Patents by Inventor Masaya Nogi

Masaya Nogi 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).

  • Patent number: 10099291
    Abstract: Provided are a metal nanowire production method capable of producing long and thin metal nanowires, and metal nanowires produced thereby. A metal nanowire production method comprising, a step for preparing a solution containing a metal salt, a polymer, at least one selected from a group consisting of halides, sulfides, carbonates, and sulfates, and an aliphatic alcohol, and a step for heating and reacting the solution at the temperature of 100° C. to 250° C. for 10 minutes or more while maintaining a practical shear stress applied to the solution at 10 mPa·m or less, wherein, during the heating and reacting step, ultraviolet-visible absorption spectrum change of the solution is measured, and a reaction time is controlled on the basis of the ultraviolet-visible absorption spectrum information.
    Type: Grant
    Filed: May 26, 2014
    Date of Patent: October 16, 2018
    Assignees: SHOWA DENKO K.K., OSAKA UNIVERSITY
    Inventors: Katsuaki Suganuma, Jinting Jiu, Masaya Nogi, Tohru Sugahara, Teppei Araki, Hiroshi Uchida, Hideki Ohata, Masanao Hara, Eri Okazaki
  • Patent number: 9620286
    Abstract: Disclosed are an insulating material (high-k layer) which includes a fiber assembly mainly composed of a cellulose nanofiber, and an electroconductive metal material supported by the fiber assembly; and a passive element (capacitor) which includes a high-k layer which is composed of the insulating material, and an electroconductive part stacked on the high-k layer.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: April 11, 2017
    Assignees: NIPPON MEKTRON, LTD., OSAKA UNIVERSITY
    Inventors: Masaya Nogi, Katsuaki Suganuma, Hirotaka Koga, Natsuki Komoda, Hirofumi Matsumoto, Masayuki Iwase, Kazuyuki Ozaki, Keizo Toyama
  • Publication number: 20160121403
    Abstract: Provided are a metal nanowire production method capable of producing long and thin metal nanowires, and metal nanowires produced thereby. A metal nanowire production method comprising, a step for preparing a solution containing a metal salt, a polymer, at least one selected from a group consisting of halides, sulfides, carbonates, and sulfates, and an aliphatic alcohol, and a step for heating and reacting the solution at the temperature of 100° C. to 250° C. for 10 minutes or more while maintaining a practical shear stress applied to the solution at 10 mPa·m or less, wherein, during the heating and reacting step, ultraviolet-visible absorption spectrum change of the solution is measured, and a reaction time is controlled on the basis of the ultraviolet-visible absorption spectrum information.
    Type: Application
    Filed: May 26, 2014
    Publication date: May 5, 2016
    Applicants: SHOWA DENKO K.K., OSAKA UNIVERSITY
    Inventors: Katsuaki SUGANUMA, Jinting JIU, Masaya NOGI, Tohru SUGAHARA, Teppei ARAKI, Hiroshi UCHIDA, Hideki OHATA, Masanao HARA, Eri OKAZAKI
  • Patent number: 9157004
    Abstract: A composition for copper patterning and a method of copper patterning using the composition are provided, which composition is excellently safe in copper patterning, sintering at lower temperatures, and capable of forming a highly conducive copper pattern of a desired shape even on a plastic substrate. The composition contains Component A: a copper ?-ketocarboxylate compound of formula (1): (R1, R2: H or C1-C6 straight- or C3-C6 branched-hydrocarbon group, etc.); and based on 1 mol of this compound, Component B: an amine compound having a boiling point of not higher than 250° C. at 0.1 to 500 mol; and Component C-1: an organic acid having pKa of not more than 4 at 0.01 to 20 mol, and/or Component C-2: an organic copper compound composed of copper and an organic acid having pKa of not more than 4 at 0.01 to 100 mol. The composition is useful in the field of electronics.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: October 13, 2015
    Assignees: NOF CORPORATION, OSAKA UNIVERSITY
    Inventors: Eui-chul Kang, Tomoyuki Ohtake, Katsuaki Suganuma, Masaya Nogi, Natsuki Komoda
  • Patent number: 9029275
    Abstract: Provided is a nanofiber sheet that sufficiently refined by fibrillation and has high crystallinity of cellulose fiber and can realize a fiber-reinforced composite material exhibiting high transparency, a high elastic modulus, a low coefficient of linear thermal expansion, and high heat resistance and being high in flatness and smoothness. This nanofiber sheet includes crystalline cellulose as the main component and a lignin in an amount of from 10 ppm to 10 wt %. When a fiber/resin composite material obtained by impregnating the nanofiber sheet with tricyclodecane dimethacrylate, subjecting the impregnated product to UV-curing at 20 J/cm2, and heating the cured product in vacuum at 160° C. for two hours includes 60 wt % of the cured tricyclodecane dimethacrylate and 40 wt % of nanofiber, the following physical characteristics (i) to (iii) are satisfied: (i) the parallel light transmittance of light of a wavelength of 600 nm at a sheet thickness of 100 ?m is 70% or more; (ii) the Young's modulus is 5.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: May 12, 2015
    Assignees: Mitsubishi Chemical Corporation, Rohm Co., Ltd.
    Inventors: Hiroyuki Yano, Masaya Nogi, Shinsuke Ifuku, Kentarou Abe, Keishin Handa
  • Patent number: 9012010
    Abstract: A nanofiber sheet that has a high degree of transparency, a high modulus of elasticity, a low coefficient of linear thermal expansion as well as high degrees of flatness and smoothness, in particular, a nanofiber sheet produced as a uniform and flat sheet having a high optical transmittance with cellulose as the only component. This sheet has the following characteristics: Calculated for a thickness of 60 ?m, the transmittance for parallel rays of light having a wavelength of 600 nm is equal to or higher than 70%; The Young's modulus measured in accordance with the JIS K7161 method is equal to or greater than 10 GPa; The coefficient of linear thermal expansion measured in accordance with the ASTM D606 method is equal to or smaller than 10 ppm/K.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: April 21, 2015
    Assignee: Rohm Co., Ltd.
    Inventors: Hiroyuki Yano, Masaya Nogi
  • Publication number: 20150030783
    Abstract: A method for producing a transparent conductive pattern having an improved conductivity by pulse light irradiation. A transparent conductive pattern is produced by coating and drying a dispersion liquid having metal nanowires dispersed therein on a substrate, to deposit the metal nanowires, and irradiating pulsed light having a pulse width of 20 microseconds to 50 milliseconds to the metal nanowires deposited on the substrate, to thereby join intersections of the metal nanowires.
    Type: Application
    Filed: March 8, 2013
    Publication date: January 29, 2015
    Applicants: OSAKA UNIVERSITY, SHOWA DENKO K.K.
    Inventors: Katsuaki Suganuma, Masaya Nogi, Jinting Jiu, Tohru Sugahara, Hiroshi Uchida, Kenji Shinozaki
  • Patent number: 8940881
    Abstract: The present invention provides a method for producing chitin nanofibers, which includes the steps of deproteinizing a material derived from a chitin-containing organism by an alkali treatment, deashing a deproteinized integument by an acid treatment, optionally treating the deashed integument under acidic conditions, and then subjecting to a fiber-loosening treatment. The present invention also provides chitin nanofibers obtained by the method, and a composite material and a coating composition each containing the same. The present invention provides a method for producing chitosan nanofibers, which includes, in addition to the above steps, a deacetylation step and chitosan nanofibers obtained by the method, and a composite material and a coating composition each containing the same.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: January 27, 2015
    Assignees: Tottori University, Kyoto University, Omura Toryo Co., Ltd.
    Inventors: Shinsuke Ifuku, Hiroyuki Saimoto, Hiroyuki Yano, Masaya Nogi, Yoshihiko Omura
  • Publication number: 20150014039
    Abstract: Disclosed are an insulating material (high-k layer) which includes a fiber assembly mainly composed of a cellulose nanofiber, and an electroconductive metal material supported by the fiber assembly; and a passive element (capacitor) which includes a high-k layer which is composed of the insulating material, and an electroconductive part stacked on the high-k layer.
    Type: Application
    Filed: June 23, 2014
    Publication date: January 15, 2015
    Applicants: NIPPON MEKTRON, LTD., OSAKA UNIVERSITY
    Inventors: Masaya Nogi, Katsuaki Suganuma, Hirotaka Koga, Natsuki Komoda, Hirofumi Matsumoto, Masayuki Iwase, Kazayuki Ozaki, Keizo Toyama
  • Publication number: 20140305684
    Abstract: A composition for copper patterning and a method of copper patterning using the composition are provided, which composition is excellently safe in copper patterning, sintering at lower temperatures, and capable of forming a highly conducive copper pattern of a desired shape even on a plastic substrate. The composition contains Component A: a copper ?-ketocarboxylate compound of formula (1): (R1, R2: H or C1-C6 straight- or C3-C6 branched-hydrocarbon group, etc.); and based on 1 mol of this compound, Component B: an amine compound having a boiling point of not higher than 250° C. at 0.1 to 500 mol; and Component C-1: an organic acid having pKa of not more than 4 at 0.01 to 20 mol, and/or Component C-2: an organic copper compound composed of copper and an organic acid having pKa of not more than 4 at 0.01 to 100 mol. The composition is useful in the field of electronics.
    Type: Application
    Filed: October 23, 2012
    Publication date: October 16, 2014
    Applicants: OSAKA UNIVERSITY, NOF CORPORATION
    Inventors: Eui-chul Kang, Tomoyuki Ohtake, Katsuaki Suganuma, Masaya Nogi, Natsuki Komoda
  • Patent number: 8372764
    Abstract: A highly transparent fiber composite material is provided that can be manufactured through a simplified process using reduced amounts of raw materials and that has high flexibility and low thermal expansivity and retains good functionality of the fiber material. The fiber composite material includes: a fiber assembly having an average fiber diameter of 4 to 200 nm and a 50 ?m-thick visible light transmittance of 3% or more; and a coating layer that coats and smoothes the surface of the fiber assembly, wherein the fiber composite material has a 50 ?m-thick visible light transmittance of 60% or more. With this fiber assembly, the scattering of light caused by the irregularities on the surface can be suppressed by coating the surface with the coating layer to smooth the surface, whereby a highly transparent fiber composite material can be obtained.
    Type: Grant
    Filed: July 12, 2007
    Date of Patent: February 12, 2013
    Assignee: Rohm Co., Ltd.
    Inventors: Hiroyuki Yano, Masaya Nogi, Kentaro Abe, Shinsuke Ifuku, Noriyuki Shimoji, Yoshiaki Oku, Suguru Okuyama
  • Publication number: 20110319528
    Abstract: The present invention provides a method for producing chitin nanofibers, which includes the steps of deproteinizing a material derived from a chitin-containing organism by an alkali treatment, deashing a deproteinized integument by an acid treatment, optionally treating the deashed integument under acidic conditions, and then subjecting to a fiber-loosening treatment. The present invention also provides chitin nanofibers obtained by the method, and a composite material and a coating composition each containing the same. The present invention provides a method for producing chitosan nanofibers, which includes, in addition to the above steps, a deacetylation step and chitosan nanofibers obtained by the method, and a composite material and a coating composition each containing the same.
    Type: Application
    Filed: June 30, 2009
    Publication date: December 29, 2011
    Inventors: Shinsuke Ifuku, Hiroyuki Saimoto, Hiroyuki Yano, Masaya Nogi, Yoshihiko Omura
  • Patent number: 8030375
    Abstract: Disclosed is a highly transparent fiber-reinforced composite material including an assembly of cellulose fibers of 4 to 200 nm average fiber diameter impregnated with a matrix material so as to not only remedy the moisture absorbency attributed to cellulose fibers but also further improve transparency. There is provided a fiber-reinforced composite material including an assembly of cellulose fibers impregnated with a matrix material. In the fiber-reinforced composite material, hydroxyl groups of cellulose fibers are chemically modified through a reaction with one or more chemical modifiers selected from the group consisting of an acid, an alcohol, a halogenating reagent, an acid anhydride, and an isocyanate so that the ratio of a functional group introduced by the chemical modification is 5 to 40 percent by mole based on the hydroxyl groups of cellulose fibers before the chemical modification.
    Type: Grant
    Filed: January 31, 2006
    Date of Patent: October 4, 2011
    Assignees: Nippon Telegraph and Telephone Corporation, Pioneer Corporation, Mitsubishi Chemical Corporation, Rohm Co., Ltd.
    Inventors: Hiroyuki Yano, Masaya Nogi, Fumiaki Nakatsubo, Shinsuke Ifuku
  • Publication number: 20110117319
    Abstract: A nanofiber sheet that has a high degree of transparency, a high modulus of elasticity, a low coefficient of linear thermal expansion as well as high degrees of flatness and smoothness, in particular, a nanofiber sheet produced as a uniform and flat sheet having a high optical transmittance with cellulose as the only component. This sheet has the following characteristics: Calculated for a thickness of 60 ?m, the transmittance for parallel rays of light having a wavelength of 600 nm is equal to or higher than 70%; The Young's modulus measured in accordance with the JIS K7161 method is equal to or greater than 10 GPa; The coefficient of linear thermal expansion measured in accordance with the ASTM D606 method is equal to or smaller than 10 ppm/K.
    Type: Application
    Filed: June 26, 2009
    Publication date: May 19, 2011
    Applicants: KYOTO UNIVERSITY, PIONEER CORPORATION, HITACHI, LTD., ROHM CO., LTD.
    Inventors: Hiroyuki Yano, Masaya Nogi
  • Publication number: 20100143681
    Abstract: A flexible substrate 1 of the present invention is formed of a thin glass sheet 10 having a thickness of 50 ?m or less and a composite material sheet 20 having a thickness of 100 ?m or less which are laminated together, the composite material sheet 20 being formed of a composite material of an aggregation of cellulose nanofiber and amorphous synthetic resin.
    Type: Application
    Filed: March 27, 2008
    Publication date: June 10, 2010
    Inventors: Hiroyuki Yano, Masaya Nogi, Kentarou Abe, Shinsuke Ifuku, Takashi Kurihara
  • Patent number: 7691473
    Abstract: The present invention relates to a fiber-reinforced composite material and a method for manufacturing the same, and also relates to a transparent multilayered sheet, a circuit board, and an optical waveguide.
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: April 6, 2010
    Assignees: Rohm Co., Ltd., Mitsubishi Chemical Corporation, Hitachi, Ltd., Pioneer Corporation
    Inventors: Hiroyuki Yano, Junji Sugiyama, Masaya Nogi, Shin-ichiro Iwamoto, Keishin Handa, Akira Nagai, Takao Miwa, Yoshitaka Takezawa, Toshiyuki Miyadera, Takashi Kurihara, Tohru Matsuura, Nobutatsu Koshoubu, Tohru Maruno
  • Publication number: 20090305033
    Abstract: A highly transparent fiber composite material is provided that can be manufactured through a simplified process using reduced amounts of raw materials and that has high flexibility and low thermal expansivity and retains good functionality of the fiber material. The fiber composite material includes: a fiber assembly having an average fiber diameter of 4 to 200 nm and a 50 ?m-thick visible light transmittance of 3% or more; and a coating layer that coats and smoothes the surface of the fiber assembly, wherein the fiber composite material has a 50 ?m-thick visible light transmittance of 60% or more. With this fiber assembly, the scattering of light caused by the irregularities on the surface can be suppressed by coating the surface with the coating layer to smooth the surface, whereby a highly transparent fiber composite material can be obtained.
    Type: Application
    Filed: July 12, 2007
    Publication date: December 10, 2009
    Applicants: ROHM CO., LTD., PIONEER CORPORATION, HITACHI, LTD.
    Inventors: Hiroyuki Yano, Masaya Nogi, Kentaro Abe, Shinsuko Ifuku, Noriyuki Shimoji, Yoshiaki Oku, Suguru Okuyama
  • Publication number: 20090298976
    Abstract: An object of the present invention is to provide a fiber-reinforced composite resin composition for use as a sealant, adhesive, or filler, having a high transparency, and enabled to adequately meet recently required levels of low thermal expansion property, high strength, light weight, high thermal conductivity, and especially high, isotropic thermal conductivity. With the fiber-reinforced composite resin composition, the fibers have an average fiber diameter of 4 to 200 nm, a total light transmittance at wavelengths of 400 to 700 nm as measured with a 50 ?m-thickness cured product, resulting from curing the composition to a plate-like form, is no less than 70%, both a thermal conductivity coefficient in a thickness direction and a thermal conductivity coefficient in a plate surface direction of the cured product are no less than 0.4 W/m·K, and the fibers are oriented randomly in the composition.
    Type: Application
    Filed: October 26, 2006
    Publication date: December 3, 2009
    Inventors: Hiroyuki Yano, Masaya Nogi, Shinsuke Ifuku, Kentaro Abe, Yoshitaka Takezawa, Keishin Handa
  • Publication number: 20090264036
    Abstract: Provided is a nanofiber sheet that sufficiently refined by fibrillation and has high crystallinity of cellulose fiber and can realize a fiber-reinforced composite material exhibiting high transparency, a high elastic modulus, a low coefficient of linear thermal expansion, and high heat resistance and being high in flatness and smoothness. This nanofiber sheet includes crystalline cellulose as the main component and a lignin in an amount of from 10 ppm to 10 wt %. When a fiber/resin composite material obtained by impregnating the nanofiber sheet with tricyclodecane dimethacrylate, subjecting the impregnated product to UV-curing at 20 J/cm2, and heating the cured product in vacuum at 160° C. for two hours includes 60 wt % of the cured tricyclodecane dimethacrylate and 40 wt % of nanofiber, the following physical characteristics (i) to (iii) are satisfied: (i) the parallel light transmittance of light of a wavelength of 600 nm at a sheet thickness of 100 ?m is 70% or more; (ii) the Young's modulus is 5.
    Type: Application
    Filed: July 13, 2007
    Publication date: October 22, 2009
    Applicants: Nippon Telegraph and Telephone Corporation, Pioneer Corporation, Hitachi, Ltd., Mitsubishi Chemical Corporation, Rohm Co., Ltd.
    Inventors: Hiroyuki Yano, Masaya Nogi, Shinsuke Ifuku, Kentarou Abe, Keishin Handa
  • Publication number: 20090123726
    Abstract: The present invention relates to a fiber-reinforced composite material and a method for manufacturing the same, and also relates to a transparent multilayered sheet, a circuit board, and an optical waveguide.
    Type: Application
    Filed: October 14, 2008
    Publication date: May 14, 2009
    Applicants: ROHM CO., LTD., MITSUBISHI CHEMICAL CORPORATION, HITACHI, LTD., PIONEER CORPORATION
    Inventors: Hiroyuki YANO, Junji Sugiyama, Masaya Nogi, Shin-ichiro Iwamoto, Keishin Handa, Akira Nagai, Takao Miwa, Yoshitaka Takezawa, Toshiyuki Miyadera, Takashi Kurihara, Tohru Matsuura, Nobutatsu Koshoubu, Tohru Maruno