Patents by Inventor Tatsuya Tamura
Tatsuya Tamura 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: 9387137Abstract: An absorbent article package is individually packaged by folding a packaging sheet and an absorbent article in a state where the absorbent article is arranged on the packaging sheet. In a state where the individually-packaged absorbent article is opened, in the packaging sheet and the absorbent article, a first folding line based on which the absorbent article and the packaging sheet are folded towards the topsheet side, and a second folding line based on which the absorbent article and the packaging sheet are folded towards the backsheet side are formed adjacent to each other in the longitudinal direction.Type: GrantFiled: December 27, 2011Date of Patent: July 12, 2016Assignee: Unicharm CorporationInventors: Nobuyuki Kato, Masahiro Kashiwagi, Tatsuya Tamura, Masashi Kitagawa
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Patent number: 9381122Abstract: In an absorbent article, in which each of pressure-bonded parts has a linear shape extending in the length direction of the absorbent article, the pressure-bonded parts are formed with spacing at regular intervals in a discontinuous manner with respect to the length direction of the absorbent article and are also formed in multiple lines with spacing at regular intervals with respect to the width direction of the absorbent article, depressed parts are formed on a back-sheet-facing surface of an absorbent body that is located beneath the pressure-bonded parts, each of an excretory opening-contacting region in a top sheet and the pressure-bonded parts contains a blood lubricity-imparting agent having a kinematic viscosity of 0.01 to 80 mm2/s at 40° C., a water hold percentage of 0.01 to 4.0 mass % and a weight average molecular weight of less than 1,000, and the amount of the blood lubricity-imparting agent in the pressure-bonded parts is larger than that in the excretory opening-contacting region.Type: GrantFiled: September 20, 2013Date of Patent: July 5, 2016Assignee: UNICHARM CORPORATIONInventors: Akira Hashino, Yuki Noda, Tatsuya Tamura
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Patent number: 9381268Abstract: The objective of the present disclosure is to provide an absorbent article having a dry top sheet without any feeling of stickiness in the top sheet, even after high viscosity menstrual blood has been absorbed. The absorbent article of the present disclosure has the following structure. The absorbent article (1) has a liquid-permeable top sheet (2), a liquid-impermeable back sheet, and an absorbent body (3). The absorbent article (1) is characterized by: having an excretory orifice contact region (4), first embossed portions (5), an external peripheral region (6), and second embossed portions (7); the first embossed portions (5) and second embossed portions (7) being formed by embossing a layer comprising the top sheet (2) and the absorbent body (3); and the top sheet (2) inside the excretory orifice contact region (4) and the second embossed portions (7) respectively comprising a prescribed blood lubricating agent.Type: GrantFiled: March 26, 2013Date of Patent: July 5, 2016Assignee: UNICHARM CORPORATIONInventors: Akira Hashino, Yuki Noda, Tatsuya Tamura
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Patent number: 9375356Abstract: The objective of the present disclosure is to provide an absorbent article that enables the rapid transfer of menstrual blood to an absorbent body, is not susceptible to the spread of menstrual blood above a top sheet, and is not susceptible to causing feelings of stickiness on the top sheet. The absorbent article of the present disclosure has the following structure. An absorbent article (1) having a liquid-permeable top sheet (2), a liquid-impermeable back sheet, and an absorbent body (3). The absorbent article (1) is characterized by: having an excretory orifice contact region (4) and embossed portions (5); the top sheet (2) inside the excretory orifice contact region (4) and the embossed portions (5) respectively containing a prescribed blood lubricating agent; and the amount of the blood lubricating agent in the embossed portions (5) being larger than the amount of the blood lubricating agent in the top sheet (2) in the excretory orifice contact region (4).Type: GrantFiled: March 26, 2013Date of Patent: June 28, 2016Assignee: UNICHARM CORPORATIONInventors: Akira Hashino, Yuki Noda, Tatsuya Tamura
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Patent number: 9375365Abstract: Provided is an absorbent article capable of suppressing leakage in the widthwise direction from an absorbent article (1) of a bodily fluid (31) which has seeped from an absorbent body (4) as a result of the application of pressure to the absorbent article (1).Type: GrantFiled: December 11, 2012Date of Patent: June 28, 2016Assignee: UNICHARM CORPORATIONInventors: Tatsuya Tamura, Yuki Noda, Takashi Nomoto, Takashi Onozuka
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Patent number: 9364576Abstract: An absorbent article includes a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body arranged between the top sheet and the back sheet. An excretory orifice contact area of the liquid-permeable top sheet has an area containing a blood slipping agent. The blood slipping agent has a kinematic viscosity of 0.01-80 mm2/s at 40° C., a water hold percentage of 0.01-4.0 mass %, and a weight average molecular weight of less than 1,000. An amount of the blood slipping agent on the clothing-side surface of the top sheet is greater than an amount of the blood slipping agent on the skin-side surface of the top sheet at a location in the area containing the blood slipping agent where the surfaces overlap in the thickness direction of the absorbent article.Type: GrantFiled: September 20, 2013Date of Patent: June 14, 2016Assignee: UNICHARM CORPORATIONInventors: Yuki Noda, Tatsuya Tamura, Akira Hashino, Toru Oba
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Patent number: 9368341Abstract: A method of manufacturing a silicon oxide film by using a film deposition apparatus is provided. The apparatus includes a turntable including a substrate receiving part on its upper surface, a first gas supply part to supply a first gas to the turntable in a first process area, and a second gas supply part arranged in a second process area apart from the first process area to supply a second gas. In the method, a silicon-containing gas is supplied from the first gas supply part as the first gas. A hydrogen gas and an oxidation gas are supplied from the second gas supply part as the second gas. The first gas is caused to adsorb on the substrate in the first process area, and the second gas is caused to react with the first gas adsorbed on the substrate in the second process area while rotating the turntable.Type: GrantFiled: September 9, 2014Date of Patent: June 14, 2016Assignee: Tokyo Electron LimitedInventors: Tatsuya Tamura, Takeshi Kumagai
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Patent number: 9351887Abstract: The objective of the present disclosure is to provide an absorbent article (1) having a high fiber density region (7) in which absorbed menstrual blood is not easily retained, so that after menstrual blood has been absorbed, feelings of stickiness are not easily caused on a top sheet (2), and the top sheet (2) remains dry. The absorbent article (1) of the present disclosure has a liquid-permeable top sheet (2), a liquid-impermeable back sheet (6), and an absorbent body (3). The absorbent article (1) is characterized by: the top sheet (2) having, in an excretory orifice contact region (A), a high fiber density region (7) and a low fiber density region (8); the top sheet (2) containing, in the excretory orifice contact region (A), a prescribed blood lubricating agent (9); and the basis weight of the blood lubricating agent (9) in the high fiber density region (7) being larger than the basis weight of the blood lubricating agent (9) in the low fiber density region (8).Type: GrantFiled: March 26, 2013Date of Patent: May 31, 2016Assignee: UNICHARM CORPORATIONInventors: Akira Hashino, Yuki Noda, Tatsuya Tamura, Masashi Nakashita
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Patent number: 9339423Abstract: An absorbent article is provided to prevent pulp fibers and a superabsorbent polymer that constitute an absorbent body from leaking from openings, even if a top sheet does not cover the side wall portions of the absorbent body at the openings. The absorbent article includes: a liquid-permeable top sheet having openings; a back sheet; and an absorbent body having openings. At the openings of the top sheet and the openings of the absorbent body, the top sheet is detached from the absorbent body. The opening diameters of the openings on the clothing side of the top sheet are smaller than the opening diameters of the openings on the skin side of the absorbent body. An opening diameter of the openings on the clothing side of the absorbent body is no greater than the opening diameter of the openings on the clothing side of the top sheet.Type: GrantFiled: March 26, 2013Date of Patent: May 17, 2016Assignee: UNICHARM CORPORATIONInventors: Akira Hashino, Yuki Noda, Tatsuya Tamura, Takashi Nomoto, Takashi Onozuka, Tomoyuki Saga
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Patent number: 9314383Abstract: The purpose of this disclosure is to provide an absorptive article which can deform while following the movement of the wearer's legs and which can restore to the original shape. The absorptive article of this disclosure has the following configuration. The absorptive article (1) includes a liquid permeable top sheet (4), a liquid impermeable back sheet, and an absorption body (7). The absorptive article (1) is characterized in that the absorptive article (1) has, in the region thereof which is in contact with the excretory opening, a medium-high section (2) protruding in the thickness direction of the absorptive article (1) and including a cushion section, and in that the absorption body (7) has one or more compressed sections (3) which form a folding axis about which the absorptive article (1) is folded in the width direction thereof so that the skin contact surface of the top sheet (4) protrudes.Type: GrantFiled: March 26, 2013Date of Patent: April 19, 2016Assignee: UNICHARM CORPORATIONInventors: Yuki Noda, Tatsuya Tamura, Akira Hashino
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Patent number: 9293321Abstract: A method of manufacturing a silicon oxide film is provided. In the method, a substrate having a metal film on a surface thereof is loaded in a reaction chamber, and supply of a hydrogen gas into the reaction chamber is started by a hydrogen gas supply unit after the step of loading the substrate in the reaction chamber. Then, supply of an oxidation gas into the reaction chamber is started by an oxidation gas supply unit after the step of starting the supply of the hydrogen gas into the reaction chamber, and supply of a silicon-containing gas into the reaction chamber is started by a silicon-containing gas supply unit after the step of starting the supply of the hydrogen gas into the reaction chamber.Type: GrantFiled: September 9, 2014Date of Patent: March 22, 2016Assignee: Tokyo Electron LimitedInventors: Tatsuya Tamura, Takeshi Kumagai, Takashi Chiba
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Patent number: 9248060Abstract: An absorbent article includes a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body that is arranged between the top sheet and the back sheet. The absorbent article further includes a pair of flaps provided to both sides of the absorbent article in a lengthwise direction, a first area containing a blood lubricity-imparting agent, and a second area containing a blood lubricity-imparting agent. The first and second areas are provided to at least an excretory orifice contact area of the top sheet and to the pair of flaps. A basis weight of the blood lubricity-imparting agent in the first area is greater than the basis weight of the blood lubricity-imparting agent in the second area.Type: GrantFiled: September 11, 2013Date of Patent: February 2, 2016Assignee: UNICHARM CORPORATIONInventors: Yuki Noda, Tatsuya Tamura, Akira Hashino
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Patent number: 9233185Abstract: The purpose of the present disclosure is to provide an absorbent article that can be made smaller because the crown section continues to fit the wearer's excretory opening, which has a complex shape, both when dry before absorbing menstrual blood and when wet after absorbing menstrual blood, and with which leakage does not occur easily. This absorbent article is as follows: The absorbent article (1), which comprises a liquid-permeable top sheet (4), a liquid-impermeable back sheet, and a specified absorbent (7) between the liquid permeable top sheet (4) and the liquid-impermeable back sheet, is characterized in that: the absorbent article (1) has a crown section (2), which protrudes in the thickness direction of the absorbent article (1) in the region that is in contact with the excretory opening and comprises a specified cushion section; and in the central section, the crown section (2) has a compression workload (WC) of 10-50 (N·m/m2) and a compression resilience (RC) of 35-100%.Type: GrantFiled: March 26, 2013Date of Patent: January 12, 2016Assignee: UNICHARM CORPORATIONInventors: Yuki Noda, Tatsuya Tamura, Akira Hashino
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Patent number: 9220642Abstract: An absorbent article having a leakage preventing wall that includes a fixing unit and an erection unit. A heightened middle unit is disposed inside in the longitudinal direction more than a wing unit. Fold positions are provided in proximity to a base position of the wing unit. An end pan in the longitudinal direction of compression grooves are configured so as to be disposed outside in the longitudinal direction more than an end part in the longitudinal direction of the erection unit. The end part in the longitudinal direction of the erection unit and a site at which a dimension in the widthwise direction W is the greatest in the compression groove are disposed in proximity to the base position of the wing unit.Type: GrantFiled: September 9, 2011Date of Patent: December 29, 2015Assignee: Unicharm CorporationInventors: Toshihisa Hayashi, Tatsuya Tamura, Nobuyuki Kato
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Patent number: 9192527Abstract: An absorbent article includes a liquid-permeable top sheet, a liquid-impermeable back sheet provided at a location opposing the top sheet, an absorbent provided between the top sheet and the back sheet, and a side sheet provided on both sides of the top sheet in the widthwise direction and having an area that overlaps the top sheet and the absorbent, wherein the absorbent contains an airlaid layer and a crushed pulp layer, the crushed pulp layer is provided on the top sheet side, the airlaid layer is provided on the back sheet side, and the absorbent article has a plurality of indentations formed by pin-embossing the top sheet, the side sheet and the absorbent, and a plurality of indentations formed by pin-embossing the top sheet and the absorbent.Type: GrantFiled: September 27, 2011Date of Patent: November 24, 2015Assignee: UNICHARM CORPORATIONInventors: Nobuyuki Kato, Tatsuya Tamura, Toshihisa Hayashi
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Publication number: 20150328359Abstract: An absorbent article includes a liquid-permeable top sheet configured to be arranged on a skin side, a liquid-impermeable back sheet configured to be arranged on a clothing side; a liquid-retaining absorbent body arranged between the top sheet and the back sheet; a first sheet arranged between the top sheet and the absorbent body and within the area in which the absorbent body is arranged; and a second sheet arranged between the first sheet and the absorbent body. The first sheet is liquid permeable and has liquid-retaining properties. The second sheet is liquid permeable but does not have liquid-retaining properties and hides the red color of menstrual blood absorbed by the absorbent body.Type: ApplicationFiled: September 12, 2013Publication date: November 19, 2015Applicant: UNICHARM CORPORATIONInventors: Yuki NODA, Tatsuya TAMURA, Akira HASHINO
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Publication number: 20150274727Abstract: The present invention provides compounds represented by formula (1) below and pharmacologically acceptable salts thereof: wherein R1, R2, R3, and R4 are as defined in the claims.Type: ApplicationFiled: December 10, 2013Publication date: October 1, 2015Applicant: Chugai Seiyaku Kabushiki KaishaInventors: Yoshikazu Nishimura, Toru Esaki, Tatsuya Tamura
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Publication number: 20150250916Abstract: An absorbent article includes a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body arranged between the top sheet and the back sheet. An excretory orifice contact area of the liquid-permeable top sheet has an area containing a blood lubricity-imparting agent. The blood lubricity-imparting agent has a kinematic viscosity of 0.01-80 mm2/s at 40° C., a water hold percentage of 0.01-4.0 mass %, and a weight average molecular weight of less than 1,000. An amount of the blood lubricity-imparting agent on the clothing-side surface of the top sheet is greater than an amount of the blood lubricity-imparting agent on the skin-side surface of the top sheet at a location in the area containing the blood lubricity-imparting agent where the surfaces overlap in the thickness direction of the absorbent article.Type: ApplicationFiled: September 20, 2013Publication date: September 10, 2015Inventors: Yuki Noda, Tatsuya Tamura, Akira Hashino, Toru Oba
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Publication number: 20150245957Abstract: In an absorbent article, in which each of pressure-bonded parts has a linear shape extending in the length direction of the absorbent article, the pressure-bonded parts are formed with spacing at regular intervals in a discontinuous manner with respect to the length direction of the absorbent article and are also formed in multiple lines with spacing at regular intervals with respect to the width direction of the absorbent article, depressed parts are formed on a back-sheet-facing surface of an absorbent body that is located beneath the pressure-bonded parts, each of an excretory opening-contacting region in a top sheet and the pressure-bonded parts contains a blood lubricity-imparting agent having a kinematic viscosity of 0.01 to 80 mm2/s at 40° C., a water hold percentage of 0.01 to 4.0 mass % and a weight average molecular weight of less than 1,000, and the amount of the blood lubricity-imparting agent in the pressure-bonded parts is larger than that in the excretory opening-contacting region.Type: ApplicationFiled: September 20, 2013Publication date: September 3, 2015Inventors: Akira Hashino, Yuki Noda, Tatsuya Tamura
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Publication number: 20150245956Abstract: An absorbent article includes a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body between the top and back sheets. The top sheet has first and second areas, each of which includes a blood lubricity-imparting agent that has a kinematic viscosity of 0.01-80 mm2/s at 40 C, a water hold percentage of 0.01-4.0 mass %, and a weight average molecular weight of less than 1,000. The first area overlaps at least partially with an excretory orifice contact area of the top sheet that is configured to contact with the excretory orifice of the wearer. The second area is arranged more to a rear side in a lengthwise direction of the absorbent article than is the first area. A basis weight of the blood lubricity-imparting agent in the first area is higher than that of the blood lubricity-imparting agent in the second area.Type: ApplicationFiled: September 12, 2013Publication date: September 3, 2015Inventors: Yuki Noda, Tatsuya Tamura, Akira Hashino