Patents by Inventor Hiromichi Hayashi
Hiromichi Hayashi 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: 12139628Abstract: The electroconductive inkjet ink disclosed herein contains at least inorganic powder containing high melting point metal particles, a dispersant, an organic solvent, and a poly(vinyl acetal) resin. In the electroconductive ink, the inorganic powder has an average primary particle diameter of 500 nm or less, a volume ratio of the inorganic powder is 7.5% by volume or lower, the ratio (SI/VD) of the specific surface area of the inorganic powder with respect to the volume of the dispersant is 0.25 or higher and 10 or lower, the poly(vinyl acetal) resin has an average molecular weight of 2.5×104 or larger and 6.4×104 or smaller, and the ratio (WPA/WS) of the weight of the poly(vinyl acetal) resin with respect to the weight of the organic solvent is 0.5% by weight or higher and 3% by weight or lower.Type: GrantFiled: February 19, 2020Date of Patent: November 12, 2024Assignee: NORITAKE CO., LIMITEDInventors: Hiromichi Hayashi, Ayumi Murakami
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Patent number: 11674043Abstract: The present invention provides a red paint for ceramic decoration, including a glass matrix, and a red colorant and a protective material that are intermingled in the glass matrix. The red colorant contains gold nanoparticles and silver nanoparticles. The protective material contains silica nanoparticles.Type: GrantFiled: August 26, 2021Date of Patent: June 13, 2023Assignee: NORITAKE CO., LIMI TEDInventors: Hiromichi Hayashi, Jun Shiota, Tomoshi Kumazawa
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Publication number: 20220089893Abstract: Inkjet ink disclosed herein, usable for at least a transfer sheet suitable for an inorganic substrate, contains an inorganic solid content and a photocurable monomer component. The monomer component contains at least a monofunctional acrylate-based monomer, a monofunctional N-vinyl compound monomer, and a polyfunctional vinylether-based monomer. With respect to 100% by mass as the total weight of the monomer component, the monofunctional acrylate-based monomer is contained at a weight ratio of 40% by mass to 96% by mass, the monofunctional N-vinyl compound monomer is contained at a weight ratio of 2% by mass to 20% by mass, and the polyfunctional vinylether-based monomer is contained at a weight ratio of 2% by mass to 40% by mass.Type: ApplicationFiled: December 27, 2019Publication date: March 24, 2022Inventors: Tomoshi Kumazawa, Hiromichi Hayashi, Yuuki Arakawa
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Publication number: 20220056297Abstract: The electroconductive inkjet ink disclosed herein contains at least inorganic powder containing high melting point metal particles, a dispersant, an organic solvent, and a poly(vinyl acetal) resin. In the electroconductive ink, the inorganic powder has an average primary particle diameter of 500 nm or less, a volume ratio of the inorganic powder is 7.5% by volume or lower, the ratio (SI/VD) of the specific surface area of the inorganic powder with respect to the volume of the dispersant is 0.25 or higher and 10 or lower, the poly(vinyl acetal) resin has an average molecular weight of 2.5×104 or larger and 6.4×104 or smaller, and the ratio (WPA/WS) of the weight of the poly(vinyl acetal) resin with respect to the weight of the organic solvent is 0.5% by weight or higher and 3% by weight or lower.Type: ApplicationFiled: February 19, 2020Publication date: February 24, 2022Inventors: Hiromichi Hayashi, Ayumi Murakami
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Publication number: 20220017761Abstract: The inkjet ink disclosed herein includes an inorganic solid portion including an inorganic pigment and glass and a monomer component having a photocurability. The ink is configured such that a volume of the inorganic solid portion when a total volume of the inkjet ink is 100 vol % is 30 vol % or less, and a volume of the glass when the total volume of the inorganic solid portion is 100 vol % is 78 vol % or more.Type: ApplicationFiled: December 27, 2019Publication date: January 20, 2022Inventors: Tomoshi Kumazawa, Hiromichi Hayashi, Yuuki Arakawa
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Publication number: 20210388214Abstract: The present invention provides a red paint for ceramic decoration, including a glass matrix, and a red colorant and a protective material that are intermingled in the glass matrix. The red colorant contains gold nanoparticles and silver nanoparticles. The protective material contains silica nanoparticles.Type: ApplicationFiled: August 26, 2021Publication date: December 16, 2021Inventors: Hiromichi Hayashi, Jun Shiota, Tomoshi Kumazawa
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Patent number: 11130872Abstract: The present invention provides a red paint for ceramic decoration, including a glass matrix, and a red colorant and a protective material that are intermingled in the glass matrix. The red colorant contains gold nanoparticles and silver nanoparticles. The protective material contains silica nanoparticles.Type: GrantFiled: March 17, 2017Date of Patent: September 28, 2021Assignee: Noritake Co., LimitedInventors: Hiromichi Hayashi, Jun Shiota, Tomoshi Kumazawa
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Patent number: 11130875Abstract: The present invention provides an inkjet ink for a ceramic substrate, the inkjet ink making it possible to prevent a printed layer from peeling away after firing and allowing a desired image to be better fixed on a ceramic substrate. In the inkjet ink for a ceramic substrate disclosed here, the proportion of a monofunctional monomer in a monomer component is at least 90 mass %, the volume ratio of an inorganic solid relative to the total volume of the inkjet ink is 10 vol % to 20 vol %, and the ratio of the content of an N-vinyl compound to that of the monomer component (N-vinyl compound/monomer component) in the inkjet ink is 0.05 to 0.8 in terms of mass.Type: GrantFiled: August 7, 2018Date of Patent: September 28, 2021Inventors: Hiromichi Hayashi, Tomoshi Kumazawa
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Patent number: 11034140Abstract: Disclosed herein is a coating agent containing a synthetic organically-modified clay comprising a synthetic clay and an organic modification agent, a resin, and an organic solvent, wherein the organic solvent is contained in an amount within the range of 5-70 parts by weight with respect to 30 parts by weight of the resin, and contains at least two selected from the group consisting of toluene, xylene, and ethylbenzene; a protective film using the same; and a product provided with the protective film.Type: GrantFiled: November 17, 2016Date of Patent: June 15, 2021Assignees: National Institute of Advanced Industrial Science and Technology, Kunimine Industries Co., Ltd.Inventors: Takeo Ebina, Ryo Ishii, Hiromichi Hayashi, Yoshito Wakui, Emiko Tomon, Yasuhiro Saura, Midori Saura, Yasukatu Matukawa, Shinsuke Kimura
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Patent number: 10858580Abstract: An object is to provide a method of manufacturing luminescent nanocarbon with which the luminescent nanocarbon can be efficiently manufactured in large amounts. This method is to manufacture luminescent nanocarbon (Product) from a raw material aqueous solution that contains a carbon source compound and a nitrogen source compound. This method includes a reaction step of heating the raw material aqueous solution from a storage container (Reservoir) in a heating section (Furnace) to react the raw material aqueous solution at a reaction temperature of 100° C. or higher and 500° C. or lower and a cooling step of cooling a reaction solution that contains a reaction product generated in the reaction step. The cooling step is carried out in a bath (Ice bath).Type: GrantFiled: August 24, 2016Date of Patent: December 8, 2020Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Yusuke Hiejima, Hiromichi Hayashi, Mitsuhiro Kanakubo
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Publication number: 20200199389Abstract: The present invention provides an inkjet ink for a ceramic substrate, the inkjet ink making it possible to prevent a printed layer from peeling away after firing and allowing a desired image to be better fixed on a ceramic substrate. In the inkjet ink for a ceramic substrate disclosed here, the proportion of a monofunctional monomer in a monomer component is at least 90 mass %, the volume ratio of an inorganic solid relative to the total volume of the inkjet ink is 10 vol % to 20 vol %, and the ratio of the content of an N-vinyl compound to that of the monomer component (N-vinyl compound/monomer component) in the inkjet ink is 0.05 to 0.8 in terms of mass.Type: ApplicationFiled: August 7, 2018Publication date: June 25, 2020Inventors: Hiromichi Hayashi, Tomoshi Kumazawa
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Publication number: 20190112490Abstract: The present invention provides a red paint for ceramic decoration, including a glass matrix, and a red colorant and a protective material that are intermingled in the glass matrix. The red colorant contains gold nanoparticles and silver nanoparticles. The protective material contains silica nanoparticles.Type: ApplicationFiled: March 17, 2017Publication date: April 18, 2019Inventors: Hiromichi HAYASHI, Jun SHIOTA, Tomoshi KUMAZAWA
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Publication number: 20180326707Abstract: The present invention addresses the problem of providing: a coating agent which is capable of tightly adhering to the surface of lacquerware with sufficient strength by a low-temperature treatment, has hard coat properties and resistance to washing by a dishwasher and the like, is transparent, and has ultraviolet resistance and ultraviolet blocking properties; a protective film using the same; and a product provided with the protective film. The present invention pertains to: a coating agent containing a synthetic or—ganically-modified clay comprising a synthetic clay and an organic modification agent, a resin, and an organic solvent, wherein the organic solvent is contained in an amount within the range of 5-70 parts by weight with respect to 30 parts by weight of the resin, and contains at least two selected from the group consisting of toluene, xylene, and ethylbenzene; a protective film using the same; and a product provided with the protective film.Type: ApplicationFiled: November 17, 2016Publication date: November 15, 2018Inventors: Takeo Ebina, Ryo Ishii, Hiromichi Hayashi, Yoshito Wakui, Emiko Tomon, Yasuhiro Saura, Midori Saura, Yasukatu Matukawa, Shinsuke Kimura
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Publication number: 20180244991Abstract: An object is to provide a method of manufacturing luminescent nanocarbon with which the luminescent nanocarbon can be efficiently manufactured in large amounts. This method is to manufacture luminescent nanocarbon (Product) from a raw material aqueous solution that contains a carbon source compound and a nitrogen source compound. This method includes a reaction step of heating the raw material aqueous solution from a storage container (Reservoir) in a heating section (Furnace) to react the raw material aqueous solution at a reaction temperature of 100° C. or higher and 500° C. or lower and a cooling step of cooling a reaction solution that contains a reaction product generated in the reaction step. The cooling step is carried out in a bath (Ice bath).Type: ApplicationFiled: August 24, 2016Publication date: August 30, 2018Inventors: Yusuke HIEJIMA, Hiromichi HAYASHI, Mitsuhiro KANAKUBO
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Publication number: 20170047267Abstract: The present invention provides a heat dissipation film having high mechanical strength and flexibility, which is obtained by laminating a heat emission layer excellent in heat dissipation by infrared radiation, electrical insulation, and heat resistance on a metal film having excellent heat transfer efficiency. The present invention also provides a dispersion for heat emission layers for use in the production of the heat dissipation film, a method for producing a heat dissipation film using the dispersion for heat emission layers, and a solar cell including the heat dissipation film.Type: ApplicationFiled: April 16, 2014Publication date: February 16, 2017Applicants: SUMITOMO SEIKA CHEMICALS CO., LTD., National Institute of Advanced Industrial Science and Technology, CERAMISSION CO., LTD.Inventors: Yuki UMEDA, Seiji BANDO, Kazunori KAWASAKI, Toshihiko KATO, Takeo EBINA, Hiromichi HAYASHI, Takashi NAKAMURA, Akira OHTA, Takashi NAITO
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Publication number: 20140251426Abstract: An object of the present invention is to provide a water vapor barrier film having good flexibility, good moisture resistance, and high mechanical strength. A further object of the present invention is to provide a dispersion for water vapor barrier films which is intended to be used to produce the water vapor barrier film, a method for producing the water vapor barrier film, a solar cell back sheet incorporating the water vapor barrier film, and a solar cell incorporating the water vapor barrier film or the solar cell back sheet. The present invention provided a water vapor barrier film containing: phyllosilicate mineral; and a synthetic resin, wherein the phyllosilicate mineral includes a non-swelling clay mineral and a swelling clay mineral, the phyllosilicate mineral is present in an amount of not less than 30% by weight and not more than 90% by weight of the total weight of the water vapor barrier film, and the water vapor barrier film has a water vapor permeability, measured at 40° C.Type: ApplicationFiled: August 21, 2012Publication date: September 11, 2014Applicant: SUMITOMO SEIKA CHEMICALS CO., LTD.Inventors: Seiji Bando, Daisuke Misho, Kazunori Kawasaki, Takeo Ebina, Hiromichi Hayashi, Takashi Nakamura, Manabu Yoshida
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Publication number: 20140154490Abstract: The present invention aims to provide a non-combustible film having excellent flexibility, excellent moisture resistance, and high mechanical strength. The present invention also aims to provide a dispersion liquid for non-combustible films which is used in production of the non-combustible film, a method for producing a non-combustible film using the above dispersion, and a solar cell back sheet and a flexible board each of which is formed from the above non-combustible film. The present invention further aims to provide a solar cell including the solar cell back sheet. The non-combustible film of the present invention includes a water-insoluble inorganic compound and a heat-resistant synthetic resin, the water-insoluble inorganic compound constituting from 30% by weight to 90% by weight inclusive of the total weight of the non-combustible film, the film exhibiting a flammability of VTM-0 in the UL-94 VTM test.Type: ApplicationFiled: June 7, 2012Publication date: June 5, 2014Applicants: SUMITOMO SEIKA CHEMICALS CO., LTD., Tokyo University of Science Educational Foundation Administrative Organization, National Institute of Advanced Industrial Science and TechnologyInventors: Seiji Bando, Noriyuki Hayashizaka, Yuki Umeda, Kazunori Kawasaki, Takeo Ebina, Hiromichi Hayashi, Manabu Yoshida, Takashi Yamashita
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Patent number: 7534332Abstract: A process for manufacturing a gas sensor, the gas sensor including a gas detecting element, cylindrical metal shell, and cylindrical protector as defined herein, the process comprising: applying a lubricant to an outer circumference of a leading end portion of the metal shell; assembling the metal shell having the lubricant applied thereto and the protector, so that a fitting portion, in which the leading end portion of the metal shell and the protector fit on each other, and a space-forming portion, in which the leading end portion of the metal shell and the protector overlap each other through an annular space, are formed along an axial direction; and welding the metal shell and the protector by forming a welded portion extending from an outer circumference of the protector through the annular space.Type: GrantFiled: March 8, 2005Date of Patent: May 19, 2009Assignee: NGK Spark Plug Co., Ltd.Inventors: Masataka Taguchi, Yasuhiro Fujita, Hiromichi Hayashi
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Publication number: 20050198810Abstract: A process for manufacturing a gas sensor, the gas sensor including a gas detecting element, cylindrical metal shell, and cylindrical protector as defined herein, the process comprising: applying a lubricant to an outer circumference of a leading end portion of the metal shell; assembling the metal shell having the lubricant applied thereto and the protector, so that a fitting portion, in which the leading end portion of the metal shell and the protector fit on each other, and a space-forming portion, in which the leading end portion of the metal shell and the protector overlap each other through an annular space, are formed along an axial direction; and welding the metal shell and the protector by forming a welded portion extending from an outer circumference of the protector through the annular space.Type: ApplicationFiled: March 8, 2005Publication date: September 15, 2005Inventors: Masataka Taguchi, Yasuhiro Fujita, Hiromichi Hayashi
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Patent number: 6893725Abstract: To provide a decorative porcelain having a superior stereoscopic feeling and a transcription sheet. An in-glaze decoration piled decorative porcelain having a piled coloring material layer obtained on in-glaze painting on a glazing layer formed on a surface of a porcelain substrate layer, using a pile coloring material including an inorganic pigment and a glass flux. The in-glaze decoration piled decorative porcelain includes a glass layer of glass with a glass transition temperature of 450° C. to 550° C. between the glazing layer and the piled coloring material layer, with the glass transition temperature of glass flux in the piled coloring material being 550° C. to 700° C.Type: GrantFiled: June 28, 2001Date of Patent: May 17, 2005Assignee: Noritake Co., LimitedInventors: Hiromichi Hayashi, Takuya Kawamura