Patents by Inventor Tomotsugu Matsui
Tomotsugu Matsui 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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Publication number: 20210093489Abstract: An absorption rate in an absorbent article including a cell absorber is improved. The above-mentioned problem is solved by an absorbent article including an absorber having a plurality of cells surrounded by bonded portions of an upper sheet and a lower sheet, the upper sheet and the lower sheet not bonded at the cells, and a particulate material including super absorbent polymer particles contained in the cells, in which at least one of the upper sheet and the lower sheet in the cells is formed into concaves depressed to outsides of the cells in a spread state, a middle sheet made of a nonwoven fabric is interposed between the upper sheet and the lower sheet, and the middle sheet is compressed in a thickness direction at the bonded portions and expands to insides of the concaves at portions located inside the cells.Type: ApplicationFiled: January 18, 2018Publication date: April 1, 2021Applicant: Daio Paper CorporationInventors: Sadanao Manabe, Ryoichi Ochi, Tomotsugu Matsui, Hong Yan Liu, Xiao Xia Wang, Xiang Qian Liu
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Patent number: 10603228Abstract: The present invention is intended to provide the advantages of forming the leg gathers with the liquid impervious film that allow reduction of the used amount of the non-woven fabric while suppressing the deterioration of the texture, and others.Type: GrantFiled: October 16, 2015Date of Patent: March 31, 2020Assignee: Daio Paper CorporationInventors: Sadanao Manabe, Tomotsugu Matsui, Akinori Fukae, Kosuke Murai
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Patent number: 10492958Abstract: The present invention provides an underpants-type disposable diaper that has pleats formed in an outer body, which vertically and straightly extend, is excellent in appearance and air permeability, and is excellent in drawing preventing performance of a resilient and elastic member.Type: GrantFiled: March 20, 2015Date of Patent: December 3, 2019Assignee: DAIO PAPER CORPORATIONInventors: Tomotsugu Matsui, Yosuke Mori, Shunji Seno, Kento Fujima
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Publication number: 20170231836Abstract: The present invention is intended to provide the advantages of forming the leg gathers with the liquid impervious film that allow reduction of the used amount of the non-woven fabric while suppressing the deterioration of the texture, and others.Type: ApplicationFiled: October 16, 2015Publication date: August 17, 2017Applicant: DAIO PAPER CORPORATIONInventors: Sadanao MANABE, Tomotsugu MATSUI, Akinori FUKAE, Kosuke MURAI
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Publication number: 20170014277Abstract: The present invention provides an underpants-type disposable diaper that has pleats formed in an outer body, which vertically and straightly extend, is excellent in appearance and air permeability, and is excellent in drawing preventing performance of a resilient and elastic member.Type: ApplicationFiled: March 20, 2015Publication date: January 19, 2017Inventors: Tomotsugu MATSUI, Yosuke MORI, Shunji SENO, Kento FUJIMA
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Patent number: 8859844Abstract: To provide a body fluid absorbent article having a face sheet 1, a body fluid permeable member 20 including an assembly of fibers in tows, a body fluid retainable absorbent element AB in this order, and a face-side second sheet 10, which is interposed between the above face sheet 1 and the above body fluid permeable member 20 with such a positional relation that the above face-side second sheet 10 is at least partly superposed on the above body fluid permeable member 20; and embossing is carried out integrally on the above face sheet 1 and the above face-side second sheet 10 while embossing is not carried out on the above body fluid permeable member 20.Type: GrantFiled: June 30, 2005Date of Patent: October 14, 2014Assignee: Diao Paper CorporationInventors: Tomonari Takeuchi, Satoko Konawa, Keisuke Ebitsuka, Tomotsugu Matsui
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Patent number: 8466334Abstract: [Subject] To obtain a body fluid absorbent article with the perfect protection against the body fluid leakage. [Means for Solving Problem] In the body fluid absorbent, the body fluid retainable absorbent member 53A is disposed under the face sheet 51. Then, the body fluid permeable absorbent member 52, which include the assembly of fibers in tows, is disposed between the face sheet 51 and the body fluid retainable absorbent member 53A.Type: GrantFiled: June 30, 2005Date of Patent: June 18, 2013Assignee: Daio Paper CorporationInventors: Tomonari Takeuchi, Satoko Konawa, Tomotsugu Matsui
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Patent number: 8088966Abstract: An absorbing article which comprises a liquid permeable top sheet, an absorbing material, a moisture permeable waterproof sheet and a back sheet impermeable to a liquid, being integrated in the above order, wherein an aqueous component indicator comprising a hydrophilic resin coating layer and a notification mark provided on the inner surface of said hydrophilic resin coating layer is provided on the inner surface of the above moisture permeable waterproof sheet.Type: GrantFiled: March 11, 2005Date of Patent: January 3, 2012Assignee: Daio Paper CorporationInventor: Tomotsugu Matsui
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Patent number: 7884259Abstract: An absorbent article including a fiber aggregate formed by opening the tow, a super absorbent polymer particle, and a sheet covering these components. The super absorbent polymer particle are bonded to the sheet with an adhesive that is applied in a continuous plane to the entire surface or the substantially entire surface at least at the portion to be provided with the super absorbent polymer particle in this sheet.Type: GrantFiled: June 28, 2005Date of Patent: February 8, 2011Assignee: Daio Paper CorporationInventors: Hiroyuki Hanao, Taira Kubo, Yoshiharu Miyashita, Tomotsugu Matsui, Akinori Fukae, Toshikazu Maeda, Hiroyuki Yano, Takeshi Furudoi
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Patent number: 7855314Abstract: An Absorber and an absorbent article including a fiber aggregate wherein a tow composed of fibers is used as the fiber aggregate, and the compression resilience RC is 45 to 60%. Also, the fiber aggregate has a density of 0.0075 g/cm3 or less, weight of 0.0075 g/cm2 or less and a mass of 1 to 15 grams.Type: GrantFiled: June 28, 2005Date of Patent: December 21, 2010Assignee: Daio Paper CorporationInventors: Hiroyuki Hanao, Taira Kubo, Yoshiharu Miyashita, Tomotsugu Matsui, Akinori Fukae, Toshikazu Maeda, Hiroyuki Yano, Takeshi Furudoi
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Patent number: 7717150Abstract: A shuffling hand feeling and unwanted non-uniform absorption characteristics in the case of using a tow (fiber bundle) are prevented. An absorbent body includes a fiber aggregate 21 formed by opening the tow, a super absorbent polymer 54, and a sheet covering these components; and includes the super absorbent polymer 54 bonded to the sheet 58 with an adhesive that is applied in a continuous plane to the entire surface or the substantially entire surface of at least the portion to be provided with the super absorbent polymer 54 in this sheet 58.Type: GrantFiled: June 28, 2005Date of Patent: May 18, 2010Assignee: Daio Paper CorporationInventors: Sadanao Manabe, Hiroyuki Hanao, Takeshi Furudoi, Akinori Fukae, Toshikazu Maeda, Hiroyuki Yano, Taira Kubo, Yoshiharu Miyashita, Tomotsugu Matsui
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Publication number: 20090247977Abstract: [Subject] To provide a body fluid absorbent article including a second sheet, which fulfills its own function, while the “sticking”, which would have been caused by the conventional second sheet, is prevented on the account of embossing. [Means for Solving Problem] A body fluid absorbent article having a face sheet 1, a body fluid permeable member 20 including an assembly of fibers in tows, a body fluid retainable absorbent element AB in this order, and a face-side second sheet 10, which is interposed between the above face sheet 1 and the above body fluid permeable member 20 with such a positional relation that the above face-side second sheet 10 is at least partly superposed on the above body fluid permeable member 20; and embossing is carried out integrally on the above face sheet 1 and the above face-side second sheet 10 while embossing is not carried out on the above body fluid permeable member 20.Type: ApplicationFiled: June 30, 2005Publication date: October 1, 2009Inventors: Tomonari Takeuchi, Satoko Konawa, Keisuke Ebitsuka, Tomotsugu Matsui
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Patent number: 7491864Abstract: An absorbent article for body fluids aimed at utilizing an entire absorbent member efficiently and having a thinner form, a larger absorption capacity and longer wearability as a whole is provided. The absorbent member 25 has a contraction material 27 which contracts itself on contacting urine passing through a liquid-permeable surface layer provided on the side facing to the body skin and an absorbent material for body fluids 26 which is practically united with the contraction material 27 is arranged on the upper side of a leak proof layer provided on the side farther from the body skin.Type: GrantFiled: February 1, 2002Date of Patent: February 17, 2009Assignee: DAIO Paper CorporationInventors: Kazunori Nishizawa, Tomotsugu Matsui, Tomohiro Otani, Yuka Kurita
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Publication number: 20090004435Abstract: [Problem to be Solved] To provide an absorber with improved resilience from a packing state without increasing weight, thickness or costs. [Solution] Absorber 50 comprising fiber aggregate 21 wherein a tow composed of fibers is used as the fiber aggregate 21, and the compression resilience RC is 45 to 60%.Type: ApplicationFiled: June 28, 2005Publication date: January 1, 2009Applicant: Daio Paper CorporationInventors: Hiroyuki Hanao, Taira Kubo, Yoshiharu Miyashita, Tomotsugu Matsui, Akinori Fukae, Toshikazu Maeda, Hiroyuki Yano, Takeshi Furudoi
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Publication number: 20080312627Abstract: [Subject] To obtain a body fluid absorbent article with the perfect protection against the body fluid leakage. [Means for Solving Problem] In the body fluid absorbent, the body fluid retainable absorbent member 53A is disposed under the face sheet 51. Then, the body fluid permeable absorbent member 52, which include the assembly of fibers in tows, is disposed between the face sheet 51 and the body fluid retainable absorbent member 53A.Type: ApplicationFiled: June 30, 2005Publication date: December 18, 2008Inventors: Tomonari Takeuchi, Satoko Konawa, Tomotsugu Matsui
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Publication number: 20080262459Abstract: [Problem to be Solved] To prevent shingly hand feeling and unintentional bias of absorption characteristics in the case of using tow (fiber bundle). [SOLUTION] An absorption element having a super absorbent polymer 54, comprising a fiber aggregate formed by opening tow 21, a super absorbent polymer 54 and a wrapping sheet 58 for wrapping them, wherein the whole face or almost whole face of part provided at least with the super absorbent polymer 54 in the sheet 58 is applied with an adhesive in a continuous plane, which is bonded to the sheet 58 with the adhesive.Type: ApplicationFiled: June 29, 2005Publication date: October 23, 2008Inventors: Tomoka Kamoto, Taira Kubo, Tomotsugu Matsui, Hiroyuki Hanao
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Publication number: 20080044616Abstract: [Problem to be Solved] A shuffling hand feeling and unwanted non-uniform absorption characteristics in the case of using a tow (fiber bundle) are prevented. [Solution] An absorbent body includes a fiber aggregate 21 formed by opening the tow, a super absorbent polymer particle 54, and a sheet covering these components; and includes the super absorbent polymer particle 54 bonded to the sheet 58 with an adhesive that is applied in a continuous plane to the entire surface or the substantially entire surface at least at the portion to be provided with the super absorbent polymer particle 54 in this sheet 58.Type: ApplicationFiled: June 28, 2005Publication date: February 21, 2008Inventors: Hiroyuki Hanao, Taira Kubo, Yoshiharu Miyashita, Tomotsugu Matsui, Akinori Fukae, Toshikazu Maeda, Hiroyuki Yano, Takeshi Furudoi
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Publication number: 20080038504Abstract: [Problem to be Solved] A shuffling hand feeling and unwanted non-uniform absorption characteristics in the case of using a tow (fiber bundle) are prevented. [Solution] An absorbent body includes a fiber aggregate 21 formed by opening the tow, a super absorbent polymer 54, and a sheet covering these components; and includes the super absorbent polymer 54 bonded to the sheet 58 with an adhesive that is applied in a continuous plane to the entire surface or the substantially entire surface of at least the portion to be provided with the super absorbent polymer 54 in this sheet 58.Type: ApplicationFiled: June 28, 2005Publication date: February 14, 2008Inventors: Sadanao Manabe, Hiroyuki Hanao, Takeshi Furodoi, Akinori Fukae, Toshikazu Maeda, Hiroyuki Yano, Taira Kubo, Yoshiharu Miyashita, Tomotsugu Matsui
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Publication number: 20070197986Abstract: In an absorbent article structured by integrally forming at least a liquid permeable top sheet, an absorbent, a water vapor permeable waterproof sheet, and a liquid impermeable back sheet in this order, a water content indicator is provided on an inner surface of the water vapor permeable waterproof sheet, the water content indicator being constituted by a hydrophilic resin coating layer and an information mark provided on an inner surface of the hydrophilic resin coating layer.Type: ApplicationFiled: March 11, 2005Publication date: August 23, 2007Inventor: Tomotsugu Matsui
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Publication number: 20040127874Abstract: The present invention relates to an absorbent article for body fluids aimed at utilizing an entire absorbent member efficiently and having a thinner form, a larger absorption capacity and longer wearability as a whole. The absorbent member 25 comprising a contraction material 27 which contracts itself on contacting urine passing through a liquid-permeable surface layer provided on the side facing to the body skin and an absorbent material for body fluids 26 which is practically united with the contraction material 27 is arranged on the upper side of a leak proof layer provided on the side farther from the body skin.Type: ApplicationFiled: January 30, 2004Publication date: July 1, 2004Inventors: Kazunori Nishizawa, Tomotsugu Matsui, Tomohiro Ontani, Yuka Kurita