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: 9540360Abstract: Sulfonamide compounds having TRPM8 antagonistic activity are provided. A sulfonamide compound of formula (I) or a pharmaceutically acceptable salt thereof, or a prodrug thereof: wherein Ring A is bicyclic aromatic heterocycle comprised of (a) pyridine is condensed with benzene; or (b) pyridine is condensed with monocyclic aromatic heterocycle, and Ring A binds to a sulfonylamino moiety on a carbon atom adjacent to a nitrogen atom of the pyridine ring constituting Ring A, Ring B is (a) monocyclic or bicyclic aromatic hydrocarbon; (b) monocyclic or bicyclic alicyclic hydrocarbon; (c) monocyclic or bicyclic aromatic heterocycle; or (d) monocyclic or bicyclic non-aromatic heterocycle, Ring C is (a) benzene; or (b) monocyclic aromatic heterocycle, and other symbols are the same as defined in the specification.Type: GrantFiled: February 12, 2015Date of Patent: January 10, 2017Assignee: MITSUBISHI TANABE PHARMA CORPORATIONInventors: Yasuyuki Tsuzuki, Daisuke Sawamoto, Toshiaki Sakamoto, Taku Kato, Yasuki Niwa, Nobumasa Awai
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Patent number: 9544138Abstract: According to one embodiment, an authentication method between an authenticatee which stores key information having a data structure composed of a key transition record, secret information XY of a matrix form, and secret information XYE which is created by encrypting the secret information XY, and an authenticator which authenticates the authenticatee, includes selecting, by the authenticator, a record corresponding to a device index of the authenticator from the key information which is received from the authenticatee, and decrypting the record by a device key, thereby taking out a key transition, and executing, by the authenticator, a decryption process on the secret information XYE, which is received from the authenticatee, by using the corresponding key transition, and sharing the secret information XY.Type: GrantFiled: February 17, 2012Date of Patent: January 10, 2017Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yuji Nagai, Taku Kato, Tatsuyuki Matsushita
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Patent number: 9533467Abstract: There is provided an imprint material that allows a resin film to be readily released from a mold at the time of mold release after curing, that is, an imprint material that forms a film having a low mold release property as well as high transparency, high scratch resistance, and a high fingerprint wiping-off property; and a film which is formed from the material and to which a pattern is transferred. An imprint material including: a (A) component: a compound having a propylene oxide unit and two polymerizable groups or a compound having a propylene oxide unit, an ethylene oxide unit, and two polymerizable groups; a (B) component: a silicone compound; and a (C) component: a photopolymerization initiator.Type: GrantFiled: April 16, 2013Date of Patent: January 3, 2017Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Junpei Kobayashi, Taku Kato, Keisuke Shuto, Masayoshi Suzuki
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Patent number: 9534144Abstract: A film-forming composition including a triazine ring-containing hyperbranched polymer with a repeating unit structure indicated by formula (1), and inorganic micro particles is provided. This enables the provision of a film-forming composition capable of hybridizing without reducing dispersion of the inorganic micro particles in a dispersion fluid, capable of depositing a coating film with a high refractive index, and suitable for electronic device film formation. In the formula, R and R? are mutually independent and indicate a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, or an aralkyl group, and Ar indicates a divalent organic group including either an aromatic ring or a heterocyclic ring, or both.Type: GrantFiled: June 30, 2015Date of Patent: January 3, 2017Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Taku Kato, Natsumi Murakami, Yoshinari Koyama, Naoya Nishimura, Masaaki Ozawa
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Patent number: 9523020Abstract: A flattening film forming composition for a hard disk that can prevent a magnetic material from migrating to the nonmagnetic layer, including a photopolymerizable coating material containing at least one polymer selected from a homopolymer that has a divinyl aromatic compound-derived unit structure and a copolymer having the unit structure or containing a mixture of the polymer and a photopolymerizable compound. The photopolymerizable compound may include an acrylate group, a methacrylate group, or a vinyl group. The polymer may be a copolymer further containing an addition polymerizable compound as a component to be copolymerized. A method for producing a hard disk, including: a first step of forming projections and recesses on a magnetic body; a second step of coating the projections and recesses with the flattening film forming composition; and a third step of flattening the coating by means of etching and exposing a surface of the magnetic body.Type: GrantFiled: September 18, 2012Date of Patent: December 20, 2016Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Taku Kato, Masayuki Haraguchi, Masaaki Ozawa
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Patent number: 9502592Abstract: A film-forming composition is characterized by containing: a triazine ring-containing hyperbranched polymer containing a repeating unit structure represented by formula (1); and a dissolution-enhancing agent for breaking a hydrogen bond formed at least within the hyperbranched polymer and/or between molecules, between a nitrogen atom in the triazine ring, and a diarylamine-derived NH group. The film-forming composition has excellent dissolvability in organic solvents such as resist solvents, and has good handling and filtration properties at low viscosity. (In the formula, R and R? each independently represent a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, or an aralkyl group (however, at least one of R and R? represents a hydrogen atom); and Ar represents a divalent organic group containing an aromatic ring and/or a heterocyclic ring).Type: GrantFiled: October 28, 2011Date of Patent: November 22, 2016Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Naoya Nishimura, Taku Kato, Yasuyuki Koide, Kei Yasui, Hideki Musashi, Masaaki Ozawa
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Patent number: 9487488Abstract: The present invention provides novel sulfonamide compounds having TRPM8 antagonistic activity which are useful as medicaments. Specifically, the present invention provides a sulfonamide compound of the formula (I): wherein Ring A is the following formula (i), (ii), or (ix): R4 is optionally substituted alkyl, X1 and X2 are each independently tetrazolyl, tetrazolinonyl, optionally substituted triazolyl, triazolinonyl, oxadiazolonyl, optionally substituted alkanoylaminomethyl, or optionally substituted alkylsulfonylaminomethyl, or R4 and X2 combine with each other at their terminals together with the adjacent benzene to form indazolinonyl or benzoisoxazolonyl, and the other symbols are the same as described in the specification, or a pharmaceutically acceptable salt thereof.Type: GrantFiled: September 13, 2013Date of Patent: November 8, 2016Assignee: MITSUBISHI TANABE PHARMA CORPORATIONInventors: Taku Kato, Toshiaki Sakamoto, Akira Kubo, Daisuke Sawamoto
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Patent number: 9467281Abstract: According to one embodiment, an information processing apparatus, which is connected to an external apparatus, includes a device key storage unit, a creating unit, a calculating unit, a communication unit, and a key calculating unit. The device key storage unit stores therein a device key. The creating unit creates a media key from the device key and a media key block. The calculating unit calculates first output information on the basis of first inherent information inherent to the information processing apparatus and public information. The communication unit transmits the first output information to the external apparatus and receives second output information calculated by the external apparatus from the external apparatus. The key calculating unit calculates a shared key shared between the information processing apparatus and the external apparatus on the basis of the media key, the first inherent information, and the second output information.Type: GrantFiled: April 7, 2015Date of Patent: October 11, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Toru Kambayashi, Yoshikazu Hanatani, Yuichi Komano, Yoshihiro Oba, Satoshi Ito, Taku Kato, Yasuro Shobatake
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Publication number: 20160251469Abstract: 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: ApplicationFiled: October 6, 2014Publication date: September 1, 2016Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Junpei KOBAYASHI, Taku KATO, Keisuke SHUTO, Masayoshi SUZUKI
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Patent number: 9413532Abstract: A controller is provided with a controller key and a first controller identification information unique to the controller. The controller generates a controller unique key unique to a respective controller based on the controller key and the first controller identification information, and a second controller identification information based on the first controller identification information. A decryptor decrypts the encrypted medium device key using the controller unique key to obtain a medium device key. An authentication/key exchange process unit performs authentication/key exchange process with the host device through an interface unit using the medium device key and the medium device key certificate to establish the secure channel.Type: GrantFiled: July 2, 2015Date of Patent: August 9, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Taku Kato, Yuji Nagai, Tatsuyuki Matsushita
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Patent number: 9355045Abstract: According to one embodiment, a memory chip, which is connected to a controller that controls reading and writing of data in response to a request from an external device, includes: a memory including a special area that is a predetermined data storage area; a key storage unit that stores therein a second key that corresponds to a first key used by the external device to convert the data; a converting unit that receives, from the controller, data to be written into the special area and generates converted data by converting the data to be written using the second key; and a writing unit that writes the converted data into the special area.Type: GrantFiled: April 30, 2015Date of Patent: May 31, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Toru Kambayashi, Akihiro Kasahara, Shinichi Matsukawa, Hiroyuki Sakamoto, Taku Kato, Hiroshi Sukegawa, Yoshihiko Hirose, Atsushi Shimbo, Koichi Fujisaki
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Publication number: 20160147979Abstract: According to an embodiment, a reading apparatus is connectable with an information processing apparatus connected to a server apparatus. The reading apparatus includes an authenticator, a cryptographic processor, and a transmitter. The authenticator acquires a shared key by performing an authentication/key exchanging process with the server apparatus. The cryptographic processor acquires secret information and encrypts the secret information using the shared key. The transmitter transmits the encrypted secret information to the server apparatus.Type: ApplicationFiled: November 18, 2015Publication date: May 26, 2016Inventor: Taku KATO
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Publication number: 20160108438Abstract: 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: April 30, 2014Publication date: April 21, 2016Applicant: ASAHI GROUP HOLDINGS, LTD.Inventors: Takayuki MASUDA, Taku KATO
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Patent number: 9319389Abstract: A controller is provided with a controller key and a first controller identification information unique to the controller. The controller generates a controller unique key unique to a respective controller based on the controller key and the first controller identification information, and a second controller identification information based on the first controller identification information. A decryptor decrypts the encrypted medium device key using the controller unique key to obtain a medium device key. An authentication/key exchange process unit performs authentication/key exchange process with the host device through an interface unit using the medium device key, the medium device key certificate and the second controller identification information to establish a secure channel.Type: GrantFiled: June 2, 2014Date of Patent: April 19, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Taku Kato, Yuji Nagai, Tatsuyuki Matsushita
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Patent number: 9294285Abstract: The data storage portion stores an encrypted medium device key Enc (Kcu, Kmd_i) generated by encrypting a medium device key (Kmd_i), a medium device key certificate (Certmedia), and encrypted content data generated by encrypting content data, the controller stores a controller key (Kc) and first controller identification information (IDcu), the information recording device being configured to execute, after being connected to an external host device, an one-way function calculation based on the controller key (Kc) and the first controller identification information (IDcu) to generate a controller unique key (Kcu) used when decrypting the encrypted medium device key Enc (Kcu, Kmd_i), and second controller identification information (IDcntr) used when decrypting the encrypted content data.Type: GrantFiled: July 30, 2014Date of Patent: March 22, 2016Assignee: Kabushiki Kaisha ToshibaInventors: Taku Kato, Yuji Nagai, Tatsuyuki Matsushita
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Publication number: 20160080147Abstract: 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: ApplicationFiled: November 12, 2015Publication date: March 17, 2016Applicant: Kabushiki Kaisha ToshibaInventors: Taku KATO, Tatsuyuki Matushita, Yuji Nagai, Fangming Zhao
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Publication number: 20160068674Abstract: There is provided an imprint material that has sufficient adhesion to film substrates and excellent scratch resistance, and can be readily released from a mold at the time of mold release. An imprint material including: (A) a specific acrylamide such as N,N?-dimethylacrylamide; (B) a compound having alkylene oxide units and having 2 to 6 polymerizable groups at the ends of the compound, in which the alkylene oxide units are ethylene oxide units, propylene oxide units, or a combination thereof; and (C) a photopolymerization initiator.Type: ApplicationFiled: March 28, 2014Publication date: March 10, 2016Inventors: Junpei KOBAYASHI, Taku KATO, Masayoshi SUZUKI
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Patent number: 9257576Abstract: A coating film forming composition includes an amino acid generator including a protecting group that is eliminated to generate an amino acid. A coating film forming composition includes a component (A): the amino acid generator; a component (B): a hydrolyzable silane, a hydrolysis product thereof, a hydrolysis-condensation product thereof, or a mixture thereof; and a component (C): a solvent.Type: GrantFiled: July 15, 2013Date of Patent: February 9, 2016Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Taku Kato, Junpei Kobayashi, Satoko Takano, Naoki Sakumoto
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Patent number: 9253169Abstract: According to one embodiment, a device includes a second data generator configured to generate a session key (SKey) by encrypting a random number (RN) with the second key (HKey) in AES operation; a one-way function processor configured to generate an authentication information (Oneway-ID) by processing the secret identification information (SecretID) with the session key (SKey) in one-way function operation; and a data output interface configured to output the encrypted secret identification information (E-SecretID) and the authentication information (Oneway-ID) to outside of the device.Type: GrantFiled: April 21, 2014Date of Patent: February 2, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yuji Nagai, Taku Kato, Tatsuyuki Matsushita
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Patent number: 9251923Abstract: A varnish comprising a ground substance consisting of a polymer or oligomer of 200 to 50?104 molecular weight or organic compound of 200 to 1000 molecular weight and a solvent containing a good solvent and a poor solvent whose boiling point (under 760 mmHg) is at least 20° C. lower than that of the good solvent, wherein the ground substance is dissolved in the solvent. Any thin film prepared from this varnish is substantially from generation of foreign matter, so that it can appropriately be used as thin films for electronic devices and those for use in other technical fields.Type: GrantFiled: April 28, 2005Date of Patent: February 2, 2016Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Taku Kato, Takuji Yoshimoto, Go Ono