Patents by Inventor Keiji Torigoshi
Keiji Torigoshi 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).
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Patent number: 9011406Abstract: A disposable diaper which can be used both as a tape-fastening type and an underpants type by joining the both side portions of the front body part and back body part respectively to thereby form joined portions on both sides along with a waist opening and a pair of right and left leg openings and in this diaper, perforated lines are formed on the both side portions of the front body part so as to extend from an edge of the waist opening to edges of the leg openings and at least one pair of fastening tapes having hook members on inner surfaces thereof and straddle the perforated lines.Type: GrantFiled: July 31, 2007Date of Patent: April 21, 2015Assignee: Daio Paper CorporationInventors: Keiji Torigoshi, Kosuke Murai, Yosuke Mori
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Patent number: 8382735Abstract: A disposable diaper having a neat appearance. The diaper 101 includes: a liquid-permeable top sheet 111 which covers a use surface side; a leakage preventing sheet 112 which covers a non-use surface side; an absorbent body 113 interposed between the top sheet and the leakage preventing sheet; and an external sheet 120 disposed on an outer surface side of the leakage preventing sheet, wherein three-dimensional gathers BS are formed along leg surrounding portions, and leg cut-out portions of the external sheet which form leg openings are located in a portion of the minimum width of a crotch portion, at a position nearer to a central side than places outward by 5 mm from rising start points of the three-dimensional gathers BS.Type: GrantFiled: April 13, 2010Date of Patent: February 26, 2013Assignee: Daio Paper CorporationInventors: Keiji Torigoshi, Yosuke Mori
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Patent number: 8002761Abstract: To improve the fastening property of a fastening type disposable diaper. The problem is overcome by use of a disposable diaper having an engagement section that is constituted so that the separation strength off a fastening tape is constituted so as to decrease stepwise or continuously from a center portion in a width direction of a product toward edges on both sides or an engagement section made of a loop member sheet constituted so that loop elements of the loop base sheet may be exposed from holes 21a, 21a of a perforated cover sheet 21.Type: GrantFiled: March 30, 2007Date of Patent: August 23, 2011Assignee: Daio Paper CorporationInventors: Takeshi Utsunomiya, Keiji Torigoshi
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Patent number: 7777094Abstract: A disposable diaper having: an elastic portion where a plurality of elastic members is provided along a width direction with an interval of not more than 7.0 mm in a longitudinal direction, and a non-elastic portion wherein the non-elastic portion is in a center of at least one of a front side and a back side and the elastic portion is provided in a region including right-and-left side portions except the non-elastic portion, and a difference between a maximum product width obtained when the body peripheral region is extended to a limit of extension in a product width direction and a contracted product width obtained when the body peripheral region is in a non-extended contraction state is from 100 to 250 mm in a state where the front side and the back side are overlapped.Type: GrantFiled: March 14, 2002Date of Patent: August 17, 2010Assignees: Daio Paper Corporation, Daio Paper Converting Co., Ltd.Inventors: Yosuke Mori, Keiji Torigoshi, Hideki Saiga
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Publication number: 20100191212Abstract: A disposable diaper having a neat appearance. The diaper 101 includes: a liquid-permeable top sheet 111 which covers a use surface side; a leakage preventing sheet 112 which covers a non-use surface side; an absorbent body 113 interposed between the top sheet and the leakage preventing sheet; and an external sheet 120 disposed on an outer surface side of the leakage preventing sheet, wherein three-dimensional gathers BS are formed along leg surrounding portions, and leg cut-out portions of the external sheet which form leg openings are located in a portion of the minimum width of a crotch portion, at a position nearer to a central side than places outward by 5 mm from rising start points of the three-dimensional gathers BS.Type: ApplicationFiled: April 13, 2010Publication date: July 29, 2010Applicant: DAIO PAPER CORPORATIONInventors: Keiji TORIGOSHI, Yosuke MORI
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Patent number: 7727214Abstract: A disposable diaper having a neat appearance. The diaper 101 includes: a liquid-permeable top sheet 111 which covers a use surface side; a leakage preventing sheet 112 which covers a non-use surface side; an absorbent body 113 interposed between the top sheet and the leakage preventing sheet; and an external sheet 120 disposed on an outer surface side of the leakage preventing sheet, wherein three-dimensional gathers BS are formed along leg surrounding portions, and leg cut-out portions of the external sheet which form leg openings are located in a portion of the minimum width of a crotch portion, at a position nearer to a central side than places outward by 5 mm from rising start points of the three-dimensional gathers BS.Type: GrantFiled: November 28, 2001Date of Patent: June 1, 2010Assignee: Daio Paper CorporationInventors: Keiji Torigoshi, Yosuke Mori
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Publication number: 20090198207Abstract: [Problem]0 To provide a disposable diaper which can be used both as a tape-fastening type and an underpants type with an excellent fit. [Means for Solving Problem] By joining the both side portions of the front body part 12F and back body part 12B respectively to thereby form joined portions 12A on both sides along with a waist opening WO and a pair of right and left leg openings LO and in this diaper, perforated lines 100 are formed on the both side portions of the front body part 12F so as to extend from an edge of the waist opening WO to edges of the leg openings LO and at least one pair of fastening tapes 90 having hook members 92 on inner surfaces thereof and straddle the perforated lines.Type: ApplicationFiled: July 31, 2007Publication date: August 6, 2009Applicant: DAIO PAPER CORPORATIONInventors: Keiji Torigoshi, Kosuke Murai, Yosuke Mori
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Publication number: 20090069776Abstract: [Problem] To improve the fastening property of a fastening type disposable diaper. [Means for Solving Problems] The problem is overcome by use of a disposable diaper having an engagement section that is constituted so that the separation strength off a fastening tape is constituted so as to decrease stepwise or continuously from a center portion in a width direction of a product toward edges on both sides or an engagement section made of a loop member sheet constituted so that loop elements of the loop base sheet may be exposed from holes 21a, 21a of a perforated cover sheet 21.Type: ApplicationFiled: March 30, 2007Publication date: March 12, 2009Inventors: Takeshi Utsunomiya, Keiji Torigoshi
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Patent number: 7329245Abstract: A disposable diaper having an absorbent, a waist opening and right and left leg openings which are formed when the diaper is in use, and many stretchable members which are provided along the peripheral direction of the diaper at least in a girth area having a lengthwise range extending from said waist opening's edge to said leg openings' start ends and which are spaced at intervals in the lengthwise direction of the diaper. In at least a front body, said stretchable members are provided discontinuously in part of or in the whole of a lengthwise range where said absorbent is located, in an area extending from a joint on one side to a joint on the other side of the diaper.Type: GrantFiled: July 19, 2001Date of Patent: February 12, 2008Assignees: Daio Paper Corporation, Daio Paper Converting Co., Ltd.Inventors: Keiji Torigoshi, Sadanao Manabe, Yosuke Mori
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Publication number: 20050267427Abstract: An absorbent article which can be thin without decreasing absorption capability and strength. An absorbent body having a pulp fiber and a super absorbent polymer, in which a content of the super absorbent polymer is not less than 55% by weight, is provided. The absorbent body may be covered with a top sheet which is liquid permeable and uses a non-woven fabric.Type: ApplicationFiled: August 7, 2003Publication date: December 1, 2005Applicant: DAIO PAPER CORPORATIONInventors: Hiroyuki Hanao, Koji Kondo, Keiji Torigoshi
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Publication number: 20040133180Abstract: A disposable diaper in which a waist opening portion and right-and-left leg opening portions are formed in a use state having: an elastic portion where a plurality of elastic members is provided along a width direction with an interval of not more than 7.Type: ApplicationFiled: January 29, 2004Publication date: July 8, 2004Applicants: DAIO PAPER CORPORATION, DAIO PAPER CONVERTING CO., Ltd.Inventors: Yosuke Mori, Keiji Torigoshi, Hideki Saiga
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Publication number: 20040030317Abstract: A disposable diaper having a neat appearance. The diaper 101 includes: a liquid-permeable top sheet 111 which covers a use surface side; a leakage preventing sheet 112 which covers a non-use surface side; an absorbent body 113 interposed between the top sheet and the leakage preventing sheet; and an external sheet 120 disposed on an outer surface side of the leakage preventing sheet, wherein three-dimensional gathers BS are formed along leg surrounding portions, and leg cut-out portions of the external sheet which form leg openings are located in a portion of the minimum width of a crotch portion, at a position nearer to a central side than places outward by 5 mm from rising start points of the three-dimensional gathers BS.Type: ApplicationFiled: May 28, 2003Publication date: February 12, 2004Applicant: DAIO PAPER CORPORATIONInventor: Keiji Torigoshi
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Publication number: 20040015146Abstract: A disposable diaper having an absorbent, a waist opening and right and left leg openings which are formed when the diaper is in use, and many stretchable members which are provided along the peripheral direction of the diaper at least in a girth area having a lengthwise range extending from said waist opening's edge to said leg openings' start ends and which are spaced at intervals in the lengthwise direction of the diaper. In at least a front body, said stretchable members are provided discontinuously in part of or in the whole of a lengthwise range where said absorbent is located, in an area extending from a joint on one side to a joint on the other side of the diaper.Type: ApplicationFiled: July 14, 2003Publication date: January 22, 2004Inventors: Keiji Torigoshi, Sadanao Manabe, Yosuke Mori