Patents by Inventor Tatsuroh Saitoh

Tatsuroh Saitoh 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).

  • Publication number: 20240106620
    Abstract: Provided is a vehicle electronic system that includes: a first electronic device connected to a first communication network of a first communication standard; a second electronic device connected to a second communication network of a second communication standard; and a relay device connected to the first communication network and the second communication network. The relay device includes a relay device transmission unit that transmits, to the second electronic device, first time information indicating time synchronized in the first communication network.
    Type: Application
    Filed: August 25, 2023
    Publication date: March 28, 2024
    Inventors: Takumi Nomura, Tatsuroh Saitoh
  • Publication number: 20240106621
    Abstract: Provided is a vehicle control system that includes a first electronic device and a second electronic device. The first electronic device includes: a first timer unit; a generation unit that generates time information indicating time counted by the first timer unit; and a first transmission unit that transmits the time information to the second electronic device, and also transmits, to the second electronic device, elapsed time information indicating elapsed time from the start of generation of the time information till transmission of the time information generated. The second electronic device includes: a second timer unit; a reception unit; and an adjustment unit that adjusts time counted by the second timer unit based on the time information and the elapsed time information received by the reception unit.
    Type: Application
    Filed: August 25, 2023
    Publication date: March 28, 2024
    Inventors: Takumi Nomura, Tatsuroh Saitoh
  • Publication number: 20240106676
    Abstract: Provided is a vehicle control system that includes a first electronic device, a second electronic device, and a third electronic device. The first electronic device includes: a first electronic device transmission unit that transmits time information counted by a first electronic device timer unit and first elapsed time information that is from the start of generation of the time information till transmission of the time information generated. The second electronic device includes a second electronic device transmission unit that transmits the time information and the first elapsed time information received from the first electronic device to the third electronic device. The third electronic device includes an adjustment unit that adjusts time counted by a third electronic device timer unit based on the time information and the first elapsed time information received.
    Type: Application
    Filed: August 25, 2023
    Publication date: March 28, 2024
    Inventors: Takumi Nomura, Tatsuroh Saitoh
  • Publication number: 20230316819
    Abstract: A control device mounted on a vehicle includes a designation data acquisition unit that acquires designation data from an external device of the vehicle, the designation data designating vehicle data that is subjected to collection processing, a designation data storage unit that stores the designation data, a vehicle data collection unit that executes the collection processing to collect the vehicle data designated by the designation data, from the vehicle, and a transmission control unit that transmits the vehicle data collected by the vehicle data collection unit, to the external device through a communication device.
    Type: Application
    Filed: March 13, 2023
    Publication date: October 5, 2023
    Inventors: Kengo Fukuta, Satoshi Kamatani, Tatsuroh Saitoh, Ryuji Ito, Jun Ohashi
  • Publication number: 20230318861
    Abstract: An electronic communication system includes: a vehicle control unit that controls a functional unit mounted in a vehicle; and a higher-order control unit, wherein the vehicle control unit and the higher-order control unit are connected through a lower-order communication line, a plurality of the higher-order control units are connected to each other through a higher-order communication line, and the higher-order control unit starts up from a sleep state in response to receiving a first wake-up signal from the vehicle control unit through the lower-order communication line, determines a first transmission period, based on a time period required for another higher-order control unit connected to the higher-order control unit through the higher-order communication line to start up, and transmits a second wake-up signal to the another higher-order control unit at regular intervals of the determined first transmission period.
    Type: Application
    Filed: March 2, 2023
    Publication date: October 5, 2023
    Inventors: Tomoya Tokunaga, Tatsuroh Saitoh
  • Publication number: 20230318873
    Abstract: A vehicle communication system includes a plurality of ECUs connected by the communication network including a plurality of communication transmission lines. Each of the ECUs includes an identification unit that identifies a target ECU to be a communication partner, and a relay transmission line and a relay ECU through which communication with the target ECU is routed, a standby time determination unit that determines a transmission standby time based on information on the relay ECU, the transmission standby time being a time from transmission of an activation instruction to another one of the ECUs closest to the ECU along the relay transmission line to transmission of a control signal toward the target ECU, and a communication unit that transmits the control signal after an elapse of the transmission standby time after transmitting the activation instruction to the relay transmission line closest to the ECU.
    Type: Application
    Filed: March 22, 2023
    Publication date: October 5, 2023
    Inventors: Tatsuroh Saitoh, Tomoya Nishino, Hiroaki Hakukawa, Sora Nishigaki
  • Publication number: 20230298407
    Abstract: A control system includes a first electronic device, a second electronic device for receiving vehicle data related to the vehicle from the first electronic device, a communication device for transmitting the vehicle data received by the second electronic device to an external device of the vehicle, a determination unit for determining whether or not to transmit the vehicle data to the external device, and an imparting unit for imparting time data to the vehicle data to be transmitted to the external device in the case where the determination unit determines to transmit the vehicle data to the external device.
    Type: Application
    Filed: February 10, 2023
    Publication date: September 21, 2023
    Inventors: Tatsuroh Saitoh, Takumi Nomura
  • Publication number: 20230199490
    Abstract: In order to monitor communication by a frame column performed among electronic controllers, a communication monitoring device determines some or all of fields configuring a frame as an object section, extracts the object section as an attention section from the frame received from an in-vehicle network, and verifies validity of the received frame based on the attention section.
    Type: Application
    Filed: December 6, 2022
    Publication date: June 22, 2023
    Inventors: Takumi Nomura, Tomoya Kitano, Tatsuroh Saitoh, Shuji Tomimatsu, Sora Nishigaki
  • Publication number: 20230196848
    Abstract: A vehicle communication system includes a relay device that relays communication and a first communication bus and a second communication bus that connect between the relay device and vehicle control ECUs, and the relay device and the vehicle control ECUs perform communication of control data relating to a control operation for a vehicle by using the first communication bus and perform communication of the control data and/or communication of non-control data by using the second communication bus.
    Type: Application
    Filed: December 7, 2022
    Publication date: June 22, 2023
    Inventors: Shuji Tomimatsu, Tomoya Kitano, Tatsuroh Saitoh, Takumi Nomura, Sora Nishigaki