Patents by Inventor Takafumi Nakajima

Takafumi Nakajima 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: 11921245
    Abstract: A photon counting device includes a plurality of pixels each including a photoelectric conversion element configured to convert input light to charge, and an amplifier configured to amplify the charge converted by the photoelectric conversion element and convert the charge to a voltage, an A/D converter configured to convert the voltages output from the amplifiers of the plurality of pixels to digital values; and a conversion unit configured to convert the digital value output from the A/D converter to the number of photons by referring to reference data, for each of the plurality of pixels, and the reference data is created based on a gain and an offset value for each of the plurality of pixels.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: March 5, 2024
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tadashi Maruno, Eiji Toda, Mao Nakajima, Teruo Takahashi, Takafumi Higuchi
  • Patent number: 11818571
    Abstract: A communication apparatus acquires information about a communication-parameter setting process from a different communication apparatus and determines whether the acquired information includes identification information for identifying the different communication apparatus. If it is determined that the identification information is included, an authentication request is transmitted by unicast based on the identification information. If it is determined that the identification information is not included, the authentication request is transmitted by broadcast.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: November 14, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takafumi Nakajima
  • Publication number: 20230363058
    Abstract: A communication apparatus operating as a base station having a function of configuring a network is provided. The communication apparatus communicates with a control apparatus for controlling a network comprised of a plurality of base stations; the communication apparatus further establishes, with another base station belonging to the network, a link to be used for communication with the other base station; and the communication apparatus also notifies, in a case where a plurality of the links is established with the another base station, the control apparatus of establishment of the link.
    Type: Application
    Filed: July 12, 2023
    Publication date: November 9, 2023
    Inventor: Takafumi Nakajima
  • Patent number: 11812519
    Abstract: A communication apparatus operating as a base station having a function of configuring a network is provided. The communication apparatus communicates with a control apparatus for controlling a network comprised of a plurality of base stations; the communication apparatus further establishes, with another base station belonging to the network, a link to be used for communication with the other base station; and the communication apparatus also notifies, in a case where a plurality of the links is established with the another base station, the control apparatus of establishment of the link.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: November 7, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takafumi Nakajima
  • Patent number: 11758618
    Abstract: A communication apparatus operating as a base station having a function of configuring a network is provided. The communication apparatus communicates with a control apparatus for controlling a network comprised of a plurality of base stations; the communication apparatus further establishes, with another base station belonging to the network, a link to be used for communication with the other base station; and the communication apparatus also notifies, in a case where a plurality of the links is established with the another base station, the control apparatus of establishment of the link.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: September 12, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takafumi Nakajima
  • Patent number: 11729617
    Abstract: A communication apparatus executes an authentication process with a first other communication apparatus based on information acquired from an image obtained by capturing code information of the communication apparatus and receives, from the first other communication apparatus, first information shared between the first other communication apparatus and a second other communication apparatus. The communication apparatus transmits a search signal including second information based on the received first information and has a smaller amount of information than the first information, and transmits the first information to the second other communication apparatus in a case where a response signal in response to the search signal is received from the second other communication apparatus, and then executes a setting process for setting a communication parameter for communicating with the second other communication apparatus.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: August 15, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takafumi Nakajima
  • Publication number: 20220109989
    Abstract: A communication apparatus acquires information about a communication-parameter setting process from a different communication apparatus and determines whether the acquired information includes identification information for identifying the different communication apparatus. If it is determined that the identification information is included, an authentication request is transmitted by unicast based on the identification information. If it is determined that the identification information is not included, the authentication request is transmitted by broadcast.
    Type: Application
    Filed: December 14, 2021
    Publication date: April 7, 2022
    Inventor: Takafumi Nakajima
  • Patent number: 11228909
    Abstract: A communication apparatus acquires information about a communication-parameter setting process from a different communication apparatus and determines whether the acquired information includes identification information for identifying the different communication apparatus. If it is determined that the identification information is included, an authentication request is transmitted by unicast based on the identification information. If it is determined that the identification information is not included, the authentication request is transmitted by broadcast.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: January 18, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takafumi Nakajima
  • Publication number: 20210400691
    Abstract: A communication apparatus operable in both a base station mode and a terminal mode, determines whether spatial reuse communication is usable in a first wireless network to be connected in the terminal mode; and decides, based on determination that the spatial reuse communication is usable in the first wireless network, to disable a function concerning the spatial reuse communication in a second wireless network established in the base station mode.
    Type: Application
    Filed: September 3, 2021
    Publication date: December 23, 2021
    Inventor: Takafumi Nakajima
  • Publication number: 20210399830
    Abstract: A communication apparatus operable in both a base station mode and a terminal mode, obtains identification information of a first wireless network to be connected in the terminal mode; and establishes, when operating in the base station mode, a second wireless network having the same identification information as the obtained identification information.
    Type: Application
    Filed: September 2, 2021
    Publication date: December 23, 2021
    Inventor: Takafumi Nakajima
  • Publication number: 20210227611
    Abstract: A communication apparatus, which has a first communication function for executing communication in a first communication network and a second communication function for executing communication in a second communication network, controls, in a case where the apparatus is in connection with the first communication network, based on a characteristic of the first communication network, a connection to the second communication network in a state in which the connection with the first communication network is maintained.
    Type: Application
    Filed: January 14, 2021
    Publication date: July 22, 2021
    Inventor: Takafumi Nakajima
  • Publication number: 20210224495
    Abstract: A communication apparatus executes an authentication process with a first other communication apparatus based on information acquired from an image obtained by capturing code information of the communication apparatus and receives, from the first other communication apparatus, first information shared between the first other communication apparatus and a second other communication apparatus. The communication apparatus transmits a search signal including second information based on the received first information and has a smaller amount of information than the first information, and transmits the first information to the second other communication apparatus in a case where a response signal in response to the search signal is received from the second other communication apparatus, and then executes a setting process for setting a communication parameter for communicating with the second other communication apparatus.
    Type: Application
    Filed: April 7, 2021
    Publication date: July 22, 2021
    Inventor: Takafumi Nakajima
  • Publication number: 20210185751
    Abstract: A communication apparatus determines whether or not to also perform communication with a secondary base station, in addition to a master base station, for the data communication, measures a first quality, which is a quality of a signal received from the master base station, and a second quality, which is a quality of a signal received from the secondary base station, and transmits a measurement report including the first quality and the second quality to the master base station in a case where it is determined to also perform communication with the secondary base station, and transmits a measurement report including the first quality and not including the second quality to the master base station in a case where it is determined not to perform communication with the secondary base station.
    Type: Application
    Filed: March 1, 2021
    Publication date: June 17, 2021
    Inventor: Takafumi Nakajima
  • Publication number: 20210136847
    Abstract: A communication apparatus is provided which operates as a base station. The communication apparatus communicates with a control apparatus for controlling a network comprised of a plurality of base stations. The communication apparatus is one of the plurality of base stations that is part of the network. The communication apparatus establishes, with another base station belonging to the network, a link to be used for communication with the other base station; and notifies, in a case where a plurality of the links is established with the another base station, the control apparatus of establishment of the link.
    Type: Application
    Filed: October 26, 2020
    Publication date: May 6, 2021
    Inventor: Takafumi Nakajima
  • Publication number: 20210136868
    Abstract: A communication apparatus operating as a base station having a function of configuring a network is provided. The communication apparatus communicates with a control apparatus for controlling a network comprised of a plurality of base stations; the communication apparatus further establishes, with another base station belonging to the network, a link to be used for communication with the other base station; and the communication apparatus also notifies, in a case where a plurality of the links is established with the another base station, the control apparatus of establishment of the link.
    Type: Application
    Filed: October 23, 2020
    Publication date: May 6, 2021
    Inventor: Takafumi Nakajima
  • Patent number: 10984063
    Abstract: If first another communication device and second another communication device are wirelessly connected with one another on the basis of information acquired from a captured image, a communication device as a slave station connects with a wireless network constructed by the second another communication device as a base station, and makes communication for sharing a communication parameter with the second another communication device.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: April 20, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takafumi Nakajima
  • Patent number: 10972782
    Abstract: A communication apparatus is provided which acquires content held by an external apparatus based on information related to the content that is received from another communication apparatus and plays back the content. The communication apparatus further receives playback control information about the content from the other communication apparatus. Upon detecting a disconnection of a communication path between the communication apparatus and the other communication apparatus, the communication apparatus performs control in such a manner that a notification based on the disconnection of the communication path is issued to a user.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: April 6, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takafumi Nakajima
  • Patent number: 10660147
    Abstract: A communication apparatus which performs communication in a wireless LAN by operating as a base station or a terminal station of the wireless LAN determines, if currently connected to the wireless LAN as the terminal station when receiving the connection request from a first another apparatus, whether to cause the first another apparatus to connect to the currently connected wireless LAN. Then, the communication unit communicates with the first another apparatus via a second another apparatus which operates as the base station in the currently connected wireless LAN when determining to cause the first another apparatus to connect to the currently connected wireless LAN, and communicates with the first another apparatus not via the second another apparatus when determining not to cause the first another apparatus to connect to the currently connected wireless LAN.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: May 19, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Takafumi Nakajima
  • Patent number: 10555260
    Abstract: In a case where a communication apparatus is not connected to another communication apparatus operable as a providing apparatus for providing a wireless parameter for performing wireless communication to a receiving apparatus, when information is acquired from a captured image, the communication apparatus connects to the another communication apparatus, and notifies the another communication apparatus of apparatus information included in the information acquired from the image, as information about an apparatus operating as the receiving apparatus. The notification enables the another communication apparatus to provide the wireless parameter to an apparatus indicated by the apparatus information.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: February 4, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Takafumi Nakajima
  • Publication number: 20190357047
    Abstract: A communication apparatus acquires information about a communication-parameter setting process from a different communication apparatus and determines whether the acquired information includes identification information for identifying the different communication apparatus. If it is determined that the identification information is included, an authentication request is transmitted by unicast based on the identification information. If it is determined that the identification information is not included, the authentication request is transmitted by broadcast.
    Type: Application
    Filed: July 31, 2019
    Publication date: November 21, 2019
    Inventor: Takafumi Nakajima