Patents by Inventor Koji Nakamichi
Koji Nakamichi 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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Publication number: 20240095850Abstract: A non-transitory computer-readable storage medium storing therein an information management program for causing a computer to execute a process comprises: receiving property information indicating a reliability of a post uploaded on the Internet and a digital signature generated from the property information; and storing the property information, to which identification information of the post and the digital signature are added, in a storage.Type: ApplicationFiled: June 12, 2023Publication date: March 21, 2024Applicants: Fujitsu Limited, KEIO UNIVERSITYInventors: Takuya SAKAMOTO, Kazuaki NIMURA, Ryuichi MATSUKURA, Koji NAKAMICHI, Masayuki FUKUI, Shigeya SUZUKI, Osamu NAKAMURA, Ryosuke ABE
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Publication number: 20220281830Abstract: The present invention relates to a novel salt of 2-(4-(5,6-diphenylpyrazin-2-yl)(isopropyl)amino)butoxy)acetic acid (hereinafter referred to as “Compound B”) and a crystal of the salt thereof.Type: ApplicationFiled: August 19, 2020Publication date: September 8, 2022Applicant: NIPPON SHINYAKU CO., LTD.Inventors: Yasushi KOKUBO, Toshitaka YAMAMOTO, Koji NAKAMICHI, Domenico CROCCO
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Publication number: 20180255600Abstract: A distribution terminal includes a memory and a processor coupled to the memory. The processor executes a process including: first transmitting contents-relevant information relevant to contents to an acquisition terminal before wireless communication connection is established, according to a contents-relevant information request which is transmitted from the acquisition terminal; detecting whether or not an error occurs when the contents-relevant information is transmitted; and second transmitting the contents-relevant information to the acquisition terminal after the wireless communication connection is established, in a case in which an occurrence of the error is detected.Type: ApplicationFiled: March 1, 2018Publication date: September 6, 2018Applicant: FUJITSU LIMITEDInventors: Koji NAKAMICHI, Naoki HASEGAWA, Yuka TANAKA, Junji ONO
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Publication number: 20180255483Abstract: A distribution terminal includes a communication unit that receives a request transmitted from an acquisition terminal before wireless communication connection is established, and transmits contents to the acquisition terminal after the wireless communication connection is established; and a processor that controls the communication unit such that transmission limit of the contents is performed based on a number of acquisition terminals when the request is received.Type: ApplicationFiled: March 5, 2018Publication date: September 6, 2018Applicant: FUJITSU LIMITEDInventors: Koji NAKAMICHI, Naoki HASEGAWA, Yuka TANAKA, Junji ONO
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Publication number: 20170180973Abstract: A communication device includes a memory and a processor coupled to the memory. The processor is configured to transmit a first request to discover devices through radio communication. The processor is configured to discover first devices on basis of first responses to the first request within a predetermined period. The first responses are received from the respective first devices. The processor is configured to establish, after a lapse of the predetermined period, a connection with the respective first devices. The processor is configured to acquire information from the respective first devices.Type: ApplicationFiled: November 28, 2016Publication date: June 22, 2017Applicant: FUJITSU LIMITEDInventors: Koji Nakamichi, Yohei Seki, Naoki Hasegawa, Yoshiaki Kawakatsu
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Patent number: 9440931Abstract: Form-III crystal of 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}-N-(methylsulfonyl)acetamide and a method of producing the crystal are provided. The Form-III crystal exhibits diffraction peaks in its X-ray powder diffraction spectrum at least at the following angles of diffraction 2? when the spectrum is obtained by using Cu K? radiation: 9.3 degrees, 9.7 degrees, 16.8 degrees, 20.6 degrees, and 23.5 degrees. The Form-III crystal can be produced by crystallizing the subject compound from an ester solvent or an aromatic hydrocarbon solvent. The crystal may be administered as an active ingredient to a subject for the purpose of treating or preventing certain diseases, disorders, and symptoms, or for promoting angiogenesis or gene therapy.Type: GrantFiled: June 9, 2015Date of Patent: September 13, 2016Assignee: NIPPON SHINYAKU CO., LTD.Inventors: Koji Nakamichi, Takashi Tosaka
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Publication number: 20150266830Abstract: Form-III crystal of 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}-N-(methylsulfonyl)acetamide and a method of producing the crystal are provided. The Form-III crystal exhibits diffraction peaks in its X-ray powder diffraction spectrum at least at the following angles of diffraction 2? when the spectrum is obtained by using Cu K? radiation: 9.3 degrees, 9.7 degrees, 16.8 degrees, 20.6 degrees, and 23.5 degrees. The Form-III crystal can be produced by crystallizing the subject compound from an ester solvent or an aromatic hydrocarbon solvent. The crystal may be administered as an active ingredient to a subject for the purpose of treating or preventing certain diseases, disorders, and symptoms, or for promoting angiogenesis or gene therapy.Type: ApplicationFiled: June 9, 2015Publication date: September 24, 2015Applicant: NIPPON SHINYAKU CO., LTD.Inventors: Koji NAKAMICHI, Takashi TOSAKA
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Publication number: 20140155414Abstract: A main object of the present invention is to provide a novel crystal of 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}-N-(methylsulfonyl)acetamide (hereinafter referred to as “compound A”). A Form-I crystal of compound A shows diffraction peaks at 9.4 degrees, 9.8 degrees, 17.2 degrees and 19.4 degrees in the powder X-ray diffraction spectrum thereof. A Form-II crystal of compound A shows diffraction peaks at 9.0 degrees, 12.9 degrees, 20.7 degrees and 22.6 degrees in the powder X-ray diffraction spectrum thereof. A Form-III crystal of compound A shows diffraction peaks at 9.3 degrees, 9.7 degrees, 16.8 degrees, 20.6 degrees and 23.5 degrees in the powder X-ray diffraction spectrum thereof.Type: ApplicationFiled: January 22, 2014Publication date: June 5, 2014Applicant: NIPPON SHINYAKU CO., LTD.Inventors: Hideyuki ITOU, Koji NAKAMICHI, Takashi TOSAKA
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Patent number: 8695051Abstract: A video quality monitoring method includes a distribution server measuring first video quality index values according to a full-reference method by comparing a video, distributed from the distribution server to a client through a network, with a degraded video, generated by causing multiple scenarios of quality degradation due to the network in the video in a pseudo manner, creating characteristic data of first quality degradation values, obtained by causing the quality degradation to vary with the scenarios at regular intervals, and the first video quality index values corresponding to the respective scenarios, and transmitting the characteristic data to the client; and the client measuring a second quality degradation value in the video distributed through the network, and calculating a second video quality index value, equivalent to a value according to the full-reference method, of the distributed video from the measured second quality degradation value and the characteristic data.Type: GrantFiled: August 29, 2012Date of Patent: April 8, 2014Assignee: Fujitsu LimitedInventors: Koji Nakamichi, Satoshi Imai, Hiroshi Yamamoto, Toshio Soumiya
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Publication number: 20130317872Abstract: An agricultural work support method is disclosed. In the agricultural work support method, an advent of an evaluation time of a performed agricultural work task is detected based on a performance time and a calculation method of the evaluation time of an achievement of the agricultural work task, in which a work history storage part stores the performance time for each of multiple agricultural work tasks, and a calculation method storage part stores the performance time as a reference in the calculation method. Then, an instruction of an evaluation work of the achievement pertinent to the agricultural work task, in which the advent of the evaluation time is detected, is output.Type: ApplicationFiled: August 6, 2013Publication date: November 28, 2013Applicant: FUJITSU LIMITEDInventor: Koji NAKAMICHI
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Publication number: 20120320222Abstract: A video quality monitoring method includes a distribution server measuring first video quality index values according to a full-reference method by comparing a video, distributed from the distribution server to a client through a network, with a degraded video, generated by causing multiple scenarios of quality degradation due to the network in the video in a pseudo manner, creating characteristic data of first quality degradation values, obtained by causing the quality degradation to vary with the scenarios at regular intervals, and the first video quality index values corresponding to the respective scenarios, and transmitting the characteristic data to the client; and the client measuring a second quality degradation value in the video distributed through the network, and calculating a second video quality index value, equivalent to a value according to the full-reference method, of the distributed video from the measured second quality degradation value and the characteristic data.Type: ApplicationFiled: August 29, 2012Publication date: December 20, 2012Applicant: FUJITSU LIMITEDInventors: Koji Nakamichi, Satoshi Imai, Hiroshi Yamamoto, Toshio Soumiya
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Patent number: 8296814Abstract: A video quality monitoring method includes a distribution server measuring first video quality index values according to a full-reference method by comparing a video, distributed from the distribution server to a client through a network, with a degraded video, generated by causing multiple scenarios of quality degradation due to the network in the video in a pseudo manner, creating characteristic data of first quality degradation values, obtained by causing the quality degradation to vary with the scenarios at regular intervals, and the first video quality index values corresponding to the respective scenarios, and transmitting the characteristic data to the client; and the client measuring a second quality degradation value in the video distributed through the network, and calculating a second video quality index value, equivalent to a value according to the full-reference method, of the distributed video from the measured second quality degradation value and the characteristic data.Type: GrantFiled: February 18, 2010Date of Patent: October 23, 2012Assignee: Fujitsu LimitedInventors: Koji Nakamichi, Satoshi Imai, Hiroshi Yamamoto, Toshio Soumiya
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Publication number: 20120101276Abstract: A main object of the present invention is to provide a novel crystal of 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}-N-(methylsulfonyl)acetamide (hereinafter referred to as “compound A”). A Form-I crystal of compound A shows diffraction peaks at 9.4 degrees, 9.8 degrees, 17.2 degrees and 19.4 degrees in the powder X-ray diffraction spectrum thereof. A Form-II crystal of compound A shows diffraction peaks at 9.0 degrees, 12.9 degrees, 20.7 degrees and 22.6 degrees in the powder X-ray diffraction spectrum thereof. A Form-III crystal of compound A shows diffraction peaks at 9.3 degrees, 9.7 degrees, 16.8 degrees, 20.6 degrees and 23.5 degrees in the powder X-ray diffraction spectrum thereof.Type: ApplicationFiled: June 25, 2010Publication date: April 26, 2012Applicant: NIPPON SHINYAKU CO., LTD.Inventors: Hideyuki Itou, Koji Nakamichi, Takashi Tosaka
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Patent number: 8050182Abstract: A system includes, in order to detect a failure occurring on a transmission path through which service traffic is transmitted from a delivery server, a node that is on the transmission path and that monitors the service traffic, and a monitoring server that determines a location at which a failure has occurred by analyzing information transmitted from the node. Each node measures the service traffic, recognizes an adjacent node, which is a node adjacent in a logic tree structure corresponding to a transmission path, establishes a link, recognizes a position of the node in the logic tree structure, sets a monitoring target link to be monitored in the logic tree structure, uses a measurement result, and transmits the estimation result to one of the adjacent node and the server. The server analyzes the estimation result received from the node, and determines the location of a failure on the transmission path.Type: GrantFiled: April 6, 2009Date of Patent: November 1, 2011Assignee: Fujitsu LimitedInventors: Hiroshi Yamamoto, Koji Nakamichi
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Patent number: 8005090Abstract: A QoS information notification method for transmitting QoS information over a multi-domain network includes steps of: (a) a first inter-domain signaling apparatus 11A transmitting QoS information to a first communication apparatus 13A; (b) the first communication apparatus 13A transmitting the received QoS information to a second communication apparatus 13B; (c) the second communication apparatus 13B transmitting to a second inter-domain signaling apparatus 11B the received QoS information and a route through which the received QoS information has passed; and (d) the second inter-domain signaling apparatus 11B associating the received QoS information with the received route.Type: GrantFiled: June 7, 2006Date of Patent: August 23, 2011Assignee: Fujitsu LimitedInventors: Koji Nakamichi, Akiko Yamada
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Patent number: 7890656Abstract: A transmission system, having a plurality of delivery server side routers which communicate with a plurality of delivery servers for delivering a content; and a client side router which communicates with a client device for receiving the content, is configured to include: a database for storing server load states of the plurality of delivery servers, and respective individual link load states for a plurality of delivery paths between the plurality of delivery server side routers and the client side router; and a path control unit for determining a minimum load state delivery path having a minimum load state among the plurality of delivery paths, based on sums of the server load states and the respective individual link load states stored in the database.Type: GrantFiled: April 1, 2005Date of Patent: February 15, 2011Assignee: Fujitsu LimitedInventors: Koji Nakamichi, Akiko Yamada, Hitoshi Yamada, Akira Nagata, Katsuichi Nakamura, Seiji Nomiyama, Mitsunori Fukazawa, Nobuhiro Kawamura, Sugiko Itagaki, Takashi Iawasaki
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Publication number: 20100180315Abstract: A video quality monitoring method includes a distribution server measuring first video quality index values according to a full-reference method by comparing a video, distributed from the distribution server to a client through a network, with a degraded video, generated by causing multiple scenarios of quality degradation due to the network in the video in a pseudo manner, creating characteristic data of first quality degradation values, obtained by causing the quality degradation to vary with the scenarios at regular intervals, and the first video quality index values corresponding to the respective scenarios, and transmitting the characteristic data to the client; and the client measuring a second quality degradation value in the video distributed through the network, and calculating a second video quality index value, equivalent to a value according to the full-reference method, of the distributed video from the measured second quality degradation value and the characteristic data.Type: ApplicationFiled: February 18, 2010Publication date: July 15, 2010Applicant: FUJITSU LIMITEDInventors: Koji Nakamichi, Satoshi Imai, Hiroshi Yamamoto, Toshio Soumiya
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Patent number: 7680046Abstract: A wide area load sharing control system includes a statistic information gathering module obtaining from respective nodes, as statistic information, a traffic state of links connected to the respective nodes in a network, a route determining module determining, based on the obtained statistic information, at least one route for extending a plurality of paths between ingress edge nodes and egress edge nodes that correspond to within a traffic engineering section in the network, and a load sharing determining module determining, based on the obtained statistic information, a ratio at which a traffic should be distributed to respective paths on the determined route. Active modules among the statistic information gathering module, the route determining module and the load sharing determining module are switched over to between the ingress edge nodes and the network control device concentratedly controlling the respective nodes, mutually.Type: GrantFiled: July 10, 2003Date of Patent: March 16, 2010Assignee: Fujitsu LimitedInventors: Koji Nakamichi, Hitoshi Yamada
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Publication number: 20090323537Abstract: A system includes, in order to detect a failure occurring on a transmission path through which service traffic is transmitted from a delivery server, a node that is on the transmission path and that monitors the service traffic, and a monitoring server that determines a location at which a failure has occurred by analyzing information transmitted from the node. Each node measures the service traffic, recognizes an adjacent node, which is a node adjacent in a logic tree structure corresponding to a transmission path, establishes a link, recognizes a position of the node in the logic tree structure, sets a monitoring target link to be monitored in the logic tree structure, uses a measurement result, and transmits the estimation result to one of the adjacent node and the server. The server analyzes the estimation result received from the node, and determines the location of a failure on the transmission path.Type: ApplicationFiled: April 6, 2009Publication date: December 31, 2009Applicant: FUJITSU LIMITEDInventors: Hiroshi Yamamoto, Koji Nakamichi
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Patent number: 7636051Abstract: A statistical value update unit calculates the fluctuation of measurement data. A filtering processing unit extracts a normal white noise component from the fluctuation of the measurement data using an adaptive lattice filter. A statistical test unit determines whether or not the variance of the normal white noise component is out of a predetermined scope in reference distribution. A change decision unit detects a stationary change of the status of a target system based on a detection ratio of an outlier.Type: GrantFiled: May 31, 2006Date of Patent: December 22, 2009Assignee: Fujitsu LimitedInventors: Satoshi Imai, Akiko Yamada, Hitoshi Yamada, Hitoshi Ueno, Koji Nakamichi, Akira Chugo