Patents by Inventor Takuya MINAMI
Takuya MINAMI 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: 11805142Abstract: A communication system including an operational network including a host and a learning and detection server, and a staging network including a host of the same type as the host, a test execution server, and a learning and detection server. The test execution server performs a communication test by transmitting test communication in a normal state to the host and receiving communication performed by the host. The learning and detection server learns the communication of the host, generates an initial model for detecting an anomalous communication of the host, and transmits the initial model to the learning and detection server. The learning and detection server learns the communication of the host and generates a model for detecting an anomalous communication of the host, while monitoring the communication of the host using the initial model received from the learning and detection server.Type: GrantFiled: June 26, 2019Date of Patent: October 31, 2023Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takuya Minami, Tomoyasu Sato, Naoto Fujiki, Takeshi Nakatsuru, Masami Izumi
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Publication number: 20230342400Abstract: A document search device includes a processor, and a memory storing program instructions that cause the processor to search for an input keyword in a document database in which document information including text data extracted by using a character recognition process from document image data generated by imaging a paper document is stored, select a similar keyword in accordance with a degree of similarity to the input keyword from a group of wildcard strings generated from the input keyword and search for the similar keyword in the document database, the degree of similarity being determined by comparing each character of the input keyword with a corresponding character of a wildcard string in the group of wildcard strings, and output a search result obtained by searching for the input keyword in the document database and a search result obtained by searching for the similar keyword in the document database.Type: ApplicationFiled: June 22, 2023Publication date: October 26, 2023Inventors: Yoshishige OKUNO, Takuya MINAMI, Eriko TAKEDA, Hajime HOTTA
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Patent number: 11797551Abstract: A document retrieval apparatus includes a processor which receives an input of a keyword, acquires an author's name and a document file from a digital document database which stores document files of text data obtained by performing a character recognition process with respect to document image data of handwritten documents, and names of authors who wrote the handwritten documents, references an associating keyword database which stores information associating the authors' names, keywords, and associating keywords, to acquire an associating keyword of the input keyword, from the received input keyword and the acquired author's name, searches the acquired document file, using the input keyword and the acquired associating keyword, and outputs a search result of the searching.Type: GrantFiled: February 10, 2020Date of Patent: October 24, 2023Assignee: RESONAC CORPORATIONInventors: Takuya Minami, Yu Kawahara, Shimpei Takemoto, Eriko Takeda, Yoshishige Okuno
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Patent number: 11755659Abstract: A document search device includes a document search unit configured to search for an input keyword in a document database in which document information including text data is stored, the text data being extracted, by using a character recognition process, from document image data generated by imaging a paper document, a similar keyword selecting unit configured to select a similar keyword in accordance with a degree of similarity to the input keyword, from a group of wildcard strings generated from the input keyword, and cause the document search unit to search for the similar keyword in the document database, and an output unit configured to output a search result obtained by searching for the input keyword in the document database and a search result obtained by searching for the similar keyword in the document database.Type: GrantFiled: September 26, 2019Date of Patent: September 12, 2023Assignee: Resonac CorporationInventors: Yoshishige Okuno, Takuya Minami, Eriko Takeda, Hajime Hotta
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Publication number: 20230229683Abstract: To improve precision while maintaining a balance between accuracy and comprehensiveness of a document search. According to one embodiment of the present invention, a document search device includes an input reception unit configured to receive an input of a keyword of a document search, a document search unit configured to acquire, from a document, a hit character string matching a character string in which a portion of characters of the keyword is replaced with a wildcard, and character strings before and after the hit character string, and compute a likelihood of the hit character string, based on the hit character string, and the character strings before and after the hit character string, and a search result display unit configured to output a result of the document search based on the likelihood.Type: ApplicationFiled: July 19, 2021Publication date: July 20, 2023Inventors: Takuya MINAMI, Yoshishige OKUNO
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Patent number: 11661478Abstract: A fluorine-containing ether compound of the present invention is represented by the following General Formula (1). (In the General Formula (1), X is a trivalent atom or a trivalent atom group, A is a linking group including at least one polar group, B is a linking group having a perfluoropolyether chain, and D is a polar group or a substituent having a polar group at the end.) [Chem.Type: GrantFiled: February 6, 2018Date of Patent: May 30, 2023Assignee: SHOWA DENKO K.K.Inventors: Takuya Minami, Yoshishige Okuno, Yuta Yamaguchi, Ryuuta Miyasaka, Naoya Fukumoto, Hiroko Hattori, Hiroyuki Tomita, Michio Seri, Naoko Ito, Ichiro Ota, Katsumi Murofushi
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Publication number: 20220261510Abstract: A material design system includes an expert terminal capable of using a model learning interface for performing machine learning of a model that inputs and outputs a correspondence between a design condition and a material property value of the material to be designed, and a plurality of general-purpose terminals configured to use a material design interface for estimating the material property value based on the design condition or estimating the design condition based on the material property value, by using a learned model that is created by the expert terminal and is for the material to be designed.Type: ApplicationFiled: July 17, 2020Publication date: August 18, 2022Inventors: Shimpei TAKEMOTO, Katsuki OKUNO, Takuya MINAMI, Naoto AONUMA, Eriko TAKEDA, Yoshishige OKUNO
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Publication number: 20220263737Abstract: An acquisition unit acquires a communication feature for normal communication of communication equipment. If a data count or a data acquisition period for the acquired communication feature exceeds a predetermined value, an amplification unit amplifies the data count for the communication feature by a plurality of predetermined schemes in accordance with data counts for respective groups, each group sharing a same 5-tuple. A creation unit creates, for each of the predetermined schemes, reference value information for normal communication of the communication equipment through learning using the amplified communication feature. A determination unit determines accuracy of abnormality detection for each of the predetermined schemes using an anomaly score representing a deviation of test data representing a communication feature for abnormal communication from the reference value information.Type: ApplicationFiled: July 23, 2019Publication date: August 18, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Naoto FUJIKI, Takuya MINAMI, Masanori SHINOHARA
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Patent number: 11316770Abstract: An anomaly detection device includes a memory, and processing circuitry coupled to the memory and configured to acquire communication feature values of communication devices, calculate, for each transmission source MAC address included in the communication feature values acquired, a total value of the number of transmitted and received packets or a total value of the number of bytes, for each layer-2 switch connected to a corresponding communication device, and determine, for each transmission source MAC address, that a communication device corresponding to the transmission source MAC address is connected to a layer-2 switch whose total value of the number of transmitted and received packets or total value of the number of bytes calculated is the largest.Type: GrantFiled: May 28, 2019Date of Patent: April 26, 2022Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Naoto Fujiki, Tomoyasu Sato, Takeshi Nakatsuru, Takuya Minami, Masami Izumi
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Publication number: 20220050125Abstract: This probe production method is a method of producing a probe (101) having a coating layer (104) on a surface thereof, in which the coating layer (104) is formed on a surface of a base material (103) having a sharp tip end portion (103a) using a gas phase method.Type: ApplicationFiled: March 3, 2020Publication date: February 17, 2022Applicant: SHOWA DENKO K.K.Inventors: Tsuyoshi KATO, Hiroyuki TOMITA, Takuya MINAMI, Shohei NISHIZAWA, Yoshitomo SHIMAZU, Gohei KUROKAWA, Katsumi MUROFUSHI, Naoya FUKUMOTO
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Publication number: 20220019581Abstract: A document retrieval apparatus includes an input reception unit configured to receive an input of a keyword, a document acquisition unit configured to acquire an author's name and a document file from a digital document database which stores document files of text data obtained by performing a character recognition process with respect to document image data of handwritten documents, and names of authors who wrote the handwritten documents, a keyword acquisition unit configured to reference an associating keyword database which stores information associating the authors' names, keywords, and associating keywords, and acquire an associating keyword of the input keyword, from the input keyword received by the input reception unit and the author's name acquired by the document acquisition unit, a document search unit configured to search the document file acquired by the document acquisition unit, using the input keyword and the acquired associating keyword, and a search result output unit configured to output aType: ApplicationFiled: February 10, 2020Publication date: January 20, 2022Inventors: Takuya MINAMI, Yu KAWAHARA, Shimpei TAKEMOTO, Eriko TAKEDA, Yoshishige OKUNO
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Publication number: 20220019906Abstract: Technical knowledge which is difficult for the expert to express in words or numerical form is predicted and reproduced. A technical knowledge prediction apparatus according to one embodiment of the present invention includes a problem setting unit configured to automatically create and set a problem which includes a control factor of a manufacturing step, and a variable of the control factor, an answer acquiring unit configured to acquire an answer with respect to the problem and indicating a decision of the manufacturing step, a query acquiring unit configured to acquire a query, and a prediction output unit configured to predict and output an answer corresponding to the query acquired by the query acquiring unit, based on a corresponding relationship between the problem and the answer.Type: ApplicationFiled: November 22, 2019Publication date: January 20, 2022Inventors: Katsuki OKUNO, Yoshishige OKUNO, Shimpei TAKEMOTO, Takuya MINAMI, Masamichi KITANO
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Publication number: 20210397769Abstract: A material design device derives the optimal solution for a design condition satisfying a desired material property. A design condition setting unit for setting a specified range of a design condition of a material to be designed. A comprehensive prediction point generation unit generates a plurality of comprehensive prediction points within the specified range set by the design condition setting unit. A design condition-material property table stores data sets in which each point of the comprehensive prediction points is associated with a material property value calculated by inputting the comprehensive prediction points generated by the comprehensive prediction point generation unit, to a learned model. A required property setting unit sets a specified range of a required property of the material. A design condition extraction unit extracts, from the design condition-material property table, a data set satisfying the required property set by the required property setting unit.Type: ApplicationFiled: October 30, 2019Publication date: December 23, 2021Applicant: SHOWA DENKO K.K.Inventors: Katsuki OKUNO, Takuya MINAMI, Shimpei TAKEMOTO, Eriko TAKEDA, Yoshishige OKUNO, Masamichi KITANO
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Publication number: 20210374189Abstract: A document search device includes a document search unit configured to search for an input keyword in a document database in which document information including text data is stored, the text data being extracted, by using a character recognition process, from document image data generated by imaging a paper document, a similar keyword selecting unit configured to select a similar keyword in accordance with a degree of similarity to the input keyword, from a group of wildcard strings generated from the input keyword, and cause the document search unit to search for the similar keyword in the document database, and an output unit configured to output a search result obtained by searching for the input keyword in the document database and a search result obtained by searching for the similar keyword in the document database.Type: ApplicationFiled: September 26, 2019Publication date: December 2, 2021Inventors: Yoshishige OKUNO, Takuya MINAMI, Eriko TAKEDA, Hajime HOTTA
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Patent number: 11126695Abstract: A polymer design device according to an embodiment of the present disclosure receives a requirement for a target physical property of a desired polymer, and acquires structural information of polymers. For each polymer corresponding to the acquired structural information, the polymer design device estimates physical property information of the polymer including a mean value and a standard deviation, based on the structural information of the polymer and a regression model, and calculates a score of the polymer based on the requirement for the target physical property and based on the mean value and the standard deviation. From among the acquired structural information of the polymers, the polymer design device selects at least one polymer as the desired polymer, based on the score of each of the polymers, and outputs information of the selected at least one polymer.Type: GrantFiled: October 29, 2019Date of Patent: September 21, 2021Assignee: SHOWA DENKO K.K.Inventors: Takuya Minami, Yoshishige Okuno, Katsumi Murofushi, Toshio Fujita
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Publication number: 20210273964Abstract: An anomaly detection device is provided with a learning unit that generates a detection model using a communication log during normal operation of a communication apparatus as learning data and an anomaly detection unit that detects anomaly of the communication apparatus using the generated detection model. The anomaly detection device is further provided with a data acquisition unit that acquires a communication log (second communication log) generated during a predetermined period later than a first communication log and a determination unit that instructs relearning using the second communication log when there is difference information between the learning data (first communication log) of the current detection model and the second communication log and when the number of pieces of additional information (information on the additional flow) or the number of pieces of deletion information (information on the delete flow) included in the difference information satisfies predetermined evaluation criteria.Type: ApplicationFiled: June 24, 2019Publication date: September 2, 2021Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Masami IZUMI, Tomoyasu SATO, Takeshi NAKATSURU, Takuya MINAMI, Naoto FUJIKI
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Publication number: 20210273963Abstract: A generation device includes a memory, and processing circuitry coupled to the memory and configured to sense anomaly of a network based on information having a plurality of items related to communication in the network, identify a cause of anomaly corresponding to each piece of the information when anomaly is sensed, and generate, based on values of the items in the information and the cause of anomaly identified, a cause-of-anomaly pattern for each predetermined set of pieces of the information.Type: ApplicationFiled: July 2, 2019Publication date: September 2, 2021Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takeshi NAKATSURU, Tomoyasu SATO, Takuya MINAMI, Naoto FUJIKI, Masami IZUMI
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Publication number: 20210218659Abstract: An anomaly detection device includes a memory, and processing circuitry coupled to the memory and configured to acquire communication feature values of communication devices, calculate, for each transmission source MAC address included in the communication feature values acquired, a total value of the number of transmitted and received packets or a total value of the number of bytes, for each layer-2 switch connected to a corresponding communication device, and determine, for each transmission source MAC address, that a communication device corresponding to the transmission source MAC address is connected to a layer-2 switch whose total value of the number of transmitted and received packets or total value of the number of bytes calculated is the largest.Type: ApplicationFiled: May 28, 2019Publication date: July 15, 2021Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Naoto FUJIKI, Tomoyasu SATO, Takeshi NAKATSURU, Takuya MINAMI, Masami IZUMI
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Publication number: 20210160270Abstract: A communication system including an operational network including a host and a learning and detection server, and a staging network including a host of the same type as the host, a test execution server, and a learning and detection server. The test execution server performs a communication test by transmitting test communication in a normal state to the host and receiving communication performed by the host. The learning and detection server learns the communication of the host, generates an initial model for detecting an anomalous communication of the host, and transmits the initial model to the learning and detection server. The learning and detection server learns the communication of the host and generates a model for detecting an anomalous communication of the host, while monitoring the communication of the host using the initial model received from the learning and detection server.Type: ApplicationFiled: June 26, 2019Publication date: May 27, 2021Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takuya MINAMI, Tomoyasu SATO, Naoto FUJIKI, Takeshi NAKATSURU, Masami IZUMI
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Patent number: 10975227Abstract: A curing accelerator can exhibit good curing acceleration performance and is excellent in storage stability, while maintaining sufficient pot life in a curing reaction of radical-polymerizable resins, and a radical-polymerizable resin composition uses the curing accelerator. The curing accelerator for radical-polymerizable resins includes a metal-containing compound (A), a thiol compound (B) and an aprotic solvent (C) having a dielectric constant of 10 or less, wherein the metal-containing compound (A) is one or more compounds selected from a metal soap (A1) and a ?-diketone skeleton-having metal complex (A2), the thiol compound (B) is one or more compounds selected from a mono-functional primary thiol compound (B1), a secondary thiol compound (B2) and a tertiary thiol compound (B3), and the content of the aprotic solvent (C) is 10 to 1,000 parts by mass relative to 100 parts by mass of the total of the metal-containing compound (A) and the thiol compound (B).Type: GrantFiled: September 4, 2017Date of Patent: April 13, 2021Assignee: SHOWA DENKO K.K.Inventors: Yoichiro Sakaguchi, Takuya Minami, Yoshishige Okuno, Atsushi Umino, Yoshitaka Ishibashi