
  • Patent number: D935606
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: November 9, 2021
    Assignee: UNICHARM CORPORATION
    Inventors: Takashi Matsui, Yasuhiro Yamanaka, Satoru Sakaguchi