Patents by Inventor Tatsuya Izumi

Tatsuya Izumi 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).

  • Patent number: 11799991
    Abstract: Provided is a relay device including: a relay unit configured to perform a relay process for a frame transmitted and received between a plurality of function units; and a relay management unit. The relay unit receives, from a function unit, a target frame which is transmitted and received according to a predetermined communication protocol and includes information with which a request source of a service is identifiable and information with which a content of the requested service is identifiable, and the relay unit outputs the received target frame to the relay management unit. The relay management unit performs determination regarding setting change in the relay process of the relay unit, on the basis of the information included in the target frame received from the relay unit, and outputs the target frame to the relay unit or discards the target frame, according to a result of the determination.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: October 24, 2023
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD.
    Inventors: Yusuke Yamamoto, Hideyuki Tanaka, Tatsuya Izumi, Takeshi Hagihara, Darmawan Go
  • Publication number: 20230335339
    Abstract: A multilayer ceramic capacitor includes a multilayer body including laminated dielectric layers, internal electrode layers on the dielectric layers, first and second main surfaces opposed to each other in a lamination direction, first and second lateral surfaces opposed to each other in a width direction orthogonal or substantially orthogonal to the lamination direction, and first and second end surfaces opposed to each other in a length direction orthogonal or substantially orthogonal to the lamination direction and the width direction, and a first external electrode on the first main surface and a second external electrode on the second main surface, in which a portion or all of the internal electrode layers are not connected to any of the first external electrode or the second external electrode.
    Type: Application
    Filed: March 17, 2023
    Publication date: October 19, 2023
    Inventors: Yuu MIKAMI, Tatsuya IZUMI
  • Publication number: 20230307187
    Abstract: A multilayer electronic component that includes a stacked body having therein a plurality of dielectric layers including a CZ-based perovskite phase and an element M2, a plurality of internal electrode layers including Ni, and an interface layer including the element M2 in at least a portion of an interface with the plurality of internal electrode layers. Element M2 is an element that has a binding energy between the CZ-based perovskite phase and Ni via the element M2 of less than or equal to ?12.3 eV by first-principles calculation using a pseudopotential method. When amounts of elements included in the dielectric layers are expressed as parts by mol, a ratio m2 of an amount of the element M2 to an amount of the Zr in the interface layer is 0.03?m2?0.25.
    Type: Application
    Filed: June 2, 2023
    Publication date: September 28, 2023
    Inventors: Tatsuya IZUMI, Tomotaka HIRATA
  • Patent number: 11710600
    Abstract: A multilayer electronic component that includes a stacked body having therein a plurality of dielectric layers including a CZ-based perovskite phase and an element M1, a plurality of internal electrode layers including Cu, and an interface layer including the element M1 in at least a portion of an interface with the plurality of internal electrode layers. Element M1 is an element that has a binding energy between CZ and Cu via the element M1 of less than or equal to ?9.8 eV by first-principles calculation using a pseudopotential method. When amounts of elements included in the dielectric layers are expressed as parts by mol, a ratio m1 of an amount of the element M1 to an amount of the Zr in the interface layer is 0.03?m1?0.25.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: July 25, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Tatsuya Izumi, Tomotaka Hirata
  • Publication number: 20230195445
    Abstract: An on-board device includes a processing unit, and a storage unit storing a plurality of programs that are executable by the processing unit, in which the processing unit acquires information relevant to the presence or absence of update that is provided from a server outside a vehicle, stores the acquired information relevant to the presence or absence of the update in a sharing area by executing an input/output function that is different from an input/output function included in a basic program, and selectively executes the basic program or an update processing program after starting execution of a boot program, on the basis of the stored information relevant to the presence or absence of the update.
    Type: Application
    Filed: March 16, 2021
    Publication date: June 22, 2023
    Inventors: Kentaro ASHIBE, Tatsuya IZUMI, Ichiro KANDA
  • Publication number: 20230179659
    Abstract: A plurality of communication units of an on-board relay device include a remote communication unit to which a communication device outside a vehicle for communicating with an external server is connected, and a local communication unit to which a diagnostic device is connected, and a control unit of the on-board relay device performs lower layer side control for relay based on a lower side layered protocol in communication, and upper layer side control for relay based on an upper side layered protocol rather than the lower side layered protocol, and performs adjustment processing with respect to a conflict of a plurality of maintenance processings by the upper layer side control when information relevant to the plurality of maintenance processings with respect to any one on-board ECU of a plurality of on-board ECUs is input through the local communication unit and the remote communication unit.
    Type: Application
    Filed: March 15, 2021
    Publication date: June 8, 2023
    Inventors: Darmawan GO, Hideki MAEDA, Takeshi HAGIHARA, Yosuke SHIMIZU, Tatsuya IZUMI, Hirofumi URAYAMA, Masashi AMESARA, Hisashi FURUKAWA, Shu ISHIZUKA, Hideki GOTO
  • Publication number: 20230142079
    Abstract: A switch device includes: a plurality of communication ports; a switch unit configured to relay a frame, which has been transmitted from a function unit and to which information including an ID of a VLAN and priority information is added, to another function unit via a communication port, according to the priority information; and a duplication unit configured to, when the diagnosis device is connected to another switch device, duplicate the frame to be relayed via a designated communication port, thereby generating a duplicate frame for diagnosis. The duplication unit is able to set the priority information to be added to the duplicate frame for diagnosis, separately from the priority information to be added to the frame as an original. The switch unit outputs the duplicate frame for diagnosis, from a communication port corresponding to the other switch device, according to the priority information set by the duplication unit.
    Type: Application
    Filed: February 2, 2021
    Publication date: May 11, 2023
    Applicants: Sumitomo Electric Industries, Ltd., Sumitomo Wiring Systems, Ltd., Autonetworks Technologies, Ltd., Toyota Jidosha Kabushiki Kaisha,
    Inventors: Akihito IWATA, Tatsuya IZUMI, Hirofumi URAYAMA, Tadashi MATSUMOTO, Hideki MAEDA, Darmawan GO, Takeshi HAGIHARA, Masashi AMESARA, Hisashi FURUKAWA, Shu ISHIZUKA, Hideki GOTO
  • Publication number: 20230147005
    Abstract: An onboard device includes: a communication unit configured to communicate with an onboard device included in an onboard network; a detection unit configured to detect a new onboard device that is an onboard device newly added to the onboard network; and a sleep processing unit configured to, in a detected state where the new onboard device has been detected by the detection unit, transmit a sleep request for transitioning to a sleep state in synchronization with an onboard device included in the onboard network, to the new onboard device via the communication unit.
    Type: Application
    Filed: March 15, 2021
    Publication date: May 11, 2023
    Inventors: Yosuke SHIMIZU, Kentaro ASHIBE, Takeshi HAGIHARA, Daiki NAKAYAMA, Tatsuya IZUMI
  • Publication number: 20230141041
    Abstract: A switch device includes a plurality of communication ports; a switch unit configured to relay a frame, which has been transmitted from a function unit and to which information including an ID of a VLAN is added, to another function unit via a communication port; and a duplication unit configured to, when the diagnosis device is connected to another switch device, duplicate the frame to be relayed via a designated communication port among the plurality of communication ports, and generate a duplicate frame for diagnosis that is a frame obtained by adding, to a duplicate frame obtained through the duplication, specific information indicating that the duplicate frame for diagnosis should be transmitted to the diagnosis device. The switch unit outputs the duplicate frame for diagnosis generated by the duplication unit from a communication port corresponding to the other switch device.
    Type: Application
    Filed: February 2, 2021
    Publication date: May 11, 2023
    Applicants: Sumitomo Electric Industries, Ltd., Sumitomo Wiring Systems, Ltd., Autonetworks Technologies, Ltd., Toyota Jidosha Kabushiki Kaisha,
    Inventors: Akihito IWATA, Tatsuya IZUMI, Hirofumi URAYAMA, Tadashi MATSUMOTO, Darmawan GO, Hideki MAEDA, Takeshi HAGIHARA, Masashi AMESARA, Hisashi FURUKAWA, Shu ISHIZUKA, Hideki GOTO
  • Publication number: 20230095760
    Abstract: An on-vehicle relay device comprises a control unit selectively executing a control program stored in a storage or an update processing program, and the control unit specifies, in executing the control program, a first communication unit to which any one of the on-vehicle ECUs as a relay destination is connected with reference to network configuration information stored in a storage, specifying, in executing the update processing program, a second communication unit for communicating with an external device that performs update-related processing of the control program with reference to network configuration information stored in the storage; and prohibiting communication through a communication unit other than the specified communication unit.
    Type: Application
    Filed: March 8, 2021
    Publication date: March 30, 2023
    Inventors: Darmawan GO, Hideki MAEDA, Takeshi HAGIHARA, Tatsuya IZUMI, Ichiro KANDA
  • Publication number: 20220406525
    Abstract: A multilayer ceramic capacitor includes internal electrode layers and dielectric layers laminated alternately, and external electrodes on end surfaces. The internal electrode layers extend in a length direction and a width direction. The dielectric layers include about 100 moles or more and about 101 moles or less of Ca with respect to 100 moles of Zr. One side in the length direction of the internal electrode layers is connected to one of the external electrodes. Another side of the internal electrode layers is not connected to the external electrodes. A length at a middle portion in the width direction of the internal electrode layers is defined as L1, and a length at an end portion in the width direction is defined as L2, the internal electrode layers include a curved end side extending in the width direction so that L2<L1 is satisfied.
    Type: Application
    Filed: June 8, 2022
    Publication date: December 22, 2022
    Inventor: Tatsuya IZUMI
  • Publication number: 20220393894
    Abstract: An in-vehicle communication system, comprises: a first in-vehicle communication device and a second in-vehicle communication device transmitting and receiving a signal to and from each other by a predetermined communication protocol related to Ethernet® (registered trademark), wherein the first in-vehicle communication device includes a PHY unit having a communication circuit, and a determination processing unit for determining whether or not the second in-vehicle communication device is in a link-down sleep state, when determined that the second in-vehicle communication device is in the sleep state, the PHY unit outputs a predetermined signal to the second in-vehicle communication device, and the second in-vehicle communication device includes a PHY unit having a communication circuit, a detection circuit for detecting the predetermined signal input to the PHY unit, and a power supply circuit for waking up the PHY unit when the detection circuit detects the predetermined signal.
    Type: Application
    Filed: August 13, 2020
    Publication date: December 8, 2022
    Inventors: Yuanjun XIAN, Takeshi HAGIHARA, Makoto MASHITA, Nobuyuki KOBAYASHI, Takehiro KAWAUCHI, Tatsuya IZUMI, Akihito WATA, Yusuke YAMAMOTO
  • Publication number: 20220377142
    Abstract: Provided is a relay device including: a relay unit configured to perform a relay process for a frame transmitted and received between a plurality of function units; and a relay management unit. The relay unit receives, from a function unit, a target frame. When a content of the target frame satisfies a predetermined condition, the relay management unit stores, in the target frame, position information which is information regarding a position, in the in-vehicle network, of a function unit as a request source of a service related to the target frame or a function unit as a request destination of the service related to the target frame, and outputs the target frame having the position information stored therein, to the relay unit. The relay unit transmits the target frame received from the relay management unit, to a function unit which is a destination of the target frame.
    Type: Application
    Filed: September 10, 2020
    Publication date: November 24, 2022
    Applicants: Sumitomo Electric Industries, Ltd., Sumitomo Wiring Systems, Ltd., Autonetworks Technologies, Ltd.
    Inventors: Yusuke YAMAMOTO, Hideyuki TANAKA, Tatsuya IZUMI, Takeshi HAGIHARA, Darmawan GO
  • Publication number: 20220374372
    Abstract: An in-vehicle communication device for transmitting and receiving a signal by a predetermined communication protocol related to Ethernet® (registered trademark), the in-vehicle communication device comprising: a control circuit configured to generate transmission data including interrupt data inserted into an inter-frame gap between Ethernet frames; and a PHY unit having a communication circuit configured to convert the transmission data generated by the control circuit into a signal and transmit the signal.
    Type: Application
    Filed: August 13, 2020
    Publication date: November 24, 2022
    Inventors: Yuanjun XIAN, Takeshi HAGIHARA, Makoto MASHITA, Nobuyuki KOBAYASHI, Takehiro KAWAUCHI, Tatsuya IZUMI, Akihito IWATA, Yusuke YAMAMOTO
  • Publication number: 20220355750
    Abstract: Provided is a relay device including: a relay unit configured to perform a relay process for a frame transmitted and received between the function units; and a relay management unit. The relay unit receives, from a function unit, a target frame which is transmitted and received according to a predetermined communication protocol and includes information with which a request source of a service is identifiable and information with which a content of the requested service is identifiable, duplicates target data which is at least a part of the received target frame, outputs the duplicated target data to the relay management unit, and relays the received target frame to another function unit. The relay management unit performs determination regarding setting change in the relay process of the relay unit, on the basis of the target data received from the relay unit.
    Type: Application
    Filed: September 10, 2020
    Publication date: November 10, 2022
    Applicants: Sumitomo Electric Industries, Ltd., Sumitomo Wiring Systems, Ltd., Autonetworks Technologies, Ltd.
    Inventors: Yusuke YAMAMOTO, Hideyuki TANAKA, Tatsuya IZUMI, Takeshi HAGIHARA, Darmawan GO
  • Publication number: 20220360648
    Abstract: Provided is a relay device including: a relay unit configured to perform a relay process for a frame transmitted and received between a plurality of function units; and a relay management unit. The relay unit receives, from a function unit, a target frame which is transmitted and received according to a predetermined communication protocol and includes information with which a request source of a service is identifiable and information with which a content of the requested service is identifiable, and the relay unit outputs the received target frame to the relay management unit. The relay management unit performs determination regarding setting change in the relay process of the relay unit, on the basis of the information included in the target frame received from the relay unit, and outputs the target frame to the relay unit or discards the target frame, according to a result of the determination.
    Type: Application
    Filed: September 10, 2020
    Publication date: November 10, 2022
    Applicants: Sumitomo Electric Industries, Ltd., Sumitomo Wiring Systems, Ltd., Autonetworks Technologies, Ltd.
    Inventors: Yusuke YAMAMOTO, Hideyuki TANAKA, Tatsuya IZUMI, Takeshi HAGIHARA, Darmawan GO
  • Patent number: 11416237
    Abstract: A control apparatus includes a switching unit configured to switch a state of a first and a second on-vehicle power supply to a power or a non-power supplying state, an acquisition unit configured to acquire operation information indicating whether the control device is in an operating or non-operating state, and a control unit configured to execute, in a case where a combination of the first and the second power supply is changed from a first to a second pattern, start-up control to determine a state in the second pattern, of an on-vehicle control device suppliable with power from the first power supply, based on the operation information in the first pattern. The first pattern is the first power supply in the power supplying state and the second power supply in the non-power supplying state. The second pattern in the first and second power supplies are in the power supplying state.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: August 16, 2022
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Akihiro Ogawa, Tatsuya Izumi
  • Publication number: 20220239528
    Abstract: In a system including a plurality of in-vehicle networks, information regarding the network configuration of function units connected to different types of transmission paths can be easily used. A relay device includes: an acquisition unit configured to acquire second function unit information of the function unit connected to the second transmission path, the second function unit information being function unit information that includes information regarding a network configuration of a layer of a lower order than an application layer; and a conversion unit configured to perform a conversion process of converting the second function unit information acquired by the acquisition unit into information that is able to be registered into a database of one or a plurality of pieces of first function unit information being function unit information of one or a plurality of the function units each connected to a corresponding first transmission path.
    Type: Application
    Filed: April 30, 2020
    Publication date: July 28, 2022
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD.
    Inventors: Yusuke YAMAMOTO, Hideyuki TANAKA, Tatsuya IZUMI, Yojiro SUYAMA, Takeshi HAGIHARA, Darmawan GO
  • Publication number: 20220231910
    Abstract: An information of a network to which a new function unit has been added is easily acquired. A relay device installed in a vehicle includes: a detection unit configured to detect a new function unit being a function unit that is newly added to a network including an existing function unit being one or a plurality of function units; a relay unit configured to relay a frame between the function units; and an acquisition unit configured to acquire, from the frame, relayed by the relay unit, between the new function unit detected by the detection unit and the existing function unit, function unit information that includes information regarding a network configuration of a layer of a lower order than an application layer, the function unit information being of at least one of the new function unit and the existing function unit.
    Type: Application
    Filed: July 3, 2020
    Publication date: July 21, 2022
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD.
    Inventors: Yojiro SUYAMA, Hideyuki TANAKA, Tatsuya IZUMI, Yusuke YAMAMOTO, Takeshi HAGIHARA, Darmawan GO, Yosuke SHIMIZU
  • Patent number: 11374787
    Abstract: 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: Grant
    Filed: August 1, 2019
    Date of Patent: June 28, 2022
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetwork Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Akihito Iwata, Hideyuki Tanaka, Hideki Maeda, Tatsuya Izumi, Takeshi Hagihara, Yasuhiro Yabuuchi, Yasuhiro Yamasaki, Hiroya Ando, Toshio Kawamura, Hirofumi Urayama