Patents by Inventor Yasuhiro Yamasaki
Yasuhiro Yamasaki 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: 11388097Abstract: A setting device to set a parameter for transmission queues at an Ethernet switch, the setting device including a processor. The processor is configured to assign associations between an attribute associated with a transmission frame and a plurality of the queues having different priorities, set a parameter for a high priority queue having a priority equal to or higher than a threshold based on an adverse condition transmission schedule having transmission timings less desirable than those of a preset transmission schedule, and set a parameter for a low priority queue having a priority of less than the threshold using processing that is different from processing for setting the parameter for the high priority queue.Type: GrantFiled: April 5, 2021Date of Patent: July 12, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yasuhiro Yamasaki, Daisuke Takata, Keigo Kawahara
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Patent number: 11374787Abstract: A switch device installed in a vehicle is provided with: a switch unit configured to relay communication data between a plurality of function units installed in the vehicle; a storage unit configured to hold the communication data to be relayed; and a control unit configured to determine a state of the storage unit, and adjust, for each of applications, a throughput of the communication data to be transmitted from the function units, based on a result of the determination.Type: GrantFiled: August 1, 2019Date of Patent: June 28, 2022Assignees: Sumitomo Electric Industries, Ltd., AutoNetwork Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Toyota Jidosha Kabushiki KaishaInventors: Akihito Iwata, Hideyuki Tanaka, Hideki Maeda, Tatsuya Izumi, Takeshi Hagihara, Yasuhiro Yabuuchi, Yasuhiro Yamasaki, Hiroya Ando, Toshio Kawamura, Hirofumi Urayama
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Patent number: 11228635Abstract: Provided are a communication terminal, communication system, information sharing method and information sharing program, which are capable of reducing the control load when detecting duplicate held content among a plurality of communication terminals. A communication terminal comprises: a communication unit which communicates with another terminal; a content retention unit which retains content; a content list transmission and receiving unit which transmits and receives a content list relating to the retained content; and a transmission timing determination unit which determines the timing at which to transmit the content list on the basis of the number of held content items.Type: GrantFiled: March 22, 2017Date of Patent: January 18, 2022Assignee: NEC CORPORATIONInventors: Kazumine Ogura, Yasuhiro Yamasaki
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Patent number: 11201685Abstract: An in-vehicle network system includes first device and second device configured to send or receive to or from each other, and an intermediate node connected between the first device and the second device, the intermediate node being configured to output buffered messages in a sequence determined by a relative priority scheme. The first device includes a control unit configured to measure a communication delay for each of a plurality of different priority messages, set a delay representative value less than a maximum value of the plurality of communication delays, and adjust time that a time management unit manages, based on time that the first device manages, time that the second device manages, and the delay representative value.Type: GrantFiled: January 29, 2020Date of Patent: December 14, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Yasuhiro Yamasaki
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Patent number: 11201803Abstract: An object of the present invention is to avoid the situation where data to be transmitted have to be discarded, even when a network to which the data is to be transmitted is unavailable. The electronic control unit has: a determination part that executes a first determination process for determining whether a network to which data is to be transmitted is available or not; and a transmission part that executes a first transmission process for transmitting the data to the network when it is determined that the network is available, and executes a storage process for storing the data in a storage medium when it is determined that the network is unavailable. The electronic control unit executes the same processes for another network as well.Type: GrantFiled: January 2, 2019Date of Patent: December 14, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yasuhiro Yamasaki, Toshio Kawamura, Nobuyuki Nakagawa, Yoshitaka Kaseda
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Publication number: 20210367893Abstract: A setting device to set a parameter for transmission queues at an Ethernet switch, the setting device including a processor. The processor is configured to assign associations between an attribute associated with a transmission frame and a plurality of the queues having different priorities, set a parameter for a high priority queue having a priority equal to or higher than a threshold based on an adverse condition transmission schedule having transmission timings less desirable than those of a preset transmission schedule, and set a parameter for a low priority queue having a priority of less than the threshold using processing that is different from processing for setting the parameter for the high priority queue.Type: ApplicationFiled: April 5, 2021Publication date: November 25, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yasuhiro YAMASAKI, Daisuke TAKATA, Keigo KAWAHARA
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Publication number: 20210344522Abstract: A switch device installed in a vehicle is provided with: a switch unit configured to relay communication data between a plurality of function units installed in the vehicle; a storage unit configured to hold the communication data to be relayed; and a control unit configured to determine a state of the storage unit, and adjust, for each of applications, a throughput of the communication data to be transmitted from the function units, based on a result of the determination.Type: ApplicationFiled: August 1, 2019Publication date: November 4, 2021Applicants: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Toyota Jidosha Kabushiki KaishaInventors: Akihito IWATA, Hideyuki TANAKA, Hideki MAEDA, Tatsuya IZUMI, Takeshi HAGIHARA, Yasuhiro YABUUCHI, Yasuhiro YAMASAKI, Hiroya ANDO, Toshio KAWAMURA, Hirofumo URAYAMA
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Patent number: 11095542Abstract: An electronic control unit that monitors a subject electronic control unit that is different from the electronic control unit and is connected to a network includes a transmitting unit that transmits a monitoring packet to the subject electronic control unit, an estimating unit that estimates a state of the subject electronic control unit, based on a reply packet transmitted from the subject electronic control unit in response to the monitoring packet, and a monitoring unit that monitors the subject electronic control unit, based on a monitoring policy selected according to a combination of the state of the subject electronic control unit estimated by the estimating unit, and the state of the electronic control unit.Type: GrantFiled: January 18, 2019Date of Patent: August 17, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shu Ishizuka, Yasuhiro Yamasaki, Toshio Kawamura, Masashi Amesara
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Patent number: 11063908Abstract: This on-vehicle communication device includes: a storage unit configured to store correspondence information indicating a correspondence relationship between an address and a port number; and a communication unit configured to perform, by using the correspondence information, filtering of a packet having been received. A target port number which is a port number of a target instrument is registered in advance in the correspondence information. In the filtering, the communication unit selectively allows a packet that includes the target port number, to pass. The communication unit performs an address registration process of acquiring an address from the packet that includes the target port number and registering, into the correspondence information, the acquired address in association with the target port number. In the filtering after the address registration process, the communication unit selectively allows a packet that includes the target port number and the corresponding address, to pass.Type: GrantFiled: August 30, 2019Date of Patent: July 13, 2021Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Darmawan Go, Hideki Maeda, Takeshi Hagihara, Yasuhiro Yabuuchi, Yasuhiro Yamasaki, Hiroya Ando, Toshio Kawamura, Hirofumi Urayama
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Patent number: 11038802Abstract: An in-vehicle apparatus includes a processor configured to obtain first transmission data with a first communication address as a destination and second transmission data with a second communication address as a destination from one or more applications, transmit the first transmission data to a relay unit at a first timing among a plurality of timings set at an interval of a predetermined cycle corresponding to a buffer size of the relay unit to which the in-vehicle apparatus is connected, and transmit the second transmission data to the relay unit at a second timing among the plurality of timings, the second timing being different from the first timing.Type: GrantFiled: August 21, 2018Date of Patent: June 15, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yasuhiro Yamasaki, Toshio Kawamura
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Publication number: 20200389436Abstract: This on-vehicle communication device includes: a storage unit configured to store correspondence information indicating a correspondence relationship between an address and a port number; and a communication unit configured to perform, by using the correspondence information, filtering of a packet having been received. A target port number which is a port number of a target instrument is registered in advance in the correspondence information. In the filtering, the communication unit selectively allows a packet that includes the target port number, to pass. The communication unit performs an address registration process of acquiring an address from the packet that includes the target port number and registering, into the correspondence information, the acquired address in association with the target port number. In the filtering after the address registration process, the communication unit selectively allows a packet that includes the target port number and the corresponding address, to pass.Type: ApplicationFiled: August 30, 2019Publication date: December 10, 2020Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Darmawan GO, Hideki MAEDA, Takeshi HAGIHARA, Yasuhiro YABUUCHI, Yasuhiro YAMASAKI, Hiroya ANDO, Toshio KAWAMURA, Hirofumi URAYAMA
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Patent number: 10839619Abstract: An electronic control unit mounted on a vehicle includes a processor configured to: detect a connection request from an outside device; determine, in response to the connection request, whether or not a start condition for starting a connection authentication process is satisfied, the connection authentication process being a process for determining propriety of the connection request from the outside device; control a communication state between the outside device and the electronic control unit such that the communication state becomes a linkup state when the start condition is satisfied; and start the connection authentication process when the communication state is the linkup state.Type: GrantFiled: January 16, 2019Date of Patent: November 17, 2020Assignee: Toyota Jidosha Kabushiki KaishaInventors: Shu Ishizuka, Masashi Amesara, Toshio Kawamura, Yasuhiro Yamasaki
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Publication number: 20200304558Abstract: Provided are a communication terminal, communication system, information sharing method and information sharing program, which are capable of reducing the control load when detecting duplicate held content among a plurality of communication terminals. A communication terminal comprises: a communication unit which communicates with another terminal; a content retention unit which retains content; a content list transmission and receiving unit which transmits and receives a content list relating to the retained content; and a transmission timing determination unit which determines the timing at which to transmit the content list on the basis of the number of held content items.Type: ApplicationFiled: March 22, 2017Publication date: September 24, 2020Applicant: NEC CORPORATIONInventors: Kazumine OGURA, Yasuhiro YAMASAKI
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Publication number: 20200259579Abstract: An in-vehicle network system includes first device and second device configured to send or receive to or from each other, and an intermediate node connected between the first device and the second device, the intermediate node being configured to output buffered messages in a sequence determined by a relative priority scheme. The first device includes a control unit configured to measure a communication delay for each of a plurality of different priority messages, set a delay representative value less than a maximum value of the plurality of communication delays, and adjust time that a time management unit manages, based on time that the first device manages, time that the second device manages, and the delay representative value.Type: ApplicationFiled: January 29, 2020Publication date: August 13, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Yasuhiro YAMASAKI
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Patent number: 10601601Abstract: An information processing system includes: a first information processing device including a transmission unit, the transmission unit being configured to transmit a dummy segment including dummy data, after sequentially transmitting transmission segments into which transmission data is divided; and a second information processing device configured to communicate with the first information processing device using a transmission control protocol, the second information processing device including a removal unit configured to remove the dummy segment and to set data including the transmission segments as the transmission data when the transmission segments and the dummy segment are received.Type: GrantFiled: July 16, 2018Date of Patent: March 24, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yasuhiro Yamasaki, Toshio Kawamura
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Patent number: 10414309Abstract: The method manufactures a vehicular seat member including a frame member and a foamed resin molded body to embed the frame member. Firstly the frame member is placed in a molding die so that the frame member extends along the outer shape of the vehicular seat member in plan view of the vehicular seat member. Next the foamed resin molded body is formed in the molding die so that the foamed resin molded body has a rim part embedding the frame member and having an outer shape of the vehicular seat member and an extension extending inward from the rim part so as to bridge the rim part inside of the rim part. During the forming, the method forms a break in the extension so as to divide the extension along the direction intersecting the extending direction of the extension.Type: GrantFiled: August 10, 2017Date of Patent: September 17, 2019Assignee: SEKISUI PLASTICS CO., LTD.Inventors: Kenta Noro, Yasuhiro Yamasaki, Yushi Sakakibara, Atsushi Fukuta
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Publication number: 20190245765Abstract: An object of the present invention is to avoid the situation where data to be transmitted have to be discarded, even when a network to which the data is to be transmitted is unavailable. The electronic control unit has: a determination part that executes a first determination process for determining whether a network to which data is to be transmitted is available or not; and a transmission part that executes a first transmission process for transmitting the data to the network when it is determined that the network is available, and executes a storage process for storing the data in a storage medium when it is determined that the network is unavailable. The electronic control unit executes the same processes for another network as well.Type: ApplicationFiled: January 2, 2019Publication date: August 8, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yasuhiro YAMASAKI, Toshio KAWAMURA, Nobuyuki NAKAGAWA, Yoshitaka KASEDA
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Publication number: 20190236856Abstract: An electronic control unit mounted on a vehicle includes a processor configured to: detect a connection request from an outside device; determine, in response to the connection request, whether or not a start condition for starting a connection authentication process is satisfied, the connection authentication process being a process for determining propriety of the connection request from the outside device; control a communication state between the outside device and the electronic control unit such that the communication state becomes a linkup state when the start condition is satisfied; and start the connection authentication process when the communication state is the linkup state.Type: ApplicationFiled: January 16, 2019Publication date: August 1, 2019Applicant: Toyota Jidosha Kabushiki KaishaInventors: Shu Ishizuka, Masashi Amesara, Toshio Kawamura, Yasuhiro Yamasaki
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Publication number: 20190230014Abstract: An electronic control unit that monitors a subject electronic control unit that is different from the electronic control unit and is connected to a network includes a transmitting unit that transmits a monitoring packet to the subject electronic control unit, an estimating unit that estimates a state of the subject electronic control unit, based on a reply packet transmitted from the subject electronic control unit in response to the monitoring packet, and a monitoring unit that monitors the subject electronic control unit, based on a monitoring policy selected according to a combination of the state of the subject electronic control unit estimated by the estimating unit, and the state of the electronic control unit.Type: ApplicationFiled: January 18, 2019Publication date: July 25, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shu ISHIZUKA, Yasuhiro YAMASAKI, Toshio KAWAMURA, Masashi AMESARA
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Patent number: D862608Type: GrantFiled: July 10, 2018Date of Patent: October 8, 2019Assignee: TOMY COMPANY, LTD.Inventors: Yasuhiro Yamasaki, Hiroyuki Matsukawa