Patents by Inventor Shogo Tomiyama
Shogo Tomiyama 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: 11883702Abstract: The present invention provides a foam fire extinguishing agent that can fulfill predetermined performances without containing any fluorine-based compounds. The foam fire extinguishing agent of die present invention is characterized by containing 0.2 to 3.0% by mass of cationic surfactant, 0.2 to 5.0 by mass of anionic surfactant and water for a total of 100% by mass.Type: GrantFiled: February 3, 2021Date of Patent: January 30, 2024Assignee: YAMATO PROTEC CORPORATIONInventors: Wataru Kobayashi, Yuki Takatsuka, Shogo Tomiyama
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Publication number: 20230285789Abstract: An object of the present invention is to provide a foam fire extinguishing agent that does not contain a fluorine compound and can satisfy predetermined performance. The foam fire extinguishing agent in accordance with the present invention is characterized by comprising 0.1 to 2% by mass of a phosphorus-containing compound, and 1 to 10% by mass of a cationic polymer.Type: ApplicationFiled: June 11, 2021Publication date: September 14, 2023Applicant: YAMATO PROTEC CORPORATIONInventors: Wataru Kobayashi, Yuki Takatsuka, Shogo Tomiyama
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Publication number: 20230072183Abstract: The present invention discloses a fire extinguishing sheet which is used in places, facilities, devices, tools, structures and the like where a fire may break out, and which makes initial fire extinguishing possible. This fire extinguishing sheet contains at least a potassium compound as a fire extinguishing chemical that is thermally decomposed upon reaching a predetermined temperature and generates a fire extinguishing component; and this fire extinguishing sheet is arranged in places, facilities, devices, tools, structures and the like where a fire may break out. If a fire breaks out, aerosols containing potassium radicals (a potassium compound) are generated from the fire extinguishing sheet, and the chain of combustion is interrupted by a negative catalytic effect, thereby quickly extinguishing or suppressing the fire.Type: ApplicationFiled: January 21, 2021Publication date: March 9, 2023Inventors: Shogo TOMIYAMA, Akimasa TSUTSUMI
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Publication number: 20230070948Abstract: The present invention provides a foam fire extinguishing agent that can fulfill predetermined performances without containing any fluorine-based compounds. The foam fire extinguishing agent of die present invention is characterized by containing 0.2 to 3.0% by mass of cationic surfactant, 0.2 to 5.0 by mass of anionic surfactant and water for a total of 100% by mass.Type: ApplicationFiled: February 3, 2021Publication date: March 9, 2023Applicant: YAMATO PROTEC CORPORATIONInventors: Wataru Kobayashi, Yuki Takatsuka, Shogo Tomiyama
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Publication number: 20230050941Abstract: The present invention provides a fire extinguishing sheet suitable for productivity, mass production, and large-scale production, wherein the fire extinguishing sheet can be used in places, facilities, structures, etc., where a fire may occur, and has an initial fire extinguishing function. The fire extinguishing sheet according to the present invention contains a fire extinguishing agent that when a predetermined temperature is reached, thermally decomposes to generate a fire extinguishing component.Type: ApplicationFiled: January 21, 2021Publication date: February 16, 2023Applicant: YAMATO PROTEC CORPORATIONInventors: Shogo Tomiyama, Akimasa Tsutsumi
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Publication number: 20210331013Abstract: The present invention provides a fire extinguisher capable of easily installing a thinly molded fire extinguishing agent. A fire extinguisher of the present invention comprises a fire extinguishing agent layer that generates aerosol by combustion, a first plate covering a first surface of the fire extinguishing agent layer and having a blowout aperture for the aerosol, and a second plate covering a second surface of the fire extinguishing agent layer, which is opposite to the first surface. An edge of the first plate and an edge of the second plate may be connected to each other. And, a peripheral wall extending toward the second plate may be provided at the edge of the first plate.Type: ApplicationFiled: September 2, 2019Publication date: October 28, 2021Applicant: YAMATO PROTEC CORPORATIONInventors: Shogo Tomiyama, Tatsuki Endo, Wataru Kobayashi
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Patent number: 9174888Abstract: A gas generating composition exhibiting good slag forming ability is provided. The gas generating composition includes a fuel ranging from 10 to 60% by mass, an oxidizing agent ranging from 10 to 70% by mass, and a cooling agent (other than iron oxide) ranging from 1 to 20% by mass. The cooling agent has a volume mean diameter (D50) of 10 to 70 ?m and a volume mean diameter at cumulative of 10% (D10) of equal to or greater than 5 ?m. The cooling agent acts to decrease the combustion temperature and improve slag forming ability.Type: GrantFiled: April 8, 2009Date of Patent: November 3, 2015Assignee: DAICEL CHEMICAL INDUSTRIES, LTD.Inventors: Jianzhou Wu, Shogo Tomiyama, Yoji Fujisaki
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Publication number: 20120261040Abstract: There is provided a gas-generating agent composition having a very small pressure exponent and an extremely low pressure dependence of the burning rate. The gas-generating agent composition of the present invention contains a nitrogen-containing organic compound as a fuel and ammonium nitrate as an oxidizing agent, wherein the ratio of the nitrogen-containing organic compound to the ammonium nitrate (the former/the latter: weight ratio) is 35/65 or less. In the gas-generating agent composition, a copper compound may be further blended in a proportion of more than 0 part by weight and 30 parts by weight or less based on 100 parts by weight of the total amount of the nitrogen-containing organic compound and ammonium nitrate. The copper compound is preferably basic copper nitrate. Further, the nitrogen-containing organic compound is preferably a guanidine derivative, particularly preferably a guanidine nitrate.Type: ApplicationFiled: November 19, 2010Publication date: October 18, 2012Applicants: DAICEL CORPORATION, THE UNIVERSITY OF TOKYOInventors: Mitsuru Arai, Yusuke Wada, Shogo Tomiyama, Yasunori Iwai, Shingo Oda
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Patent number: 8114228Abstract: The present invention provides a liquid gas generating composition comprising the following (a) to (c) components, wherein the content ratio of (b) component is 0.5 mass % or more and less than 5.0 mass %: (a) hydroxyammonium nitrate; (b) a thickening stabilizer; and (c) water.Type: GrantFiled: December 11, 2007Date of Patent: February 14, 2012Assignees: Daicel Chemical Industries, Ltd., Japan Aerospace Exploration AgencyInventors: Keiichi Hori, Toshiyuki Katsumi, Shogo Tomiyama, Syouji Kobayashi, Ko Murakami
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Patent number: 8034133Abstract: There is provided a gas generating composition having a low combustion temperature and a high burning rate. The gas generating composition comprises fuel and an oxidizing agent, and as necessary a binder and additives, the gas generating composition comprising at least one selected from the group consisting of glycine and a derivative thereof as the fuel. A combination of glycine as the fuel, basic copper nitrate as the oxidizing agent, and carboxymethyl cellulose or a salt thereof as the binder is preferable.Type: GrantFiled: May 26, 2005Date of Patent: October 11, 2011Assignee: Daicel Chemical Industries, Ltd.Inventor: Shogo Tomiyama
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Patent number: 7942990Abstract: The present invention provides a hybrid inflator including: a pressurized gas and a solid gas generating agent that generates a combustion gas as a gas source, the solid gas generating agent including at least an oxidizing agent and a binder, the pressurized gas including 15 mol % or more of oxygen.Type: GrantFiled: December 17, 2007Date of Patent: May 17, 2011Assignee: Daicel Chemical Industries, Ltd.Inventors: Kenji Kitayama, Shogo Tomiyama, Masayuki Nakayasu
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Patent number: 7887650Abstract: The present invention provides a gas generating composition comprising a fuel and an oxidizing agent and further a copper powder.Type: GrantFiled: March 1, 2007Date of Patent: February 15, 2011Assignee: Daicel Chemical Industries, Ltd.Inventors: Kenji Kitayama, Shogo Tomiyama
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Publication number: 20110030858Abstract: A gas generating composition exhibiting good slag forming ability is provided. The gas generating composition includes a fuel ranging from 10 to 60% by mass, an oxidizing agent ranging from 10 to 70% by mass, and a cooling agent (other than iron oxide) ranging from 1 to 20% by mass. The cooling agent has a volume mean diameter (D50) of 10 to 70 ?m and a volume mean diameter at cumulative of 10% (D10) of equal to or greater than 5 ?m. The cooling agent acts to decrease the combustion temperature and improve slag forming ability.Type: ApplicationFiled: April 8, 2009Publication date: February 10, 2011Inventors: Jianzhou Wu, Shogo Tomiyama, Yoji Fujisaki
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Patent number: 7833365Abstract: The present invention provides a gas generating composition comprising a light rare earth compound.Type: GrantFiled: January 26, 2007Date of Patent: November 16, 2010Assignee: Daicel Chemical Industries, Ltd.Inventors: Kenji Kitayama, Shogo Tomiyama
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Patent number: 7811397Abstract: A highly heat-resistant gas generating agent is provided. The gas generating agent is for a gas generator for an airbag system that is installed at least outside a vehicle cabin and that protects an individual subjected to impact by the vehicle, and has a mass loss rate of not more than 1% after holding for 400 hours at 130° C. in a sealed system. The gas generating agent preferably comprises fuel and oxidizing agent and the melting point of the fuel is preferably at least 250° C.Type: GrantFiled: August 30, 2005Date of Patent: October 12, 2010Assignee: Daicel Chemical Industries, Ltd.Inventors: Shogo Tomiyama, Jianzhou Wu
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Patent number: 7748975Abstract: The present invention relates to a molding die for molding a hollow molding article, including: a pin plate having an inflow port for molding material, a tubular bushing forming a molding path continued from the inflow port, an outlet of the die positioned in the extending direction of the molding path, a conical pin provided perpendicularly to the pin plate and disposed inside the molding path, a gap, that is continuous in the longitudinal direction, being provided between an inner wall surface of the molding path and an outer surface of the conical pin, an adjusting device for adjusting a width of a standard annular gap when a gap formed between a specified position in the longitudinal direction of the molding path and the outer surface of the conical pin opposing to the position.Type: GrantFiled: August 15, 2007Date of Patent: July 6, 2010Assignee: Daicel Chemical Industries, Ltd.Inventors: Kenji Kitayama, Nobuyuki Ohji, Shogo Tomiyama
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Publication number: 20100078098Abstract: To provide a gas generating composition for air bag which is low in toxicity, large in burning rate, and low in combustion temperature. Gas generating compositions comprising (a) melamine cyanurate or a mixture of melamine cyanurate and nitrogen-containing organic compound and (b) oxygen-containing oxidant, and gas generating compositions comprising (c) binder and (d) additive are provided.Type: ApplicationFiled: April 22, 2009Publication date: April 1, 2010Applicant: DAICEL CHEMICAL INDUSTRIES, LTD.Inventors: Jianzhou WU, Shogo Tomiyama
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Patent number: 7637533Abstract: A gas generator includes: a housing having a gas discharge port; a molded article of gas generating composition disposed within the housing and generating gas on combustion, the molded article of the gas generating composition having a single or plural combustion starting end surfaces where ignition and combustion is started by the ignition means; ignition means provided within the housing and igniting and burning the molded article of the gas generating composition; and the ignition means being a surface heating element which is in contact with the combustion starting end surface.Type: GrantFiled: January 24, 2007Date of Patent: December 29, 2009Assignee: Daicel Chemical Industries, Ltd.Inventors: Masayuki Yamazaki, Shogo Tomiyama
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Patent number: 7462342Abstract: A process in which a basic metal nitrate is obtained in a high yield is provided. A process for producing a basic metal nitrate, which comprises adding an aqueous solution of a metal nitrate or an aqueous solution of a mixture of a metal nitrate and a water-soluble additive and an alkali solution to a reaction vessel in which a reaction solvent whose pH at 20° C. is adjusted to 6 or less is present, and conducting the reaction with stirring.Type: GrantFiled: March 27, 2002Date of Patent: December 9, 2008Assignee: Daicel Chemical Industries, Ltd.Inventors: Shogo Tomiyama, Xingxi Zhou
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Publication number: 20080178975Abstract: The present invention provides a liquid gas generating composition comprising the following (a) to (c) components, wherein the content ratio of (b) component is 0.5 mass % or more and less than 5.0 mass %: (a) hydroxyammonium nitrate; (b) a thickening stabilizer; and (c) water.Type: ApplicationFiled: December 11, 2007Publication date: July 31, 2008Applicants: DAICEL CHEMICAL INDUSTRIES, LTD., JAPAN AEROSPACE EXPLORATION AGENCYInventors: Keiichi Hori, Toshiyuki Katsumi, Shogo Tomiyama, Syouji Kobayashi, Ko Murakami