Patents by Inventor Ichiro Wada
Ichiro Wada 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: 20150051567Abstract: The purpose of the present invention is to provide an absorbent article in which a top sheet (2) does not have the conventional concavo-convex shape, and the top sheet (2) feels dry and does not feel sticky even after absorbing menstrual blood having a high viscosity. This absorbent article has a liquid-permeable top sheet (2), a liquid-impermeable back sheet (6), and an absorbent (3) disposed between the liquid-permeable top sheet (2) and the liquid-impermeable back sheet (6), wherein the liquid-permeable top sheet (2) has a grammage of 5 to 30 g/m2 and a thickness of 0.10 to 0.30 mm in a region that comes into contact with an excretory opening, the liquid-permeable top sheet (2) contains a blood modifier (8) in the skin abutting surface (7) of the region that comes into contact with an excretory opening, and the blood modifier (8) is a polyoxypropylene-glycol-based compound.Type: ApplicationFiled: February 18, 2013Publication date: February 19, 2015Applicant: Unicharm CorporationInventors: Ichiro Wada, Masashi Nakashita
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Publication number: 20150032074Abstract: An object of the present disclosure is to provide an absorbent article without a sticky feel on the top sheet and with a smooth top sheet, not only when a large amount of menstrual blood has been absorbed, but even when a small amount of menstrual blood has been absorbed. The absorbent article of the present disclosure is as follows. An absorbent article comprising a liquid-permeable top sheet, a liquid-impermeable back sheet and an absorbent body between the liquid-permeable top sheet and liquid-impermeable back sheet, wherein the liquid-permeable top sheet comprises a blood slipping agent having a kinematic viscosity of 0.01 to 80 mm2/s at 40° C., a water holding percentage of 0.01 to 4.0 mass %, and a weight-average molecular weight of less than 1,000, on at least the projection in an excretory opening contact region.Type: ApplicationFiled: February 21, 2013Publication date: January 29, 2015Inventors: Masashi Nakashita, Ichiro Wada, Yuki Noda, Akira Hashino
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Publication number: 20140374341Abstract: There is disclosed a process for producing a separation membrane The process for producing the separation membrane includes a membrane forming step of passing a precursor solution of the separation membrane through cells of a monolith substrate to form a separation membrane precursor made of the precursor solution 31 on the surfaces of the cells; and then a cell suction step of sucking the insides of the cells from open ends of the cells in a first end face of the monolith substrate, to suck and remove an excess portion of the precursor solution which is present in the cells.Type: ApplicationFiled: September 11, 2014Publication date: December 25, 2014Inventors: Ichiro WADA, Tetsuya SAKAI, Akimasa ICHIKAWA, Hideyuki SUZUKI
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Publication number: 20140358102Abstract: An object of the present disclosure is to provide an absorbent article without a sticky feel on the top sheet and with a smooth top sheet, even after highly viscous menstrual blood has been absorbed. The absorbent article of the present disclosure is as follows. An absorbent article comprising a liquid-permeable top sheet, a liquid-impermeable back sheet and an absorbent body between the liquid-permeable top sheet and liquid-impermeable back sheet, wherein the liquid-permeable top sheet comprises a blood modifying agent with an IOB of 0.00-0.60, a melting point of no higher than 45° C., a water solubility of 0.00-0.05 g in 100 g of water at 25° C., and a weight-average molecular weight of no greater than 1,000.Type: ApplicationFiled: March 23, 2012Publication date: December 4, 2014Inventors: Shimpei Komatsu, Yuki Noda, Mitsuhiro Wada, Akira Hashino, Hideyuki Kinoshita, Masashi Nakashita, Ichiro Wada
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Patent number: 8779785Abstract: A water content detection sensor includes a circuit member in which low resistance conductors disposed in parallel to each other and a high resistance conductor connecting end portions of the respective low resistance conductors, a carrier body having a water-proof property and an insulating property, and a coating body having a water-proof property and an insulating property, the circuit portion being disposed between the carrier body and the coating body. A plurality of exposure holes is provided which expose the low resistance conductors at plural portions. When water content adheres between the exposure holes and the low resistance conductors are then short-circuited and a current value is made larger than that before the adhesion of the water content. When a small current passes, it is judged that the circuit is normal, and on the other hand, a large current passes, it is judged that water is generated.Type: GrantFiled: February 3, 2012Date of Patent: July 15, 2014Assignee: Unicharm CorporationInventors: Ichiro Wada, Miou Suzuki, Kiyoshi Toda, Yuichi Hirai, Masaho Hayashi, Hiroshi Uematsu, Toshihiko Uenishi
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Publication number: 20140048482Abstract: There is provided a method for cleaning a ceramic filter which can shorten an operation time required to clean the ceramic filter. The method for cleaning the ceramic filter includes: reducing a pressure of a space on a secondary side of the uncleaned ceramic filter, while supplying a cleaning medium to a space on a primary side of the uncleaned ceramic filter, thereby passing the cleaning medium through the ceramic uncleaned filter, so that the uncleaned ceramic filter is cleaned.Type: ApplicationFiled: October 23, 2013Publication date: February 20, 2014Applicant: NGK INSULATORS, LTD.Inventors: Akimasa ICHIKAWA, Hideyuki SUZUKI, Ichiro WADA
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Publication number: 20140052086Abstract: An object of the disclosure is to provide an absorbent article that allows the user to visually confirm reduction in residue of highly viscous menstrual blood on the top sheet after its absorption, thereby providing reassurance to the user. The absorbent article of the disclosure is as follows. An absorbent article comprising a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body between the liquid-permeable top sheet and liquid-impermeable back sheet, wherein the top sheet exhibits a color difference in the range of 37-80, based on the L*a*b* color system and measured from a skin contact surface of the top sheet in a liquid dropping test.Type: ApplicationFiled: April 23, 2012Publication date: February 20, 2014Applicant: UNICHARM CORPORATIONInventors: Shimpei Komatsu, Yuki Noda, Mitsuhiro Wada, Akira Hashino, Hideyuki Kinoshita, Masashi Nakashita, Ichiro Wada
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Patent number: 8596465Abstract: There is provided a ceramic filter provided with a ceramic porous membrane having few defects, small and uniform membrane thickness, and high resolution performance. The ceramic filter includes: a porous substrate which is a microfiltration membrane (MF membrane), a titania UF membrane which is an ultrafiltration membrane (UF membrane) formed on the porous substrate and has an average pore size of 2 to 20 nm and an average thickness of 0.1 to 1.0 ?m, and a silica membrane which is formed on the titania UF membrane and a ceramic porous membrane a part of which has penetrated into pores of the titania UF membrane or into pores of the UF membrane and the porous substrate.Type: GrantFiled: August 13, 2010Date of Patent: December 3, 2013Assignee: NGK Insulators, Ltd.Inventors: Tatsuya Hishiki, Ichiro Wada
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Publication number: 20130270178Abstract: There are disclosed a ceramic porous membrane formed with less membrane formation times and having less defects, a small and uniform thickness and a high flux, and a ceramic filter. A silica membrane is formed on a titania UF membrane as an ultrafiltration membrane (a UF membrane) formed on a porous base member which is a microfiltration membrane (also referred to as an MF membrane) and having an average pore diameter smaller than that of the porous base member, and the silica membrane has an average pore diameter smaller than that of the titania UF membrane, and does not substantially permeates the titania UF membrane.Type: ApplicationFiled: June 12, 2013Publication date: October 17, 2013Inventors: Manabu ISOMURA, Tatsuya HISHIKI, Ichiro WADA
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Patent number: 8546639Abstract: A urine suction device improved to achieve quick urine which includes a urine receiver unit and a urine detector unit. The urine detector unit includes a pair of electrode assemblies adapted to output a detection signal as soon as it is wetted with urine. The pair of electrode assemblies is sandwiched between a liquid-pervious first sheet and a liquid-pervious second sheet. The first and second sheets are put flat and joined together along joint zones provided outside respective pairs of opposite side edges of the electrode assemblies. Along the respective joint zones, at least one of the first and second sheets has its thickness locally reduced and the first and second sheets are kept in close contact with each other along the joint zones and in the vicinity of the joint zones.Type: GrantFiled: November 20, 2008Date of Patent: October 1, 2013Assignee: Uni-Charm CorporationInventors: Ichiro Wada, Miou Suzuki
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Patent number: 8529534Abstract: An excrement treating apparatus 100 includes an excretion receiver 1 and an apparatus body 2. The excretion receiver 1 includes a receiver body 10 which receives excretions and an excretion sensor 20 which detects the excretions. The apparatus body 2 includes a urine tank 51 which stores urine, a vacuum pump 52 which sucks urine received by the receiver body 10 into the urine tank 51, and a control unit 53. The excretion sensor 20 includes a pair of urine sensor electrodes 21 and 22 which detect urine received by the receiver body 10. The control unit 52 controls so as to reverse the polarity of the urine sensor electrodes 21 and 22 at prescribed time intervals. In the excrement treating apparatus, the excretion sensor's sensitivity is stabilized and urination is accurately detected and treated.Type: GrantFiled: January 6, 2009Date of Patent: September 10, 2013Assignees: Hitachi, Ltd., Uni-Charm CorporationInventors: Tetsuya Tanaka, Yoshikazu Ishitsuka, Ryosuke Miyagawa, Ichiro Wada, Miou Suzuki
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Patent number: 8485366Abstract: There are disclosed a ceramic porous membrane formed with less membrane formation times and having less defects, a small and uniform thickness and a high flux, and a ceramic filter. A silica membrane is formed on a titania UF membrane as an ultrafiltration membrane (a UF membrane) formed on a porous base member which is a microfiltration membrane (also referred to as an MF membrane) and having an average pore diameter smaller than that of the porous base member, and the silica membrane has an average pore diameter smaller than that of the titania UF membrane, and does not substantially permeates the titania UF membrane.Type: GrantFiled: April 15, 2010Date of Patent: July 16, 2013Assignee: NGK Insulators, Ltd.Inventors: Manabu Isomura, Tatsuya Hishiki, Ichiro Wada
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Patent number: 8395015Abstract: An absorptive article in which a terminal section of a sensor is less likely to be damaged in production, packaging, and transportation. An output terminal (115) of a sensor member (110) is placed at a side end of a front edge (180) of a urine pad (100). The side end of the front edge (180) is constructed only from a front face sheet (105) and a rear face sheet (106). The front face sheet (105) and the rear face sheet (106) are not joined together and are separably arranged. When the urine pad (100) is not in use, the output terminal (115) is covered by the front face sheet (105) and the rear face sheet (106). In use, the front face sheet (105) and the rear face sheet (106) are separated in the thickness direction and the output terminal (115) of the sensor member (110) is exposed.Type: GrantFiled: April 24, 2008Date of Patent: March 12, 2013Assignee: Uni-Charm CorporationInventors: Ichiro Wada, Miou Suzuki
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Patent number: 8388588Abstract: Here is disclosed a urine receiver. The urine receiver which collects urine of a wearer of the urine receiver under suction force has a container member provided with a bottom, a peripheral wall and flange. The container member has a suction tube which extends through the peripheral wall and has a urine suction port opening toward the interior of the container member and a urine evacuation port opening toward the exterior of the container member. The evacuation port is adapted to be connected to a connector of a urine suction means provided externally of the container member.Type: GrantFiled: April 12, 2010Date of Patent: March 5, 2013Assignee: Unicharm CorporationInventors: Ichiro Wada, Miou Suzuki, Naruto Matsushita, Kiyoshi Toda, Yuichi Hirai, Masaho Hayashi, Hiroshi Uematsu, Toshihiko Uenishi
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Publication number: 20130006206Abstract: A urine absorbent structure improved so as to prevent urine once having been absorbed by a pad from flowing back under the effect of the wearer's body weight exerted on the pad. A urine absorbent pad of a urine absorbent structure includes a core formed of an aggregate of water-absorbent materials. The core contains, as water-absorbent materials, at least fluff pulp and superabsorbent polymer particles.Type: ApplicationFiled: March 25, 2011Publication date: January 3, 2013Applicant: Unicharm CorporationInventors: Ichiro Wada, Miou Suzuki, Hiroko Murakami, Yoshihisa Fujioka
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Publication number: 20120200310Abstract: A water content detection sensor includes a circuit member in which low resistance conductors disposed in parallel to each other and a high resistance conductor connecting end portions of the respective low resistance conductors, a carrier body having a water-proof property and an insulating property, and a coating body having a water-proof property and an insulating property, the circuit portion being disposed between the carrier body and the coating body. A plurality of exposure holes is provided which expose the low resistance conductors at plural portions. When water content adheres between the exposure holes and the low resistance conductors are then short-circuited and a current value is made larger than that before the adhesion of the water content. When a small current passes, it is judged that the circuit is normal, and on the other hand, a large current passes, it is judged that water is generated.Type: ApplicationFiled: February 3, 2012Publication date: August 9, 2012Applicant: Uni-Charm CorporationInventors: Ichiro WADA, Miou SUZUKI, Kiyoshi TODA, Yuichi HIRAI, Masaho HAYASHI, Hiroshi UEMATSU, Toshihiko UENISHI
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Patent number: 8183876Abstract: A water content detection sensor includes a circuit member in which low resistance conductors 1,2 disposed in parallel to each other and a high resistance conductor 3 connecting end portions of the respective low resistance conductors, a carrier body 4 having a water-proof property and an insulating property, and a coating body 5 having a water-proof property and an insulating property, the circuit portion being disposed between the carrier body and the coating body. A plurality of exposure holes 6 are formed to the carrier body or the coating body so as to expose the low resistance conductors at plural portions, and when water content adheres between the exposure holes and the low resistance conductors are then short-circuited in a current conduction state, a current value is made larger than that before the adhesion of the water content. When a small current passes, it is judged that the circuit is normal, and on the other hand, a large current passes, it is judged that water is generated.Type: GrantFiled: July 14, 2006Date of Patent: May 22, 2012Assignee: Uni-Charm CorporationInventors: Ichiro Wada, Miou Suzuki, Kiyoshi Toda, Yuichi Hirai, Masaho Hayashi, Hiroshi Uematsu, Toshihiko Uenishi
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Patent number: 8115643Abstract: An excrement detection sensor in which two pairs of conductors 1, 2 and 3, 4 are formed between a carrier body 6 and a coating body 7 both having water-proof property and insulating property, wherein the cover body is formed with an urine introduction port 8 correlating the paired conductors and with a faeces introduction port 9 correlating the other paired conductors, and when urine enters into the urine introduction ports, the one pair of the conductors are short-circuited and when faeces enters into the faeces introduction ports, the other one pair of the conductors are short-circuited, whereby the urination and the evacuation can be distinctively detected.Type: GrantFiled: July 18, 2006Date of Patent: February 14, 2012Assignee: Uni-Charm CorporationInventors: Ichiro Wada, Miou Suzuki, Kiyoshi Toda, Yuichi Hirai, Masaho Hayashi, Hiroshi Uematsu, Toshihiko Uenishi
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Publication number: 20120009346Abstract: A simple method of manufacturing a silica membrane which has high separation performance and high permeation flux is provided. The method is a method for manufacturing a silica membrane 1 by depositing a silica sol on a porous substrate 11, drying the silica sol by air blowing which has a dew point of ?70 to 0° C., and then firing the same thereafter to produce the silica membrane 1. Further, the silica sol is preferably dried by air blowing at an air velocity of 5 to 20 m/sec.Type: ApplicationFiled: September 23, 2011Publication date: January 12, 2012Applicant: NGK Insulators, Ltd.Inventors: Ryujiro NAGASAKA, Tatsuya Hishiki, Ichiro Wada
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Publication number: 20110172625Abstract: The present invention provides a urine receiver being capable of quickly sucking urine discharged by the wearer. A urine receiver includes a plurality of liquid-pervious sheets covering a top opening of a leakage-barrier receptacle and a pair of electrodes spaced from each other and parallelly extending in one direction P lies between each pair of the adjacent liquid-pervious sheets. Any one of the plurality of liquid-pervious sheets lying outside the pair of electrodes in a depth direction R of the receptacle is defined by a sheet 400 formed of a nonwoven fabric containing thermoplastic synthetic fibers. The sheet 400 is formed on its outer surface 400a with undulation comprising crests 401 and troughs 402 alternating in the one direction P and the crests 401 and troughs 402 extend in a direction intersecting with the one direction P across the pair of electrodes.Type: ApplicationFiled: September 17, 2009Publication date: July 14, 2011Applicant: UNI-CHARM CORPORATIONInventors: Ichiro Wada, Miou Suzuki, Rumi Yamaki, Hiroko Murakami