Patents by Inventor Taku Kato
Taku Kato 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: 10899891Abstract: A polymerizable composition includes 100 parts by mass of a reactive polysiloxane being a polycondensation product of an alkoxy silicon compound including at least an alkoxy silicon compound of formula [1], and 10 to 500 parts by mass of a polymerizable compound having at least one polymerizable double bond. (X is a phenyl group having at least one substituent having a polymerizable double bond, a naphthyl group having at least one substituent having a polymerizable double bond, a biphenyl group having at least one substituent having a polymerizable double bond, or a phenanthryl group having at least one substituent having a polymerizable double bond, Ar1 is a condensed ring hydrocarbon group having two or more benzene ring structures, or a hydrocarbon ring assembly group in which two or more aromatic rings are directly bonded through a single bond, and R1 is methyl group, ethyl group, or isopropyl group).Type: GrantFiled: May 24, 2017Date of Patent: January 26, 2021Assignee: NISSAN CHEMICAL CORPORATIONInventors: Takehiro Nagasawa, Taku Kato, Keisuke Shuto
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Patent number: 10894800Abstract: A polymerizable silane compound that yields a cured product exhibiting a high refractive index and a low Abbe number, used in a polymerizable composition for preparing a molded article having higher transparency. A polysiloxane being a polycondensation product of the compound of formula [1]: (wherein X is a phenyl group having at least one substituent having a polymerizable double bond, a naphthyl group having at least one substituent having a polymerizable double bond, a biphenyl group having at least one substituent having a polymerizable double bond, or a phenanthryl group having at least one group having a polymerizable double bond, Ar1 is a condensed polycyclic hydrocarbon group (optionally substituted with a C1-6 alkyl group), or a hydrocarbon ring assembly group wherein two or more aromatic rings are directly bonded through a single bond (optionally substituted with a C1-6 alkyl group), and R1 is a methyl, ethyl, or isopropyl group).Type: GrantFiled: May 9, 2017Date of Patent: January 19, 2021Assignee: NISSAN CHEMICAL CORPORATIONInventors: Keisuke Shuto, Taku Kato, Takehiro Nagasawa
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Patent number: 10787535Abstract: A polymerizable composition which can be cured into a cured product exhibiting a low Abbe's number and is suitable for producing a molded article having a further high transparency. A polymerizable composition including 100 parts by mass of a reactive silsesquioxane compound containing a phenanthrene ring (a), and 10 to 500 parts by mass of a polymerizable compound having at least one polymerizable double bond (b), a cured product of the polymerizable composition, and a method for producing a molded article by using of the polymerizable composition.Type: GrantFiled: March 30, 2017Date of Patent: September 29, 2020Assignee: NISSAN CHEMICAL CORPORATIONInventors: Takehiro Nagasawa, Taku Kato, Keisuke Shuto
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Patent number: 10703863Abstract: There is provided a polymerizable composition suitable to produce a molded product in which high refractive index is maintained, and dimensional change and a transmittance change further caused by a high-temperature heat history can be suppressed. A polymerizable composition comprising (a) 100 parts by mass of a specific reactive silsesquioxane compound and (b) 10 to 2,000 parts by mass of a specific fluorene compound, and a cured product obtained by curing the polymerizable composition, and a resin lens manufactured from the polymerizable composition.Type: GrantFiled: September 1, 2016Date of Patent: July 7, 2020Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Kei Yasui, Takehiro Nagasawa, Taku Kato, Keisuke Shuto
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Patent number: 10676643Abstract: A coating film-forming composition includes a hydrolysis-condensation product of a hydrolyzable silane and fine inorganic particles subjected to a special dispersion treatment, that can be formed into a highly heat-resistant, highly transparent coating film capable of exhibiting a high refractive index and having a large thickness and excellent storage stability as a coating composition; and a process for producing the coating film-forming composition.Type: GrantFiled: March 27, 2017Date of Patent: June 9, 2020Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Taku Kato, Masayoshi Suzuki, Natsumi Murakami, Daiki Iijima, Tomoki Furukawa, Yoshinari Koyama
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Patent number: 10450418Abstract: A polymerizable composition suitable for producing a molded article that can maintain a high refractive index and a low Abbe's number and can be restrained from dimensional changes due to a high-temperature thermal history has (a) 100 parts by mass of a specific reactive silsesquioxane compound, (b) 10 to 500 parts by mass of a specific fluorene compound and (c) 1 to 100 parts by mass of a specific aromatic vinyl compound. A cured product can be obtained by curing the polymerizable composition.Type: GrantFiled: August 12, 2016Date of Patent: October 22, 2019Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Takehiro Nagasawa, Taku Kato, Kentaro Ohmori, Keisuke Shuto, Kenji Takase
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Patent number: 10431962Abstract: An ignition plug includes a metallic shell containing iron as a main component, carbon in an amount of 0.20 wt. % to 0.30 wt. %, manganese in an amount of 0.30 wt. % to 0.45 wt. %, and sulfur in an amount of 0.005 wt. % to 0.009 wt. %. The ratio of the manganese content (wt. %) to the sulfur content (wt. %); i.e., Mn/S is 40 to 65.Type: GrantFiled: July 10, 2017Date of Patent: October 1, 2019Assignee: NGK SPARK PLUG CO., LTD.Inventors: Taku Kato, Yohei Kozakai
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Publication number: 20190292324Abstract: A polymerizable composition suitable for producing a molded article that can maintain a high refractive index and a low Abbe's number and can be restrained from dimensional changes due to a high-temperature thermal history has (a) 100 parts by mass of a specific reactive silsesquioxane compound, (b) 10 to 500 parts by mass of a specific fluorene compound and (c) 1 to 100 parts by mass of a specific aromatic vinyl compound. A cured product can be obtained by curing the polymerizable composition.Type: ApplicationFiled: August 12, 2016Publication date: September 26, 2019Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Takehiro NAGASAWA, Taku KATO, Kentaro OHMORI, Keisuke SHUTO, Kenji TAKASE
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Publication number: 20190256533Abstract: A polymerizable silane compound that yields a cured product exhibiting a high refractive index and a low Abbe number, used in a polymerizable composition for preparing a molded article having higher transparency. A polysiloxane being a polycondensation product of the compound of formula [1]: (wherein X is a phenyl group having at least one substituent having a polymerizable double bond, a naphthyl group having at least one substituent having a polymerizable double bond, a biphenyl group having at least one substituent having a polymerizable double bond, or a phenanthryl group having at least one group having a polymerizable double bond, Ar1 is a condensed polycyclic hydrocarbon group (optionally substituted with a C1-6 alkyl group), or a hydrocarbon ring assembly group wherein two or more aromatic rings are directly bonded through a single bond (optionally substituted with a C1-6 alkyl group), and R1 is a methyl, ethyl, or isopropyl group).Type: ApplicationFiled: May 9, 2017Publication date: August 22, 2019Applicant: NISSAN CHEMICAL CORPORATIONInventors: Keisuke SHUTO, Taku KATO, Takehiro NAGASAWA
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Publication number: 20190256664Abstract: A polymerizable composition includes 100 parts by mass of a reactive polysiloxane being a polycondensation product of an alkoxy silicon compound including at least an alkoxy silicon compound of formula [1], and 10 to 500 parts by mass of a polymerizable compound having at least one polymerizable double bond. (X is a phenyl group having at least one substituent having a polymerizable double bond, a naphthyl group having at least one substituent having a polymerizable double bond, a biphenyl group having at least one substituent having a polymerizable double bond, or a phenanthryl group having at least one substituent having a polymerizable double bond, Ar1 is a condensed ring hydrocarbon group having two or more benzene ring structures, or a hydrocarbon ring assembly group in which two or more aromatic rings are directly bonded through a single bond, and R1 is methyl group, ethyl group, or isopropyl group).Type: ApplicationFiled: May 24, 2017Publication date: August 22, 2019Applicant: NISSAN CHEMICAL CORPORATIONInventors: Takehiro NAGASAWA, Taku KATO, Keisuke SHUTO
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Publication number: 20190237944Abstract: An ignition plug includes a metallic shell containing iron as a main component, carbon in an amount of 0.20 wt. % to 0.30 wt. %, manganese in an amount of 0.30 wt. % to 0.45 wt. %, and sulfur in an amount of 0.005 wt. % to 0.009 wt. %. The ratio of the manganese content (wt. %) to the sulfur content (wt. %); i.e., Mn/S is 40 to 65.Type: ApplicationFiled: July 10, 2017Publication date: August 1, 2019Applicant: NGK SPARK PLUG CO., LTD.Inventors: Taku KATO, Yohei KOZAKAI
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Patent number: 10361850Abstract: According to one embodiment, an authenticator which authenticates an authenticatee, which stores first key information (NKey) that is hidden, includes a memory configured to store second key information (HKey) which is hidden, a random number generation module configured to generate random number information, and a data generation module configured to generate a session key (SKey) by using the second key information (HKey) and the random number information. The authenticator is configured such that the second key information (HKey) is generated from the first key information (NKey) but the first key information (NKey) is not generated from the second key information (HKey).Type: GrantFiled: November 30, 2017Date of Patent: July 23, 2019Assignee: TOSHIBA MEMORY CORPORATIONInventors: Taku Kato, Tatsuyuki Matsushita, Yuji Nagai, Fangming Zhao
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Patent number: 10361851Abstract: According to one embodiment, an authenticator which authenticates an authenticatee, which stores first key information (NKey) that is hidden, includes a memory configured to store second key information (HKey) which is hidden, a random number generation module configured to generate random number information, and a data generation module configured to generate a session key (SKey) by using the second key information (HKey) and the random number information. The authenticator is configured such that the second key information (HKey) is generated from the first key information (NKey) but the first key information (NKey) is not generated from the second key information (HKey).Type: GrantFiled: March 27, 2018Date of Patent: July 23, 2019Assignee: TOSHIBA MEMORY CORPORATIONInventors: Taku Kato, Tatsuyuki Matsushita, Yuji Nagai, Fangming Zhao
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Patent number: 10351651Abstract: A imprint material is provided, and a film that is prepared from the material and to which the pattern is transferred. An imprint material including: (A), (B), (C) and (D) components; a ratio of the amount of the (B) component to a total amount of the (A) component and the (B) component of 100% by mass is 5% by mass or more and 25% by mass or less: (A) a silsesquioxane compound having a repeating unit of Formula (1) and having two or more polymerizable groups of X0 in Formula (1); (B) a silicone compound having a repeating unit of Formula (2) and having two polymerizable groups at ends thereof; (C) a photopolymerization initiator; and (D) a solvent wherein the formulae, R1 and R2 are each independently a C1-3 alkyl group; R0 is a C1-3 alkylene group; and k is an integer of 0 to 3.Type: GrantFiled: October 6, 2014Date of Patent: July 16, 2019Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Junpei Kobayashi, Taku Kato, Keisuke Shuto, Masayoshi Suzuki
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Patent number: 10331030Abstract: A novel imprint material and film produced from the material, on which a pattern is transferred. An imprint material having: a component (A); a component (B); a component (C); and a component (D), wherein, (A): a compound of Formula (1), Formula (2), or Formula (3): wherein, X is C1-5 linear alkylene, R1 is H or CH3; each of R2, R3, and R4 is independently H, CH3, or C2H5; and the sum of the number of carbon atoms on R2, R3, and R4 is 0 to 2; (B): a silsesquioxane compound having a repeating unit of Formula (4), and having two or more polymerizable groups of Y; (C): a silicone compound having a repeating unit of Formula (5), and having two polymerizable groups on its ends: wherein, each of R6 and R7 is independently C1-3 alkyl; R5 is C1-3 alkylene; and k is 0 to 3; and (D): photopolymerization initiator.Type: GrantFiled: July 24, 2015Date of Patent: June 25, 2019Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Junpei Kobayashi, Taku Kato, Keisuke Shuto, Masayoshi Suzuki
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Publication number: 20190169345Abstract: A polymerizable composition which can be cured into a cured product exhibiting a low Abbe's number and is suitable for producing a molded article having a further high transparency. A polymerizable composition including 100 parts by mass of a reactive silsesquioxane compound containing a phenathrene ring (a), and 10 to 500 parts by mass of a polymerizable compound having at least one polymerizable double bond (b), a cured product of the polymerizable composition, and a method for producing a molded article by using of the polymerizable composition.Type: ApplicationFiled: March 30, 2017Publication date: June 6, 2019Applicant: NISSAN CHEMICAL CORPORATIONInventors: Takehiro NAGASAWA, Taku KATO, Keisuke SHUTO
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Publication number: 20190144707Abstract: A coating film-forming composition includes a hydrolysis-condensation product of a hydrolyzable silane and fine inorganic particles subjected to a special dispersion treatment, that can be formed into a highly heat-resistant, highly transparent coating film capable of exhibiting a high refractive index and having a large thickness and excellent storage stability as a coating composition; and a process for producing the coating film-forming composition.Type: ApplicationFiled: March 27, 2017Publication date: May 16, 2019Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Taku KATO, Masayoshi SUZUKI, Natsumi MURAKAMI, Daiki IIJIMA, Tomoki FURUKAWA, Yoshinari KOYAMA
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Patent number: 10229547Abstract: An in-vehicle gateway device according to an embodiment includes a storage unit, a plurality of internal communication processors, a routing processor and a storage controller. The storage unit stores therein data output by an electronic control unit included in the in-vehicle system. The internal communication processors include an internal communication processor to which at least one electronic control unit is connected. The routing processor transfers data among the internal communication processors and outputs at least a part of the transferred data to the storage unit in a form capable of being stored in the storage unit. The storage controller manipulates or filters, in accordance with a certain rule, at least one of the data to store in the storage unit and the data output from the storage unit.Type: GrantFiled: February 17, 2017Date of Patent: March 12, 2019Assignee: Kabushiki Kaisha ToshibaInventors: Hiroshi Isozaki, Taku Kato, Jun Kanai, Naoko Yamada, Kentaro Umesawa
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Publication number: 20180371136Abstract: A novel imprint material including: (A) a compound of formula (1); (B) a compound of formula (2); (C) a compound of formula (3); (D) a compound of formula (4); and (E) a photopolymerization initiator: wherein each R1 is independently a hydrogen atom or methyl group; R2 is a divalent or trivalent hydrocarbon group; j is 0 or 1; k is 2 or 3; X is a divalent linking group having an ethylene oxide and/or a propylene oxide unit; R3 is a hydrogen atom or alkyl group; m is 1 or 2; R5 is a trivalent, tetravalent, pentavalent, or hexavalent organic group, which optionally has at least one hetero atom; n is an integer from 3 to 6; where m is 1, R4 is an alkyl group optionally substituted with at least one substituent; and where m is 2, R4 is an alkylene group optionally substituted with at least one substituent.Type: ApplicationFiled: December 16, 2016Publication date: December 27, 2018Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Junpei KOBAYASHI, Keisuke SHUTO, Taku KATO, Masayoshi SUZUKI
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Publication number: 20180327787Abstract: An object of the present invention is to provide a sucrose unassimilating yeast which has a flocculation ability and has much of a proven performance of food production. The present invention pertains to a yeast strain expressed by accession number: NITE BP-1587.Type: ApplicationFiled: June 26, 2018Publication date: November 15, 2018Applicant: ASAHI GROUP HOLDINGS, LTD.Inventors: Takayuki MASUDA, Taku KATO