Patents by Inventor Naohito Takeuchi
Naohito Takeuchi 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: 20160113336Abstract: A mask has a mask body and a pair of ear straps. The mask body includes an outer layer sheet and an intermediate layer sheet. The outer layer sheet is formed of hydrophobic fibers. The intermediate layer sheet is laid on the outer layer sheet so as to be located on a wearer's side of the outer layer sheet when the mask is worn. The intermediate layer sheet includes a first fiber layer which is formed of polyolefin fibers containing an inorganic antimicrobial agent and a second fiber layer which is formed of polyolefin fibers and has a larger fiber diameter than the first fiber layer. The fiber diameter of the first fiber layer is within a range of 0.5 to 2.8 ?m and the ratio of a particle diameter of the inorganic antimicrobial agent with respect to the fiber diameter is within the range of 0.1 to 6.0.Type: ApplicationFiled: January 8, 2016Publication date: April 28, 2016Inventors: Akira SHIBATA, Makoto ISHIGAMI, Naohito TAKEUCHI
-
Publication number: 20130240136Abstract: In a method of manufacturing a drip absorbent sheet, the drip absorbent sheet having: a plurality of holes through which drip, which is juice released from foodstuff, can pass; a porous resin film containing 1 to 3% by mass of a surface-active agent, and a liquid absorbent layer laminated with the porous resin film. The method includes at least: a laminating step of laminating the porous resin film and the liquid absorbent layer; a cutting step of cutting a laminate obtained in the laminating step into a product of a predetermined product dimension; and a product stacking step of stacking the product in sheets after the cutting step into stacks of a plurality of sheets. In at least one of the cutting step and the product stacking step, a contactless charge neutralization process is performed with respect to a front surface side of the porous resin film.Type: ApplicationFiled: September 27, 2011Publication date: September 19, 2013Applicant: Uni-Charm CorporationInventors: Yoshinori Tanaka, Naohito Takeuchi
-
Publication number: 20130156976Abstract: A fluid absorbent structure adapted to absorb fluids oozing from foodstuffs on its contacting surface with the foodstuffs even when the fluid absorbent structure is in a slanted position against the container bottom. A drip sheet includes an upper sheet, a lower sheet and an absorbent sheet interleaved between these upper and lower sheets. The upper sheet includes a perforated region and non-perforated region. The non-perforated region is formed with a display element which is visually recognized from an upper surface of the upper sheet. The upper sheet is formed with grooves which are depressed from the upper surface of the upper sheet toward a lower surface facing the absorbent sheet and at least partially overlaps with the perforations. The grooves include a first segment extending along a longitudinal imaginary center line, and second and third segment intersecting the first segment. The lower sheet is formed with a plurality of perforations which are breathable and liquid-permeable.Type: ApplicationFiled: August 8, 2011Publication date: June 20, 2013Applicant: UNICHARM CORPORATIONInventors: Yoshinori Tanaka, Naohito Takeuchi
-
Publication number: 20120180800Abstract: A mask has a mask body and a pair of ear straps. The mask body includes an outer layer sheet and an intermediate layer sheet. The outer layer sheet is formed of hydrophobic fibers. The intermediate layer sheet is laid on the outer layer sheet so as to be located on a wearer's side of the outer layer sheet when the mask is worn. The intermediate layer sheet includes a first fiber layer which is formed of polyolefin fibers containing an inorganic antimicrobial agent and a second fiber layer which is formed of polyolefin fibers and has a larger fiber diameter than the first fiber layer. The fiber diameter of the first fiber layer is within a range of 0.5 to 2.8 ?m and the ratio of a particle diameter of the inorganic antimicrobial agent with respect to the fiber diameter is within the range of 0.1 to 6.0.Type: ApplicationFiled: August 3, 2010Publication date: July 19, 2012Applicant: UNI-CHARM CORPORATIONInventors: Akira Shibata, Makoto Ishigami, Naohito Takeuchi
-
Publication number: 20110247648Abstract: It is an object of the invention to provide an effective technique for realizing a desired moisture releasing property, in a cosmetic puff having an air-laid non-woven fabric sheet formed of pulp fibers. A cosmetic puff 100 according to this invention includes an inner layer 110 in the form of a sheet and surface layers 120 in the form of laminated sheets on the both sides of the inner layer 110. The inner layer 110 is formed by an air-laid non-woven fabric sheet containing at least pulp fibers and polyethylene terephthalate fibers.Type: ApplicationFiled: October 14, 2009Publication date: October 13, 2011Applicant: UNI-CHARM CORPORATIONInventors: Hiroko Ikeda, Akira Shibata, Kenji Ooba, Takashi Aoto, Naohito Takeuchi
-
Publication number: 20110203593Abstract: An effective technique for balancing mask breathability and mask trapping capability at higher levels is provided in a mask to be worn on a wearer's face. A mask 1 has a mask body 10 that covers at least wearer's mouth and nose and a pair of ear straps 20 that extend from both sides of the mask body 10 and are designed to be hooked around wearer's ears. The mask body 10 includes a first fiber sheet and a second fiber sheet which are electret nonwoven fabric sheets formed of polyolefin fiber. The first fiber sheet is a nonwoven fabric sheet having an average fiber diameter of 0.5 to 3 ?m and a basis weight of 1.5 to 5 g/m2, and the second fiber sheet is a nonwoven fabric sheet having a larger average fiber diameter and a heavier basis weight than the first fiber sheet.Type: ApplicationFiled: May 14, 2009Publication date: August 25, 2011Applicant: Uni-Charm CorporationInventors: Makoto Ishigami, Naohito Takeuchi
-
Publication number: 20100307503Abstract: The present invention provides a mask filter exhibiting a high antimicrobial/antiviral activity, a high dust filtration ability, a high ventilation characteristic, a high failure-strength and a high workability into a mask and the mask produced using such mask filter. An antimicrobial polyolefin fiber sheet is provided wherein the polyolefin fiber sheet has one or more spots in which 1/100 or more by volume of individual inorganic antimicrobial agent particles are exposed on surfaces of polyolefin fibers per fiber sheet area of 1.0×10?2 mm2 or has one or more spots in which the inorganic antimicrobial agent particles are exposed on the surfaces of polyolefin fibers each occupying an area of 0.01 ?m2 or larger per fiber sheet area of 1.0×10?2 mm2. Such polyolefin fiber sheet is arranged as the core layer and this core layer is sandwiched between upper and lower layers of dry nonwoven fabric to form the mask filter in the form of a laminated sheet. Such mask filter is used to form the mask.Type: ApplicationFiled: October 3, 2007Publication date: December 9, 2010Applicant: UNI-CHARM CORPORATIONInventors: Takuya Iwamoto, Naohito Takeuchi, Makoto Ishigami, Hiromi Teraoka
-
Publication number: 20100286631Abstract: A moisturizing pad has a heat generating element sandwiched between first and second surface sheets. The heat generating element contains metal powders, salt, water and water retaining materials adapted to generate oxidation heat and thereby to convert the water to moisture vapor as the element is supplied with oxygen through an air-permeable first surface sheet. The salt and water are provided in a form of saline solution having a salt concentration of 18-22% by weight and the heat generating element is impregnated with such a saline solution in a range of 17.5 to 26% by weight of the element.Type: ApplicationFiled: June 14, 2006Publication date: November 11, 2010Inventors: Kiyoshi Miyazawa, Naohito Takeuchi, Hiromi Teraoka, Takeshi Hanajiri
-
Patent number: 7234458Abstract: A laminated heating body permits free adjustment of temperature to be felt on a user's skin by varying condition of a cover sheet on a surface thereof. The laminated heating body includes a heating body and a cover sheet covering the heating body. The cover sheet is formed from a laminated sheet consisted of at least two sheet bases having mutually different heat conductivity. At least two sheet bases are peelably bonded with each other.Type: GrantFiled: January 21, 2003Date of Patent: June 26, 2007Assignee: Uni-Charm CorporationInventors: Naohito Takeuchi, Toshiyuki Tanio
-
Water-decomposable fibrous sheet of high resistance to surface friction, and method for producing it
Patent number: 7210205Abstract: Provided is a water-decomposable fibrous sheet including fibers containing at least 3% by mass of fibrillated rayon. The fibrillated rayon has a degree of beating of at most 700 cc and has primary fibers of a predetermined fiber length and microfibers extending from the primary fibers. In the fibrous sheet, the microfibers are entangled with at least either of other microfibers and other fibers therein, and the surface friction resistance of the fibrous sheet in dry, measured according to the abrasion resistance test method of JIS P-8136, is at least three rubbing cycles.Type: GrantFiled: November 26, 2003Date of Patent: May 1, 2007Assignee: Uni-Charm CorporationInventors: Naohito Takeuchi, Kazuya Okada, Jyoji Shimizu, Toshiyuki Tanio, Takayoshi Konishi -
Patent number: 7036503Abstract: A humidifier having a heat-generating composition for generating steam is disclosed. The humidifier is permitted to fit the face, keeping the humidity high at a space between the face and the humidifier for many hours. A central non heat-generating belt, which functions as a flexible belt, is provided between inner heat-generating regions containing heat-generating composition. Lateral non heat-generating belts, which function as a flexible belt, are provided between the inner heat-generating regions and outer heat-generating regions. The humidifier fits the face by deforming the flexible belts. Thus, the face is kept moisturized by steam discharged from the inner heat-generating regions and the outer heat-generating regions.Type: GrantFiled: January 12, 2005Date of Patent: May 2, 2006Assignee: Uni-Charm CorporationInventors: Kiyoshi Miyazawa, Takeshi Hanajiri, Hiromi Teraoka, Naohito Takeuchi
-
Publication number: 20050145250Abstract: A humidifier having a heat-generating composition for generating steam is disclosed. The humidifier is permitted to fit the face, keeping the humidity high at a space between the face and the humidifier for many hours. A central non heat-generating belt, which functions as a flexible belt, is provided between inner heat-generating regions containing heat-generating composition. Lateral non heat-generating belts, which function as a flexible belt, are provided between the inner heat-generating regions and outer heat-generating regions. The humidifier fits the face by deforming the flexible belts. Thus, the face is kept moisturized by steam discharged from the inner heat-generating regions and the outer heat-generating regions.Type: ApplicationFiled: January 12, 2005Publication date: July 7, 2005Applicant: Uni-Charm CorporationInventors: Kiyoshi Miyazawa, Takeshi Hanajiri, Hiromi Teraoka, Naohito Takeuchi
-
Patent number: 6823568Abstract: A nonwoven fabric suitable to be used as a kitchen paper including thermoplastic synthetic fibers being 7˜30 mm long and as fine as of 0.1˜0.8 d, in 90˜10% by weight and pulp fibers being 2˜7 mm long, in 10˜90% by weight, these component fibers being mixed together as homogeneously as possible and mechanically entangled so as to have a basis weight of 10˜80 g/m2 as a whole.Type: GrantFiled: August 31, 2000Date of Patent: November 30, 2004Assignee: Uni-Charm CorporationInventors: Toshio Kobayashi, Miou Suzuki, Naohito Takeuchi
-
Patent number: 6824852Abstract: A heat conductivity from a heating body to a user's skin is improved to provide satisfactorily warm feeling to the skin of the user. A laminated heating body has a heating body and a cover sheet covering the heating body. The cover sheet defines at least one low temperature portion formed from a material having low heat conductivity and at least one high temperature portion formed from a material having high heat conductivity. The at least one low temperature portion and the at least one high temperature portion are formed separately on a surface of the cover sheet contacting with a user's skin.Type: GrantFiled: January 24, 2003Date of Patent: November 30, 2004Assignee: Uni-Charm CorporationInventors: Naohito Takeuchi, Kiyoshi Miyazawa, Mitsuko Yamaji, Ayami Suga, Toshiyuki Tanio
-
Patent number: 6808598Abstract: Herein provided is a water-decomposable fibrous sheet includes water-dispersible fibers having a fiber length of at most 20 mm, and a gel compound.Type: GrantFiled: September 29, 2000Date of Patent: October 26, 2004Assignee: Uni-Charm CorporationInventors: Naohito Takeuchi, Takayoshi Konishi
-
Water-decomposable fibrous sheet of high resistance to surface friction, and method for producing it
Publication number: 20040103507Abstract: Provided is a water-decomposable fibrous sheet including fibers containing at least 3% by mass of fibrillated rayon. The fibrillated rayon has a degree of beating of at most 700 cc and has primary fibers of a predetermined fiber length and microfibers extending from the primary fibers. In the fibrous sheet, the microfibers are entangled with at least either of other microfibers and other fibers therein, and the surface friction resistance of the fibrous sheet in dry, measured according to the abrasion resistance test method of JIS P-8136, is at least three rubbing cycles.Type: ApplicationFiled: November 26, 2003Publication date: June 3, 2004Inventors: Naohito Takeuchi, Kazuya Okada, Jyoji Shimizu, Toshiyuki Tanio, Takayoshi Konishi -
Water-decomposable fibrous sheet of high resistance to surface friction, and method for producing it
Patent number: 6699806Abstract: Provided is a water-decomposable fibrous sheet including fibers containing at least 3% by mass of fibrillated rayon. The fibrillated rayon has a degree of beating of at most 700 cc and has primary fibers of a predetermined fiber length and microfibers extending from the primary fibers. In the fibrous sheet, the microfibers are entangled with at least either of other microfibers and other fibers therein, and the surface friction resistance of the fibrous sheet in dry, measured according to the abrasion resistance test method of JIS P-8136, is at least three rubbing cycles.Type: GrantFiled: July 27, 2000Date of Patent: March 2, 2004Assignee: Uni-Charm CorporationInventors: Naohito Takeuchi, Kazuya Okada, Jyoji Shimizu, Toshiyuki Tanio, Takayoshi Konishi -
Patent number: 6669878Abstract: A water disintegratable non-woven fabric having excellent water disintegratability and high wet strength can be obtained by a step of forming a fiber web from fibers having a fiber length of 10 mm or less, a step of applying a water jet treatment to the fiber web to obtain a fiber sheet having wet strength of less than 100 g/25 mm in MD and CD, the wet strength being defined by tensile strength at break of the fiber sheet, as measured by using a tensilon tester with a chuck distance of 100 mm, at a tensile speed of 100 mm/min to the fiber sheet which is cut into 25 mm width and 150 mm length and impregnated with water in an amount 2.5 times the weight of the fiber sheet, and a step of adding at least one binder selected from the group consisting of carboxymethyl cellulose, alkylcellulose, polyvinyl alcohol and modified polyvinyl alcohol to the fiber sheet. The water disintegratable non-woven fabric is sufficiently bulky and has an excellent wiping effect.Type: GrantFiled: February 16, 2001Date of Patent: December 30, 2003Assignee: Uni-Charm CorporationInventors: Daisuke Yamada, Naohito Takeuchi, Takayoshi Konishi
-
Patent number: 6660334Abstract: There is disclosed a cleaning article including a water-decomposable non-woven fabric containing water dispersible fibers and a water soluble resin coated on one side or both sides of the water-decomposable non-woven fabric. The water soluble resin is contained more in a surface portion or surface portions of a fiber assembly than in a remaining portion or inner portion of the fiber assembly. The water soluble resin thus contained can increase only the surface strength of the non-woven fabric sufficiently without deteriorating the softness of the entire article, so that dropping of fibers or breakage of surface upon wiping operation can be prevented.Type: GrantFiled: December 7, 2001Date of Patent: December 9, 2003Assignee: Uni-Charm CorporationInventors: Naohito Takeuchi, Konishi Takayoshi
-
Publication number: 20030178166Abstract: Conventional water-decomposable fibrous sheets for cleaning sheets capable of being disposed of in toilets and others do not have well-balanced decomposability in water and strength. The water-decomposable fibrous sheet containing from 5 to 100% by mass of fibrillated rayon having a fiber length of at most 10 mm and having a degree of beating of at most 700 cc, optionally along with other fibers having a length of at most 10 mm, has good decomposability in water and high wet strength. When subjected to water-jetting treatment, it becomes more bulky to have a soft feel.Type: ApplicationFiled: October 7, 2002Publication date: September 25, 2003Applicant: Uni-Charm CorporationInventors: Naohito Takeuchi, Jyoji Shimizu, Kazuya Okada, Toshiyuki Tanio, Takayoshi Konishi