Patents Assigned to NBC Meshtec, Inc.
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Patent number: 11840799Abstract: To provide a mesh member such that a static charge can be suppressed. Provided is a mesh member including a mesh woven fabric and a coating layer that is formed on the surface of the mesh woven fabric and contains a carbon nanotube and/or graphene.Type: GrantFiled: March 12, 2019Date of Patent: December 12, 2023Assignee: NBC MESHTEC INC.Inventors: Yuki Yoshioka, Nobukazu Motojima, Tsuruo Nakayama
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Publication number: 20230330637Abstract: [Problem] The purpose of the present invention is to provide a deodorizing catalyst that can decompose a malodorous substance even at a low temperature of 100° C. or less. [Solution] A deodorizing catalyst for decomposing a malodorous substance, comprising: manganese oxide wherein the manganese oxide satisfies the following expression (1) and the following expression (2), and the manganese oxide has a maximum intensity peak at a diffraction angle (2?) of 37±1° in an X-ray diffraction pattern: 0<A?0.90 . . . ??(1) 0<B?250 . . .Type: ApplicationFiled: September 2, 2021Publication date: October 19, 2023Applicants: NBC MESHTEC INC., TOKYO METROPOLITAN PUBLIC UNIVERSITY CORPORATION, THE UNIVERSITY OF TOKYOInventors: Yoko FUKUI, Youhei JIKIHARA, Toru MURAYAMA, Tetsuya SHISHIDO, Takashi TAKEI, Mingyue LIN, Haifeng WANG, Kazuya YAMAGUCHI
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Patent number: 11434218Abstract: [PROBLEM] To provide a novel method for synthesising a polyphenol. [SOLUTION] A polyphenol production method including the reaction of catechin in the presence of a catalyst and an oxidising agent, said catalyst comprising a metal oxide and/or a composite that comprises: a substrate which has an inorganic material on the surface thereof; and metal nanoparticles of a particle diameter of 0.5-100 nm attached to the surface of the inorganic material.Type: GrantFiled: August 24, 2018Date of Patent: September 6, 2022Assignee: NBC MESHTEC INC.Inventors: Erika Takahashi, Yoshie Fujimori, Youhei Jikihara, Tsuruo Nakayama
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Patent number: 11363844Abstract: A mask having an inner surface facing a wearer and an outer surface located opposite to the inner surface has first to fourth filters. The first filter is disposed on the outer surface of the mask and has air permeability and a water absorption capacity of 100% or more and less than 1000%. The second filter is layered on the first filter on the side of the inner surface of the mask and has air permeability and a water absorption capacity of less than 30%. The third filter is layered on the second filter on the side of the inner surface of the mask and is formed of an electret filter having air permeability and a water absorption capacity of less than 50%. The fourth filter is disposed on the inner surface of the mask and has air permeability.Type: GrantFiled: October 13, 2017Date of Patent: June 21, 2022Assignee: NBC MESHTEC INC.Inventors: Tetsuya Sato, Tomokazu Nagao, Tsuruo Nakayama
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Patent number: 11148452Abstract: To provide a screen plate that can allow printing accuracy to be improved. A screen plate comprising a plate frame and a screen gauze formed of warp and weft fibers each made of a synthetic fiber, wherein the screen gauze is stretched on the plate frame under application of a predetermined tensile force, and the thickness of the screen gauze stretched on the plate frame is 88% or less based on the thickness of the screen gauze under application of no tensile force.Type: GrantFiled: December 6, 2017Date of Patent: October 19, 2021Assignee: NBC MESHTEC INC.Inventors: Shinji Kurahashi, Hiroki Sano, Nobukazu Motojima, Tsuruo Nakayama
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Publication number: 20200399821Abstract: To provide a mesh member such that a static charge can be suppressed. Provided is a mesh member including a mesh woven fabric and a coating layer that is formed on the surface of the mesh woven fabric and contains a carbon nanotube and/or graphene.Type: ApplicationFiled: March 12, 2019Publication date: December 24, 2020Applicant: NBC MESHTEC INC.Inventors: Yuki YOSHIOKA, Nobukazu MOTOJIMA, Tsuruo NAKAYAMA
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Publication number: 20200359633Abstract: To provide an antimicrobial/antiviral composition having an excellent immediate effect while the content of monovalent copper compound is low. The antimicrobial/antiviral composition includes: a resin; an antimicrobial/antiviral agent containing monovalent copper compound microparticles coated with a dispersant; and a hydrophilic compound that is dispersed in the resin and is immiscible with the resin.Type: ApplicationFiled: September 3, 2018Publication date: November 19, 2020Applicant: NBC MESHTEC INC.Inventors: Masako TAKINO, Shinji KURAHASHI, Yoshie FUJIMORI, Nobukazu MOTOJIMA, Tsuruo NAKAYAMA
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Patent number: 10744351Abstract: A mask is provided that can inactivate viruses adhering thereto even in the presence of lipids and proteins regardless of whether or not the viruses have an envelope. The mask can inactivate viruses adhering thereto and includes a mask body provided with a member used when the mask is worn and virus inactivating fine particles having a virus inactivating ability and held by the mask body. The virus inactivating fine particles are particles of at least one selected from the group consisting of platinum(II) iodide, palladium(II) iodide, silver(I) iodide, copper(I) iodide, and copper(I) thiocyanate.Type: GrantFiled: September 30, 2010Date of Patent: August 18, 2020Assignee: NBC MESHTEC, INC.Inventors: Yoshie Fujimori, Youhei Jikihara, Tetsuya Sato, Yoko Fukui, Tsuruo Nakayama
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Publication number: 20200231560Abstract: [PROBLEM] To provide a novel method for synthesising a polyphenol. [SOLUTION] A polyphenol production method including the reaction of catechin in the presence of a catalyst and an oxidising agent, said catalyst comprising a metal oxide and/or a composite that comprises: a substrate which has an inorganic material on the surface thereof; and metal nanoparticles of a particle diameter of 0.5-100 nm attached to the surface of the inorganic material.Type: ApplicationFiled: August 24, 2018Publication date: July 23, 2020Applicant: NBC MESHTEC INC.Inventors: Erika TAKAHASHI, Yoshie FUJIMORI, Youhei JIKIHARA, Tsuruo NAKAYAMA
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Publication number: 20200001642Abstract: To provide a screen plate that can allow printing accuracy to be improved. A screen plate comprising a plate frame and a screen gauze formed of warp and weft fibers each made of a synthetic fiber, wherein the screen gauze is stretched on the plate frame under application of a predetermined tensile force, and the thickness of the screen gauze stretched on the plate frame is 88% or less based on the thickness of the screen gauze under application of no tensile force.Type: ApplicationFiled: December 6, 2017Publication date: January 2, 2020Applicant: NBC MESHTEC INC.Inventors: Shinji KURAHASHI, Hiroki SANO, Nobukazu MOTOJIMA, Tsuruo NAKAYAMA
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Publication number: 20190231004Abstract: A mask having an inner surface facing a wearer and an outer surface located opposite to the inner surface has first to fourth filters. The first filter is disposed on the outer surface of the mask and has air permeability and a water absorption capacity of 100% or more and less than 1000%. The second filter is layered on the first filter on the side of the inner surface of the mask and has air permeability and a water absorption capacity of less than 30%. The third filter is layered on the second filter on the side of the inner surface of the mask and is formed of an electret filter having air permeability and a water absorption capacity of less than 50%. The fourth filter is disposed on the inner surface of the mask and has air permeability.Type: ApplicationFiled: October 13, 2017Publication date: August 1, 2019Applicant: NBC MESHTEC INC.Inventors: Tetsuya SATO, Tomokazu NAGAO, Tsuruo NAKAYAMA
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Patent number: 9962651Abstract: A gas treatment device includes a plasma-generating unit and a catalyst medium. The plasma-generating unit is provided with at least a flow channel through which a gas to be treated flows; and a power-supply unit for supplying electrical power, a first electrode, a second electrode and a dielectric material arranged inside the flow channel. A voltage is impressed between the first electrode and the second electrode by the power-supply unit and electrical discharging is caused to occur, whereby plasma is generated. The catalyst medium is adapted for accelerating a reaction with the gas to be treated and is provided in a position where the plasma generated by the plasma-generating unit inside the flow channel is present, and the catalyst medium has metallic catalytic particles present on an inorganic substance.Type: GrantFiled: September 4, 2012Date of Patent: May 8, 2018Assignee: NBC MESHTEC, INC.Inventors: Makoto Ikegami, Takanori Matsumoto, Tsuruo Nakayama, Youhei Jikihara
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Patent number: 9957245Abstract: The objective/problem addressed by the present invention is to provide a novel technique pertaining to theaflavins synthesis. The present invention pertains to: a theaflavins synthesis catalyst characterized in having a base comprising an inorganic material, and metal nanoparticles anchored to the base, said particles measuring 0.5-100 nm in diameter; and a theaflavins synthesis method in which the catalyst is used.Type: GrantFiled: June 29, 2015Date of Patent: May 1, 2018Assignee: NBC MESHTEC INC.Inventors: Yoshie Fujimori, Tsuruo Nakayama, Tomokazu Nagao
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Publication number: 20180077928Abstract: [Problem] To exhibit an insect-repelling effect while suppressing insect repellent intake by people, etc., and to prolong said insect-repelling effect. [Solution] This inject repellent fiber (1), which can release an insect repellent, comprises a core part (2) which contains an insect repellent (4) and which is formed from a thermoplastic resin, and a sheath part (3) which contacts the outer surface of the core part to cover the core part and which is formed from a thermoplastic resin. The crystallinity of the thermoplastic resin configuring the sheath part is less than or equal to the crystallinity of the thermoplastic resin configuring the core part.Type: ApplicationFiled: March 9, 2016Publication date: March 22, 2018Applicant: NBC MESHTEC INC.Inventors: Yosuke AMEMIYA, Nobukazu MOTOJIMA, Tsuruo NAKAYAMA
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Publication number: 20170158660Abstract: The objective/problem addressed by the present invention is to provide a novel technique pertaining to theaflavins synthesis. The present invention pertains to: a theaflavins synthesis catalyst characterized in having a base comprising an inorganic material, and metal nanoparticles anchored to the base, said particles measuring 0.5-100 nm in diameter; and a theaflavins synthesis method in which the catalyst is used.Type: ApplicationFiled: June 29, 2015Publication date: June 8, 2017Applicant: NBC MESHTEC INC.Inventors: Yoshie FUJIMORI, Tsuruo NAKAYAMA, Tomokazu NAGAO
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Patent number: 9549949Abstract: An antiviral agent that contains as an active ingredient a particle of at least one kind of iodide composed of iodine and an element shown in Period 4 to Period 6 and Group 8 to Group 15 of a periodic table or at least one kind of monovalent copper compound. The antiviral agent can be incorporated into a variety of products. The antiviral agent can inactivate a wide range of viruses. The antiviral agent can be designed at a higher degree of freedom in terms of its constituents as compared to conventional antiviral agents. In addition, the antiviral agent can readily exhibit and maintain its antiviral activity because it does not require any pretreatments or special washing processes.Type: GrantFiled: August 31, 2009Date of Patent: January 24, 2017Assignee: NBC MESHTEC, INC.Inventors: Yoshie Fujimori, Tsuruo Nakayama, Tetsuya Sato
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Publication number: 20160324892Abstract: [Problem] To provide a bactericidal composition for bacterial skin disease against which it is difficult for bacteria that cause bacterial skin disease to acquire drug resistance. [Solution] A bactericidal composition for bacterial skin disease that is characterized by including silver iodide in the form of nanoparticles having a particle size of 1-100 nm, inclusive, iodide ions, a water-soluble polymer, and an organic acid having a carboxyl group, and/or a salt of said acid, wherein the molar ratio of silver to iodide ions in the silver iodide is 1:1-1:1000.Type: ApplicationFiled: February 6, 2015Publication date: November 10, 2016Applicant: NBC MESHTEC INC.Inventors: Yoko FUKUI, Eri MAZUYAMA, Yoshie FUJIMORI, Tomokazu NAGAO, Tsuruo NAKAYAMA
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Patent number: 9380785Abstract: To provide an antiviral resin member which can efficiently inactivate viruses and has excellent sustainability. An antiviral resin member comprising a resin, an antiviral agent, and a surface potential-controlling agent, characterized in that the surface potential-controlling agent causes the surface potential of the antiviral resin member to shift to a value on the positive side of the potential of the resin alone.Type: GrantFiled: July 6, 2012Date of Patent: July 5, 2016Assignee: NBC MESHTEC, INC.Inventors: Shinji Kurahashi, Nobukazu Motojima, Yoko Fukui, Tsuruo Nakayama
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Patent number: 9155309Abstract: A virus inactivating sheet is provided that can inactivate viruses adhering thereto even in the presence of lipids and proteins regardless of whether or not the viruses have an envelope. The virus inactivating sheet can inactivate viruses adhering thereto and includes a sheet body, and monovalent copper compound fine particles and/or iodide fine particles that are held by the sheet body. The virus inactivating sheet can inactivate various viruses. These viruses can be inactivated even in the presence of lipids and proteins.Type: GrantFiled: October 4, 2010Date of Patent: October 13, 2015Assignee: NBC MESHTEC, INC.Inventors: Yoshie Fujimori, Youhei Jikihara, Tetsuya Sato, Yoko Fukui, Tsuruo Nakayama
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Patent number: 9045855Abstract: Disclosed is an anti-viral member which can inactivate a virus. Specifically disclosed is an anti-viral member which is characterized by comprising a base material, univalent copper compound microparticles, and inorganic microparticles which are provided for the purpose of retaining the univalent copper compound microparticles on the base material and each of which has a silane monomer bound to the surface thereof via a chemical bond, wherein the inorganic microparticles are bound to one another via chemical bonds formed between the silane monomers provided on the surfaces thereof, and each of the inorganic microparticles is bound to the base material via a chemical bond between the silane monomer and the base material to form spaces in which the univalent copper compound microparticles are to be retained.Type: GrantFiled: December 28, 2009Date of Patent: June 2, 2015Assignee: NBC Meshtec, Inc.Inventors: Yoshie Fujimori, Tsuruo Nakayama, Yoko Fukui