Patents by Inventor Daisuke Komatsubara

Daisuke Komatsubara 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).

  • Publication number: 20250008927
    Abstract: A pet diaper includes a main body portion composed of at least a front sheet, a back sheet, and an absorbent core disposed between the front sheet and the back sheet. The main body portion has a ventral side configured to cover a ventral side of a pet and a dorsal side configured to cover a dorsal side of the pet. The main body portion includes a first cut portion configured to form a first opening through which a tail of the pet is inserted and a second cut portion configured to form a second opening through which feces of the pet pass, the second opening having a larger area than the first opening. At least a part of the first cut portion and a part of the second cut portion are disposed on an outer surface of the main body portion in a folded state.
    Type: Application
    Filed: September 20, 2024
    Publication date: January 9, 2025
    Applicant: Unicharm Corporation
    Inventors: Yumi Koido, Daisuke Komatsubara
  • Publication number: 20240342014
    Abstract: A disposable diaper for a pet includes: a main body including a topsheet, a backsheet, and an absorbent core between the topsheet and the backsheet; a tail hole for a tail of the pet, formed through the main body; a first linear cut part formed in the main body and configured to be torn by a user hand to enlarge the tail hole; a second linear cut part formed in the main body to be on a same line as the first linear cut part and farther from the tail hole than is the first linear cut part, the second linear cut part being configured to be torn by the user hand to connect to the first linear cut part and further enlarge the tail hole; and a tail mark portion that is formed on the backsheet.
    Type: Application
    Filed: June 28, 2024
    Publication date: October 17, 2024
    Applicant: UNICHARM CORPORATION
    Inventor: Daisuke Komatsubara
  • Publication number: 20240325217
    Abstract: A pet diaper for a pet includes an absorbent body including an absorbent core and a pair of fastening tabs extending outward from edges of the absorbent body in a width direction. The absorbent body, having a tail hole through which a tail of the pet passes, includes a center portion in which the absorbent core is disposed and a pair of side portions protruding outward from edges of the absorbent core in the width direction. In the width direction, a maximum width of the absorbent core is larger than a maximum width of either of the pair of side portions. A width in the width direction of at least a portion of a region of the absorbent core between the pair of fastening tabs is narrowed toward the tail hole.
    Type: Application
    Filed: June 13, 2024
    Publication date: October 3, 2024
    Applicant: Unicharm Corporation
    Inventors: Daisuke Komatsubara, Yumi Koido, Daichi Fukumoto
  • Publication number: 20240188531
    Abstract: A pet sheet includes a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body disposed between the liquid-permeable top sheet and the liquid-impermeable back sheet. The liquid-impermeable back sheet has an adhesive surface. The liquid-permeable top sheet, the liquid-impermeable back sheet, and the absorbent body are disposed such that a light transmittance is 60% or less. The pet sheet is configured to be overlaid on an animal excrement disposal sheet.
    Type: Application
    Filed: February 19, 2024
    Publication date: June 13, 2024
    Applicant: Unicharm Corporation
    Inventors: Mami Yamashita, Hideyuki Onishi, Daisuke Komatsubara
  • Patent number: 11938007
    Abstract: A pet diaper includes: a top sheet; a back-surface sheet; an absorbent core disposed between the top sheet and the back-surface sheet; a tail hole portion including a hole body through which a tail of a pet is inserted; and an upright leak-proof gather including a rising portion including a contraction portion in which a leak-proof elastic member is disposed in a stretched state in a longitudinal direction, and a lateral fixed portion that is disposed away from the rising portion toward a lateral outer side and that functions as a rising fulcrum of the rising portion. The tail hole portion is disposed at a position that is away from an end edge of the absorbent core on the rear side toward the rear side. The contraction portion is disposed straddling a region between the tail hole portion and the absorbent core.
    Type: Grant
    Filed: September 2, 2022
    Date of Patent: March 26, 2024
    Assignee: Unicharm Corporation
    Inventors: Daisuke Komatsubara, Yumi Matsumoto
  • Publication number: 20240000043
    Abstract: A pet diaper extends in a lateral direction along a waist of a pet and in a longitudinal direction from a ventral side to a dorsal side of the pet, the lateral direction being orthogonal to the longitudinal direction, and the pet diaper includes: a main body including: an absorbent core; and a tail hole having a longitudinally elongated shape with a largest opening width in the longitudinal direction that is larger than a largest opening width in the lateral direction; a pair of fastening tabs, disposed closer to the ventral side than is the tail hole, that extend outward from a lateral side edge of the main body; and a target portion, disposed closer to the dorsal side than is the tail hole, that engages with the pair of fastening tabs.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 4, 2024
    Applicant: Unicharm Corporation
    Inventors: Yumi Koido, Daisuke Komatsubara, Hitomi Nakashima
  • Publication number: 20230413784
    Abstract: A pet diaper extending in a lateral direction along a waist of a pet and in a longitudinal direction from a ventral side to a dorsal side of the pet, the lateral direction being orthogonal to the longitudinal direction, and the pet diaper including: a main body including an absorbent core and a tail hole configured to pass feces of the pet; and a first elastic string attached to the main body in a stretched state and extending at least from a ventral-side edge of the tail hole and a dorsal-side edge of the absorbent core in the longitudinal direction.
    Type: Application
    Filed: September 12, 2023
    Publication date: December 28, 2023
    Applicant: Unicharm Corporation
    Inventors: Daisuke Komatsubara, Daichi Fukumoto
  • Publication number: 20230232790
    Abstract: An absorbent article for a pet includes a main body portion including: a liquid-permeable top sheet; a liquid-impermeable back surface layer; a liquid absorber disposed between the liquid-permeable top sheet and the liquid-impermeable back surface layer; a first leakage suppressing portion including a first joining portion that is joined to the liquid-permeable top sheet and a first rising portion that is not joined to the liquid-permeable top sheet; and a second leakage suppressing portion including a second joining portion that is joined to the liquid-permeable top sheet and a second rising portion that is not joined to the liquid-permeable top sheet. The absorbent article is configured such that a longitudinal direction of the absorbent article extends along a waist of the pet wearing the absorbent article.
    Type: Application
    Filed: February 23, 2023
    Publication date: July 27, 2023
    Applicant: Unicharm Corporation
    Inventors: Daisuke Komatsubara, Yumi Matsumoto
  • Publication number: 20230190543
    Abstract: An absorbent article for a pet includes: a liquid absorber disposed between a liquid-permeable top sheet and a liquid-impermeable back surface layer; a first leakage suppressing portion including a first joining portion that is joined to the liquid-permeable top sheet and a first rising portion that is not joined to the liquid-permeable top sheet; and a second leakage suppressing portion including a second joining portion that is joined to the liquid-permeable top sheet and a second rising portion that is not joined to the liquid-permeable top sheet. The first and second leakage suppressing portions are disposed on a side of the liquid-permeable top sheet along a longitudinal direction on two widthwise sides of the absorbent article. A longitudinal contracting force in the second rising portion is smaller than a longitudinal contracting force in the first rising portion.
    Type: Application
    Filed: February 24, 2023
    Publication date: June 22, 2023
    Applicant: Unicharm Corporation
    Inventors: Daisuke Komatsubara, Yumi Matsumoto
  • Patent number: 11570966
    Abstract: A pet care article is provided which maintains excellent sanitary conditions and is not prone to causing bedsores. This pet care article (1) is provided with an absorbent sheet (2) having liquid retention properties, and a liquid-permeable cushion material (3) arranged on the top surface of the absorbent sheet and having a thickness of greater than or equal to 5 mm. The cushion material (3) comprises a fibrous structure configured from continuous fibers made from a thermoplastic resin and having a fiber diameter of 0.01-3 mm. No ends of the continuous fibers are contained in the top of said fibrous structure, and the continuous fibers are bonded together at intersections between the continuous fibers.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: February 7, 2023
    Assignee: UNICHARM CORPORATION
    Inventor: Daisuke Komatsubara
  • Publication number: 20220409444
    Abstract: A pet diaper includes: a top sheet; a back-surface sheet; an absorbent core disposed between the top sheet and the back-surface sheet; a tail hole portion including a hole body through which a tail of a pet is inserted; and an upright leak-proof gather including a rising portion including a contraction portion in which a leak-proof elastic member is disposed in a stretched state in a longitudinal direction, and a lateral fixed portion that is disposed away from the rising portion toward a lateral outer side and that functions as a rising fulcrum of the rising portion. The tail hole portion is disposed at a position that is away from an end edge of the absorbent core on the rear side toward the rear side. The contraction portion is disposed straddling a region between the tail hole portion and the absorbent core.
    Type: Application
    Filed: September 2, 2022
    Publication date: December 29, 2022
    Applicant: UNICHARM CORPORATION
    Inventors: Daisuke Komatsubara, Yumi Matsumoto
  • Publication number: 20220280355
    Abstract: A cat diaper has a lateral direction along a waistline of a cat and a longitudinal direction orthogonal to the lateral direction, and includes: a body portion that includes an absorbent core, and has a stomach region, a crotch region, and a back region, and a fastening tape that extends from each side of the body portion in the lateral direction, and joins the stomach region and the back region, the absorbent core having a constricted portion that tapers toward an inner side of the absorbent core in the lateral direction, and a stomach-side end of an innermost edge of the constricted portion in the lateral direction being positioned between a center of the absorbent core in the longitudinal direction and a back side of the cat diaper.
    Type: Application
    Filed: May 24, 2022
    Publication date: September 8, 2022
    Applicant: UNICHARM CORPORATION
    Inventors: Daisuke Komatsubara, Yumi Matsumoto
  • Publication number: 20220279758
    Abstract: A cat diaper has a lateral direction along a waistline of a cat and a longitudinal direction orthogonal to the lateral direction, and includes: a body portion that has a top-surface sheet, a back-surface sheet, and an absorbent core disposed between the top-surface sheet and the back-surface sheet; and a tail hole formed in the body portion, the tail hole including a hole body through which a tail of the cat is inserted, the hole body bulging toward a stomach side or a back side of the cat diaper, and a lateral length of the hole body being not less than 1.90 times a longitudinal length of the hole body.
    Type: Application
    Filed: May 23, 2022
    Publication date: September 8, 2022
    Applicant: Unicharm Corporation
    Inventors: Daisuke Komatsubara, Yumi Matsumoto
  • Publication number: 20220240488
    Abstract: To provide a pet diaper which can be worn in a suitable position and which can suppress leakage of excrement. [Solution] This pet diaper (1) comprises: a waste circumferential direction (W) which is arranged along the waist circumference of the pet; a crossing direction (Z) which is perpendicular to the waist circumference direction; a main body (2) which has a top sheet (10), a back sheet (20) and an absorbent core (30) arranged between the top sheet and the back sheet; and a joining part (40) which joins the back sheet side of the main body and the front sheet side of the main body. The absorbent core is arranged to the inside of the two ends of the main body in the waist circumference direction. This pet diaper has a guide part (50) which guides the wearing position of the pet diaper.
    Type: Application
    Filed: May 19, 2020
    Publication date: August 4, 2022
    Inventor: Daisuke Komatsubara
  • Patent number: 11399985
    Abstract: An absorbent article for animals that includes a longitudinal direction, a width direction, and a thickness direction that are mutually orthogonal to each other. The absorbent article includes: a first nonwoven fabric that forms a first surface in the thickness direction; a second nonwoven fabric that forms a second surface in the thickness direction that is on an opposite side of the first surface, and that is attached to an animal such that the longitudinal direction is disposed along a waist of the animal; in a plan view, between a first side edge and a second side edge of the absorbent article in the longitudinal direction, a first region, a center region, and a second region that divide the absorbent article into three equal portions in the longitudinal direction; and an engagement portion that extends in the width direction in the first surface of the first region.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: August 2, 2022
    Assignee: Unicharm Corporation
    Inventors: Hiroki Yamamoto, Daisuke Komatsubara
  • Patent number: D1010241
    Type: Grant
    Filed: May 24, 2020
    Date of Patent: January 2, 2024
    Assignee: Unicharm Corporation
    Inventors: Daisuke Komatsubara, Yumi Matsumoto
  • Patent number: D1033756
    Type: Grant
    Filed: November 1, 2023
    Date of Patent: July 2, 2024
    Assignee: Unicharm Corporation
    Inventors: Daisuke Komatsubara, Yumi Matsumoto
  • Patent number: D1048586
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: October 22, 2024
    Assignee: Unicharm Corporation
    Inventor: Daisuke Komatsubara
  • Patent number: D1052193
    Type: Grant
    Filed: October 6, 2022
    Date of Patent: November 19, 2024
    Assignee: Unicharm Corporation
    Inventors: Yumi Koido, Daisuke Komatsubara
  • Patent number: D1052825
    Type: Grant
    Filed: October 6, 2022
    Date of Patent: November 26, 2024
    Assignee: Unicharm Corporation
    Inventors: Yumi Koido, Daisuke Komatsubara