Patents by Inventor Kazuo Moritomo

Kazuo Moritomo 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: 20250233462
    Abstract: A power transmission apparatus includes a first power transmission unit configured to perform wireless power transmission to a power receiving apparatus in a first region by using at least one of a plurality of coils, a second power transmission unit configured to perform wireless power transmission to a power receiving apparatus in a second region by using at least one of the plurality of coils. In a case where, while the first power transmission unit performs wireless power transmission to a first power receiving apparatus in a common region where the first region and the second region overlap, a second power receiving apparatus is placed in a region of the first region other than the common region, the first power transmission unit stops the wireless power transmission to the first power receiving apparatus and the second power transmission unit performs wireless power transmission to the first power receiving apparatus.
    Type: Application
    Filed: April 4, 2025
    Publication date: July 17, 2025
    Inventors: TAKAHIRO SHICHINO, KAZUO MORITOMO, HAJIME IWASE, TOMOKI HIRAMATSU, HAJIME SHIMURA
  • Patent number: 12335825
    Abstract: A communication apparatus notifies an external device of position information, receives an identifier notified from the external device after notifying the position information, stores, after the identifier is received, the received identifier as management information for specifying a message that the communication apparatus is to subscribe to, and obtains, in a case where a message delivered from outside and associated with the identifier stored as the management information is received, information included in the received message.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: June 17, 2025
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Kazuo Moritomo
  • Patent number: 12322983
    Abstract: A power transmission apparatus includes a first power transmission unit configured to perform wireless power transmission to a power receiving apparatus in a first region by using at least one of a plurality of coils, a second power transmission unit configured to perform wireless power transmission to a power receiving apparatus in a second region by using at least one of the plurality of coils. In a case where, while the first power transmission unit performs wireless power transmission to a first power receiving apparatus in a common region where the first region and the second region overlap, a second power receiving apparatus is placed in a region of the first region other than the common region, the first power transmission unit stops the wireless power transmission to the first power receiving apparatus and the second power transmission unit performs wireless power transmission to the first power receiving apparatus.
    Type: Grant
    Filed: May 8, 2023
    Date of Patent: June 3, 2025
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takahiro Shichino, Kazuo Moritomo, Hajime Iwase, Tomoki Hiramatsu, Hajime Shimura
  • Publication number: 20250112505
    Abstract: A power transmission apparatus 101 includes a communication unit 206 configured to wirelessly communicate with a power reception apparatus using an antenna, a power transmission unit 203 configured to wirelessly transfer power to the power reception apparatus using the antenna, a detection unit 204 configured to measure at least either a voltage or a current output from the antenna in a period where the transfer of the power is stopped and the communication by the communication unit 206 is not performed, and determine that there is an object different from the power reception apparatus based on the result of the measurement, and a control unit 201 configured to, if there is determined to be the object different from the power reception apparatus, restrict the transfer of the power.
    Type: Application
    Filed: December 11, 2024
    Publication date: April 3, 2025
    Inventor: Kazuo Moritomo
  • Patent number: 12212160
    Abstract: A power transmission apparatus 101 includes a communication unit 206 configured to wirelessly communicate with a power reception apparatus using an antenna, a power transmission unit 203 configured to wirelessly transfer power to the power reception apparatus using the antenna, a detection unit 204 configured to measure at least either a voltage or a current output from the antenna in a period where the transfer of the power is stopped and the communication by the communication unit 206 is not performed, and determine that there is an object different from the power reception apparatus based on the result of the measurement, and a control unit 201 configured to, if there is determined to be the object different from the power reception apparatus, restrict the transfer of the power.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: January 28, 2025
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kazuo Moritomo
  • Publication number: 20240414783
    Abstract: A communication device mounted on a moving body, comprises: a first communication unit configured to receive a radio signal transmitted by a first wireless method; a second communication unit configured to perform wireless communication by a second wireless method. The communication device obtains an information element included in the radio signal received by the first communication unit; generates, by using the information element, a communication identifier to be used in the wireless communication by the second wireless method; adds the communication identifier to information concerning the moving body, and transmitting the information via the second communication unit; and receives a radio signal from an external device, to which the communication identifier is added, via the second communication unit.
    Type: Application
    Filed: June 21, 2024
    Publication date: December 12, 2024
    Inventor: Kazuo Moritomo
  • Publication number: 20230318362
    Abstract: A power transmission apparatus includes a first power transmission unit configured to perform wireless power transmission to a power receiving apparatus in a first region by using at least one of a plurality of coils, a second power transmission unit configured to perform wireless power transmission to a power receiving apparatus in a second region by using at least one of the plurality of coils. In a case where, while the first power transmission unit performs wireless power transmission to a first power receiving apparatus in a common region where the first region and the second region overlap, a second power receiving apparatus is placed in a region of the first region other than the common region, the first power transmission unit stops the wireless power transmission to the first power receiving apparatus and the second power transmission unit performs wireless power transmission to the first power receiving apparatus.
    Type: Application
    Filed: May 8, 2023
    Publication date: October 5, 2023
    Inventors: TAKAHIRO SHICHINO, KAZUO MORITOMO, HAJIME IWASE, TOMOKI HIRAMATSU, HAJIME SHIMURA
  • Publication number: 20230275473
    Abstract: A power transmission apparatus performs wireless power transmission to a power receiving apparatus using at least one of a plurality of coils including a first coil and a second coil disposed at a position closer to the first coil than a position separated from the first coil by a specific distance, and perform object detection by outputting one or more signal for object detection from one or more of the plurality of coils. Signals for object detection are not outputted at a same time from the first coil and the second coil.
    Type: Application
    Filed: May 8, 2023
    Publication date: August 31, 2023
    Inventors: KAZUO MORITOMO, HAJIME IWASE, TOMOKI HIRAMATSU, TAKAHIRO SHICHINO, HAJIME SHIMURA
  • Publication number: 20230275472
    Abstract: A power transmission apparatus performs object detection, perform wireless power transmission to the power receiving apparatus via at least one of a plurality of coils. The power transmission apparatus, in a power transfer phase, stops the wireless power transmission for a specific period and, in the specific period, outputs a signal for object detection from a coil that is from among the plurality of coils and is different from the at least one of the plurality of coils.
    Type: Application
    Filed: May 8, 2023
    Publication date: August 31, 2023
    Inventors: HAJIME SHIMURA, TAKAHIRO SHICHINO, KAZUO MORITOMO, HAJIME IWASE, TOMOKI HIRAMATSU
  • Publication number: 20230072416
    Abstract: A communication apparatus notifies an external device of position information, receives an identifier notified from the external device after notifying the position information, stores, after the identifier is received, the received identifier as management information for specifying a message that the communication apparatus is to subscribe to, and obtains, in a case where a message delivered from outside and associated with the identifier stored as the management information is received, information included in the received message.
    Type: Application
    Filed: July 14, 2022
    Publication date: March 9, 2023
    Inventor: Kazuo Moritomo
  • Patent number: 11553539
    Abstract: In a communication apparatus on a network where communication apparatuses perform direct communication with each other, a network management apparatus for managing the network based on message information transmitted and received on the network is determined. When the communication apparatus itself is determined as the network management apparatus, the apparatus collects information indicating device capabilities from other communication apparatuses. On the other hand, the communication apparatus receives information indicating device capabilities from another communication apparatus when the other communication apparatus is determined as the network management apparatus.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: January 10, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tatsuhiko Sakai, Kenichi Fujii, Mitsuhiro Watanabe, Kazuo Moritomo
  • Publication number: 20220385117
    Abstract: A power transmission apparatus 101 includes a communication unit 206 configured to wirelessly communicate with a power reception apparatus using an antenna, a power transmission unit 203 configured to wirelessly transfer power to the power reception apparatus using the antenna, a detection unit 204 configured to measure at least either a voltage or a current output from the antenna in a period where the transfer of the power is stopped and the communication by the communication unit 206 is not performed, and determine that there is an object different from the power reception apparatus based on the result of the measurement, and a control unit 201 configured to, if there is determined to be the object different from the power reception apparatus, restrict the transfer of the power.
    Type: Application
    Filed: August 10, 2022
    Publication date: December 1, 2022
    Inventor: Kazuo Moritomo
  • Patent number: 11509174
    Abstract: A power receiving apparatus comprises a power receiving unit that receives power transmitted wirelessly from a power transmitting apparatus, a communication unit that transmits, to the power transmitting apparatus, information regarding a received power received by the power receiving unit, and a control unit that determines whether or not it is necessary to update a reference value which is generated in the power transmitting apparatus on the basis of the information regarding the received power and is used for a detection of an object different from the power receiving apparatus by the power transmitting unit and requests the power transmitting apparatus to update the reference value when it is determined that it is necessary to update the reference value.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: November 22, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kazuo Moritomo
  • Patent number: 11503447
    Abstract: A power receiving apparatus includes a power receiving unit configured to wirelessly receive power from a power transmission apparatus, a communication unit configured to perform communication based on a standard of Near Field Communication (NFC), a detection unit configured to detect the power transmission apparatus, and a control unit configured to control the communication unit not to perform the communication based on the standard of NFC based on detection of the power transmission apparatus by the detection unit, wherein the power receiving unit receives power after the control unit controls the communication unit not to perform communication based on the standard of NFC.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: November 15, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kazuo Moritomo
  • Patent number: 11290434
    Abstract: A communication device capable of performing encrypted communication with other communication device with use of a common key, obtains, from the other communication device, a certificate including a public key and identification information on the other communication device, verifies validity of the certificate on a basis of the identification information on the other communication device included in the certificate, and transmits the common key encrypted by the public key to the other communication device to perform the encrypted communication in a case where the certificate is valid as a result of the verification.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: March 29, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Kazuo Moritomo
  • Publication number: 20210351629
    Abstract: A power receiving apparatus comprises a power receiving unit that receives power transmitted wirelessly from a power transmitting apparatus, a communication unit that transmits, to the power transmitting apparatus, information regarding a received power received by the power receiving unit, and a control unit that determines whether or not it is necessary to update a reference value which is generated in the power transmitting apparatus on the basis of the information regarding the received power and is used for a detection of an object different from the power receiving apparatus by the power transmitting unit and requests the power transmitting apparatus to update the reference value when it is determined that it is necessary to update the reference value.
    Type: Application
    Filed: April 22, 2021
    Publication date: November 11, 2021
    Inventor: Kazuo Moritomo
  • Publication number: 20210282198
    Abstract: In a communication apparatus on a network where communication apparatuses perform direct communication with each other, a network management apparatus for managing the network based on message information transmitted and received on the network is determined. When the communication apparatus itself is determined as the network management apparatus, the apparatus collects information indicating device capabilities from other communication apparatuses. On the other hand, the communication apparatus receives information indicating device capabilities from another communication apparatus when the other communication apparatus is determined as the network management apparatus.
    Type: Application
    Filed: May 24, 2021
    Publication date: September 9, 2021
    Inventors: Tatsuhiko Sakai, Kenichi Fujii, Mitsuhiro Watanabe, Kazuo Moritomo
  • Patent number: 11051347
    Abstract: In a communication apparatus on a network where communication apparatuses perform direct communication with each other, a network management apparatus for managing the network based on message information transmitted and received on the network is determined. When the communication apparatus itself is determined as the network management apparatus, the apparatus collects information indicating device capabilities from other communication apparatuses. On the other hand, the communication apparatus receives information indicating device capabilities from another communication apparatus when the other communication apparatus is determined as the network management apparatus.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: June 29, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tatsuhiko Sakai, Kenichi Fujii, Mitsuhiro Watanabe, Kazuo Moritomo
  • Publication number: 20210185503
    Abstract: A power receiving apparatus includes a power receiving unit configured to wirelessly receive power from a power transmission apparatus, a communication unit configured to perform communication based on a standard of Near Field Communication (NFC), a detection unit configured to detect the power transmission apparatus, and a control unit configured to control the communication unit not to perform the communication based on the standard of NFC based on detection of the power transmission apparatus by the detection unit, wherein the power receiving unit receives power after the control unit controls the communication unit not to perform communication based on the standard of NFC.
    Type: Application
    Filed: March 1, 2021
    Publication date: June 17, 2021
    Inventor: Kazuo Moritomo
  • Patent number: 10972890
    Abstract: A power receiving apparatus includes a power receiving unit configured to wirelessly receive power from a power transmission apparatus, a communication unit configured to perform communication based on a standard of Near Field Communication (NFC), a detection unit configured to detect the power transmission apparatus, and a control unit configured to control the communication unit not to perform the communication based on the standard of NFC based on detection of the power transmission apparatus by the detection unit, wherein the power receiving unit receives power after the control unit controls the communication unit not to perform communication based on the standard of NFC.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: April 6, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kazuo Moritomo