Patents by Inventor Hideki Maeda

Hideki Maeda 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: 12647301
    Abstract: An on-board relay apparatus includes: a relaying unit configured to relay information between a plurality of on-board apparatuses belonging to mutually different virtual local area networks (VLANs); a detecting unit configured to detect that the on-board apparatuses have transitioned to a sleep state; and a notifying unit configured to, if it is detected by the detecting unit that a first on-board apparatus among the plurality of on-board apparatuses has transitioned to the sleep state, provide a second on-board apparatus among the plurality of on-board apparatuses with a sleep notification indicating that the first on-board apparatus has transitioned to the sleep state.
    Type: Grant
    Filed: June 20, 2022
    Date of Patent: June 2, 2026
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Yoshitaka Kikuchi, Takeshi Hagihara, Hirofumi Urayama, Hideki Maeda, Darmawan Go, Tomohiro Otsu
  • Publication number: 20260109999
    Abstract: The present invention provides methods and compositions for generation of mitochondria replaced cells (MirC), and therapeutic methods for using such compositions for treating a subject having an age-related disease or syndrome, mitochondrial disease or disorder, or otherwise in need of mitochondrial replacement. Also provided are methods and compositions for producing a recipient cell having a mitochondrial disease or disorder, as well as methods and compositions for producing or enhancing production of an inducible pluripotent stem cell (iPSC). In addition, methods and compositions to enhance mitochondrial transfer are also included.
    Type: Application
    Filed: October 23, 2024
    Publication date: April 23, 2026
    Inventors: Satoshi GOJO, Daisuke KAMI, Hideki MAEDA
  • Patent number: 12581223
    Abstract: An optical path route design device includes a transmission/reception route selection unit, a candidate selection unit, an existence judgement unit, a maximum resource 3R selection unit, and a new 3R selection unit. The design device selects relay stations in which two transmission/reception end points are arranged, selects a route pair of an active system-0 route and a standby system-1 route, which connects the transmission/reception end points with each other and does not overlap each other, and a backup third route detouring from the route pair via one or more relay stations, and arranges a resource amount of predetermined wavelengths in a shared 3R which is on the third route and shared by a plurality of route pairs.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: March 17, 2026
    Assignee: NTT, Inc.
    Inventors: Hiroki Date, Takeshi Seki, Takeshi Kawasaki, Hideki Maeda
  • Patent number: 12565145
    Abstract: An in-vehicle apparatus according to the present disclosure is an in-vehicle apparatus that is mounted in a vehicle and connected to another in-vehicle apparatus to be capable of communicating with the other in-vehicle apparatus via an in-vehicle network, the in-vehicle apparatus including: a control unit that controls communication with the other in-vehicle apparatus. When the control unit causes the in-vehicle apparatus to transition from a normal state to a sleep state, the control unit generates a notification message that is defined by AUTOSAR by including, in the notification message, a deactivation flag for causing the other in-vehicle apparatus to deactivate disconnection detection, and outputs the generated notification message.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: March 3, 2026
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Tomohiro Otsu, Takeshi Hagihara, Hirofumi Urayama, Hideki Maeda, Darmawan Go, Yoshitaka Kikuchi
  • Patent number: 12537809
    Abstract: An in-vehicle relay device to be connected to a plurality of in-vehicle devices mounted on a vehicle and an authentication device performing authentication of the in-vehicle device, to relay communication between the plurality of in-vehicle devices, the device including a control unit controlling the relay of the communication, in which the control unit relays authentication communication data for the authentication between the in-vehicle device and the authentication device before the authentication of the in-vehicle device connected to the in-vehicle relay device is completed, transmits and receives setting data for setting an in-vehicle network with the authentication device and the in-vehicle device, in parallel with the relay of the authentication communication data, acquires setting information of the in-vehicle network according to the transmitted setting data, from the authentication device, and starts relay based on the acquired setting information after the authentication is completed.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: January 27, 2026
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Hirofumi Urayama, Darmawan Go, Tomohiro Otsu, Yoshitaka Kikuchi, Takeshi Hagihara, Hideki Maeda, Tatsuya Izumi, Hideyuki Tanaka, Yusuke Yamamoto
  • Publication number: 20250392385
    Abstract: A data acquisitor of a monitoring device acquires a power value of a range including an entire wavelength of a target channel and acquires power values of ranges including parts of the wavelength of the target channel, from an optical channel monitor that measures power values of optical signals output from nodes.
    Type: Application
    Filed: February 25, 2022
    Publication date: December 25, 2025
    Inventors: Takashi KUBO, Hiroki DATE, Kohei WATANABE, Kenichi AOYAGI, Daisaku Shimazaki, Hideki Maeda
  • Publication number: 20250355814
    Abstract: A vehicle-mounted device includes a processor capable of setting three or more authority levels related to memory access, wherein a higher authority level than authority levels of an OS and an application is set for an abnormality notification function of notifying a memory access violation to an outside of the vehicle-mounted device.
    Type: Application
    Filed: May 1, 2023
    Publication date: November 20, 2025
    Applicants: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Hitoshi KONO, Hideki MAEDA
  • Patent number: 12463845
    Abstract: A vehicle-mounted relay device for relaying Ethernet frames includes a plurality of PHY units corresponding to a plurality of vehicle-mounted devices, a switch unit to which the plurality of PHY units are connected, and a control unit configured to monitor operating states of the plurality of PHY units. The plurality of PHY units include a predetermined PHY unit whose operating state switches between a sleep state and an active state in response to reception of a predetermined control signal that differs from the Ethernet frames. When an Ethernet frame to be transmitted from the predetermined PHY unit has been detected during a period where the predetermined PHY unit is in the sleep state, the control unit executes switching control to switch the predetermined PHY unit to the active state.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: November 4, 2025
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Darmawan Go, Tomohiro Otsu, Yoshitaka Kikuchi, Takeshi Hagihara, Hirofumi Urayama, Hideki Maeda
  • Patent number: 12424866
    Abstract: A power conversion system includes a converter, a current sensor, and a motor ECU. The converter is configured to boost a voltage by operating at a set carrier frequency. The current sensor detects a current flowing through the converter. The motor ECU executes control for protecting the converter. The motor ECU estimates a temperature rise amount of the converter according to at least one of the carrier frequency and a voltage ratio before and after boosting the converter, and a detected value of the current sensor, and executes control for suppressing the current flowing through the converter in a case where an integrated value of the temperature rise amount reaches a threshold.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: September 23, 2025
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Hideki Maeda
  • Patent number: 12384998
    Abstract: A cell dispensing device capable of efficiently dispensing cells while reducing the risk of mixing of bacteria or the like is provided. The cell dispensing device includes a first tube configured to connect a container and a dispensing container to each other, a syringe pump attached to a second tube connected to a branch portion formed in the first tube, and a buffer tank provided between the syringe pump and the branch portion. The cell suspension stored in the container is temporarily stored in the buffer tank and is delivered to the dispensing container by the syringe pump.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: August 12, 2025
    Assignee: Sinfonia Technology Co., Ltd.
    Inventors: Daichi Horii, Hiroyuki Uda, Hideki Maeda, Haruki Takeuchi
  • Patent number: 12325369
    Abstract: The in-vehicle management device includes: a detection unit configured to detect the presence of a target device that is an in-vehicle device that does not support a predetermined message among in-vehicle devices included in an in-vehicle network; and a control unit configured to perform control for causing the target device detected by the detection unit to transition to a sleep state when a state where the predetermined message from the in-vehicle devices does not arrive at the in-vehicle management device has continued for a predetermined period.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: June 10, 2025
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Tomohiro Otsu, Takeshi Hagihara, Hirofumi Urayama, Darmawan Go, Yoshitaka Kikuchi, Hideki Maeda, Tatsuya Izumi, Hideyuki Tanaka, Yusuke Yamamoto
  • Patent number: 12326785
    Abstract: A transmission side transmission device includes: a first transmitter including a first switch; and a second transmitter including a second switch. A main signal is input to either the first transmitter or the second transmitter. The main signal input to the first transmitter is a first main signal and the main signal input to the second transmitter is a second main signal. The first transmitter and the second transmitter are configured such that, when the first transmitter detects a fault in the input first main signal: the second transmitter outputs the input second main signal to the first transmitter; and the first transmitter outputs the input second main signal via a first selector.
    Type: Grant
    Filed: June 12, 2024
    Date of Patent: June 10, 2025
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Katsuhiro Araya, Hiroto Takechi, Yasutaka Sugano, Masahiro Yokota, Hideki Maeda
  • Publication number: 20250167888
    Abstract: An optical transmission system includes nodes connected to each other by optical transmission lines, and includes: monitoring parts each configured to collect signal information in time series at at least one signal collection point of a transmission end of a respective node, a reception end of the respective node, and a location at or between devices in the respective node; and an operation system configured to control the monitoring parts. The operation system extracts a component estimated to include a failure location by causing the monitoring parts to observe signal information on a reception end of a component, and, in the component, identifies the failure location by causing the monitoring parts to observe a temporal change of the signal information at the signal collection point to detect an abnormality.
    Type: Application
    Filed: February 25, 2022
    Publication date: May 22, 2025
    Inventors: Hiroki DATE, Takashi KUBO, Kohei WATANABE, Kenichi AOYAGI, Daisaku Shimazaki, Hideki Maeda
  • Patent number: 12255958
    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: Grant
    Filed: March 15, 2021
    Date of Patent: March 18, 2025
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Darmawan Go, Hideki Maeda, Takeshi Hagihara, Yosuke Shimizu, Tatsuya Izumi, Hirofumi Urayama, Masashi Amesara, Hisashi Furukawa, Shu Ishizuka, Hideki Goto
  • Publication number: 20250051710
    Abstract: A cell dispensing device capable of efficiently dispensing cells while reducing the risk of mixing of bacteria or the like is provided. The cell dispensing device includes a first tube configured to connect a container and a dispensing container to each other, a syringe pump attached to a second tube connected to a branch portion formed in the first tube, and a buffer tank provided between the syringe pump and the branch portion. The cell suspension stored in the container is temporarily stored in the buffer tank and is delivered to the dispensing container by the syringe pump.
    Type: Application
    Filed: October 29, 2024
    Publication date: February 13, 2025
    Applicant: Sinfonia Technology Co., Ltd.
    Inventors: Daichi Horii, Hiroyuki Uda, Hideki Maeda, Haruki Takeuchi
  • Publication number: 20250047618
    Abstract: A relay device relays communication. The relay device includes: a receiving unit that receives communication data from a communication device; a storage unit that stores the communication data received by the receiving unit; and a processing unit that performs processing. A first period and a second period are alternately set. The processing unit changes the total number of the first periods and the second periods included in a next predetermined period each time a predetermined period including the first periods and the second periods passes. The processing unit determines whether or not the communication data is stored in the storage unit. When it is determined that the communication data is stored in the storage unit, the processing unit specifies a period to which a communication determination time at which the determination has been performed belongs, from the first period and the second period.
    Type: Application
    Filed: June 23, 2022
    Publication date: February 6, 2025
    Inventors: Kazuyuki Inoue, Hideki Maeda, Takeshi Hagihara, Tadashi Matsumoto, Kazuki Kitagawa, Tatsuya Izumi, Hideyuki Tanaka, Yojiro Suyama
  • Publication number: 20240364674
    Abstract: An in-vehicle relay device to be connected to a plurality of in-vehicle devices mounted on a vehicle and an authentication device performing authentication of the in-vehicle device, to relay communication between the plurality of in-vehicle devices, the device including a control unit controlling the relay of the communication, in which the control unit relays authentication communication data for the authentication between the in-vehicle device and the authentication device before the authentication of the in-vehicle device connected to the in-vehicle relay device is completed, transmits and receives setting data for setting an in-vehicle network with the authentication device and the in-vehicle device, in parallel with the relay of the authentication communication data, acquires setting information of the in-vehicle network according to the transmitted setting data, from the authentication device, and starts relay based on the acquired setting information after the authentication is completed.
    Type: Application
    Filed: March 14, 2022
    Publication date: October 31, 2024
    Inventors: Hirofumi URAYAMA, Darmawan GO, Tomohiro OTSU, Yoshitaka KIKUCHI, Takeshi HAGIHARA, Hideki MAEDA, Tatsuya IZUMI, Hideyuki TANAKA, Yusuke YAMAMOTO
  • Publication number: 20240351520
    Abstract: An in-vehicle apparatus according to the present disclosure is an in-vehicle apparatus that is mounted in a vehicle and connected to another in-vehicle apparatus to be capable of communicating with the other in-vehicle apparatus via an in-vehicle network, the in-vehicle apparatus including: a control unit that controls communication with the other in-vehicle apparatus. When the control unit causes the in-vehicle apparatus to transition from a normal state to a sleep state, the control unit generates a notification message that is defined by AUTOSAR by including, in the notification message, a deactivation flag for causing the other in-vehicle apparatus to deactivate disconnection detection, and outputs the generated notification message.
    Type: Application
    Filed: May 25, 2022
    Publication date: October 24, 2024
    Applicants: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Tomohiro OTSU, Takeshi HAGIHARA, Hirofumi URAYAMA, Hideki MAEDA, Darmawan GO, Yoshitaka KIKUCHI
  • Publication number: 20240348472
    Abstract: A relay device includes: an upper port configured to receive an upper packet containing audio data of a plurality of channels; a plurality of lower ports configured to output lower packets containing audio data of one or a plurality of channels; and a generation unit configured to reconstruct the upper packet to generate the lower packets. The plurality of lower ports include a first lower port and a second lower port. The first lower port is a starting point of a first network. The second lower port is a starting point of a second network and does not share nodes with the first network. The generation unit deletes audio data of a channel to be reproduced in the second network from the audio data contained in the upper packet, to construct audio data to be contained in the lower packet to be outputted from the first lower port.
    Type: Application
    Filed: June 27, 2022
    Publication date: October 17, 2024
    Inventors: Hitoshi KONO, Hideki Maeda, Takeshi Hagihara, Ryo Yamane, Tatsuya Izumi, Hideyuki Tanaka
  • Publication number: 20240330112
    Abstract: A transmission side transmission device includes: a first transmitter including a first switch; and a second transmitter including a second switch. A main signal is input to either the first transmitter or the second transmitter. The main signal input to the first transmitter is a first main signal and the main signal input to the second transmitter is a second main signal. The first transmitter and the second transmitter are configured such that, when the first transmitter detects a fault in the input first main signal: the second transmitter outputs the input second main signal to the first transmitter; and the first transmitter outputs the input second main signal via a first selector.
    Type: Application
    Filed: June 12, 2024
    Publication date: October 3, 2024
    Inventors: Katsuhiro ARAYA, Hiroto TAKECHI, Yasutaka SUGANO, Masahiro YOKOTA, Hideki MAEDA