Patents by Inventor Koji Akita

Koji Akita 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: 20220200711
    Abstract: According to one embodiment, an electronic apparatus includes a processor configured to estimate positions of a plurality of wireless devices from a plurality of position candidates based on position candidate information indicating the plurality of position candidates of the wireless devices, first communication information related to communication using a first electromagnetic wave between the plurality of wireless devices, and second communication information related to communication using a second electromagnetic wave between the plurality of wireless devices.
    Type: Application
    Filed: September 8, 2021
    Publication date: June 23, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Daisuke UCHIDA, Takafumi SAKAMOTO, Koji AKITA, Yuki YONEZAWA, Yukako TSUTSUMI
  • Publication number: 20220137598
    Abstract: According to one embodiment, an electronic apparatus instructs an operation of at least a part of a control target device via wireless communication. The electronic apparatus comprises a processor configured to acquire communication quality information of the wireless communication between the electronic apparatus and the control target device, acquire first information indicating a degree or a risk that can be caused by the operation, and generate a control signal instructing the operation based on the communication quality information and the first information.
    Type: Application
    Filed: September 13, 2021
    Publication date: May 5, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Koji AKITA, Tomoya TANDAI, Miyuki OGURA, Ryoko MATSUO, Kohei ONIZUKA, Toshihisa NABETANI
  • Publication number: 20220116108
    Abstract: According to one embodiment, a wireless base station includes a transmitter and a receiver. The transmitter transmits a control signal and one or more operation signals to the second wireless communication terminal. The control signal instructs to transmit a signal that requests terminal-to-terminal communication between a first wireless communication terminal and the second wireless communication terminal. The operation signals are used for operating at least a part of the first wireless communication terminal. The receiver is capable of receiving at least one of a response signal or a data signal transmitted from the first wireless communication terminal to the second wireless communication terminal after the operation signals are transmitted.
    Type: Application
    Filed: September 9, 2021
    Publication date: April 14, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ryoko MATSUO, Miyuki OGURA, Koji AKITA, Tomoya TANDAI, Toshihisa NABETANI, Tsuyoshi KOGAWA
  • Publication number: 20220076557
    Abstract: According to one embodiment, an electronic apparatus includes: a processor configured to: generate a control plan indicating an operation of at least a part of a control target apparatus during a predetermined duration; determine a first control plan associated with a portion of the control plan; generate a first control signal including the control plan and a second control signal including the first control plan; and command to transmit the first control signal by using a first wireless resource, and transmit the second control signal by using a second wireless resource different from the first wireless resource.
    Type: Application
    Filed: March 5, 2021
    Publication date: March 10, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Koji AKITA, Tomoya TANDAI, Miyuki OGURA, Ryoko MATSUO
  • Publication number: 20220066419
    Abstract: According to one embodiment, a system includes a processor and a transmitter. The processor is configured to generate a first control signal including a first instruction to operate at least part of a terminal with in a first validity and generate a second control signal including a second instruction to operate at least part of the terminal within a second validity period after an operation of the at least part of the terminal in accordance with the first instruction. The transmitter is configured to transmit the first control signal to the terminal at first timing and transmit the second control signal to the terminal at second timing after the first timing. An end of the first validity period is after the second validity timing.
    Type: Application
    Filed: March 8, 2021
    Publication date: March 3, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomoya TANDAI, Toshihisa NABETANI, Koji AKITA, Miyuki OGURA, Ryoko MATSUO
  • Publication number: 20220007317
    Abstract: According to one embodiment, an electronic apparatus controls an operation of a control target device. The electronic apparatus is configured to generate a first timing signal, to delay the first timing signal by a first time and to generate a second timing signal for defining a transmission timing of control data related to control of the operation of the control target device, to transmit a data signal including the control data based on the second timing signal, to receive the data signal and to generate a third timing signal for a notification of reception of the data signal, and, to generate a fourth timing signal indicating a control timing of the control target device based on the control data, based on the third timing signal.
    Type: Application
    Filed: March 10, 2021
    Publication date: January 6, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroyuki KITAGAWA, Koji AKITA, Yukako TSUTUMI
  • Patent number: 11210881
    Abstract: According to one embodiment, when a control unit is notified of information in at least one second signal received by one of first and second wireless communication units after the control unit provides the second wireless communication unit with a command to transmit a first signal containing first address information and before a waiting time elapses and when the at least one second signal contains second address information assigned to an authentication apparatus having received the first signal, then the control unit provides the first wireless communication unit with a command to transmit a third signal for a connection request with the second address information set in a destination address.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: December 28, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomoko Adachi, Seiichiro Horikawa, Koji Akita, Ryoko Matsuo
  • Patent number: 11200768
    Abstract: According to one embodiment, when a control unit is notified of information in at least one second signal received by one of first and second wireless communication units after the control unit provides the second wireless communication unit with a command to transmit a first signal containing first address information and before a waiting time elapses and when the at least one second signal contains second address information assigned to an authentication apparatus having received the first signal, then the control unit provides the first wireless communication unit with a command to transmit a third signal for a connection request with the second address information set in a destination address.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: December 14, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomoko Adachi, Seiichiro Horikawa, Koji Akita, Ryoko Matsuo
  • Patent number: 11147025
    Abstract: According to one embodiment, an electronic apparatus includes receiver circuitry, transmitter circuitry, and processor circuitry. The receiver circuitry receives a first signal including first data via a first frequency band. The transmitter circuitry starts transmission of a second signal via at least a part of the first frequency band. The processor circuitry reduces interference caused by the second signal to receive the first signal. The processor circuitry increases a power of the second signal until reducing the interference becomes stable for the first time since the transmitter circuitry has started transmission of the second signal.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: October 12, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Daiki Yoda, Koji Akita, Daisuke Uchida, Tamio Kawaguchi
  • Publication number: 20210273639
    Abstract: According to one embodiment, in electronic apparatus, controller generates first and second control signals to control first and second controlled unit. First serial converter multiplexes the first and second control signals into first serial signal. First wireless transmitter transmits the first serial signal by first wireless signal in a chronologically continuous manner. First wireless receiver receives the first wireless signal. First parallel converter separates the first and second control signals from the first wireless signal received by first wireless receiver, to output the first control signal to first controlled unit, and to output the second control signal to second controlled unit.
    Type: Application
    Filed: September 15, 2020
    Publication date: September 2, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yukako TSUTSUMI, Koji AKITA, Hiroyuki KITAGAWA
  • Publication number: 20210203370
    Abstract: According to one embodiment, an electronic apparatus includes a receiver and a signal addition circuit. The receiver receives a reception signal of a first frequency band. The signal addition circuit is configured to input the reception signal and a calibration signal of a second frequency band which is different from the first frequency band to the receiver.
    Type: Application
    Filed: September 9, 2020
    Publication date: July 1, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventor: Koji AKITA
  • Publication number: 20210127452
    Abstract: According to one embodiment, an electronic apparatus includes a transmitter and a processor. The transmitter transmits a signal to a first electronic apparatus with one of patterns including at least a first pattern which is a first order and which uses first to n-th frequency bands in first to n-th periods and a second pattern which is a second order different from the first order and which uses the first to n-th frequency bands in the first to n-th periods, where n is an integer greater than or equal to two. The processor switches a pattern to be used among the patterns in accordance with a communication situation.
    Type: Application
    Filed: September 8, 2020
    Publication date: April 29, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Daisuke UCHIDA, Koji AKITA, Takafumi SAKAMOTO
  • Patent number: 10989780
    Abstract: According to one embodiment, a magnetic resonance imaging system includes a magnetic resonance imaging apparatus and a receiving coil unit. The apparatus includes first circuitry which transmits an RF pulse based on a first clock. The coil unit includes clock generating circuitry, a receiving coil and first conversion circuitry. The clock generating circuitry generates a second clock. The first conversion circuitry samples a magnetic resonance signal in accordance with the second clock. The coil unit further includes generation circuitry which generates shift information regarding a difference between the first clock and the second clock, and shift correction circuitry which corrects the sampled magnetic resonance signal by using the shift information.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: April 27, 2021
    Assignee: Canon Medical Systems Corporation
    Inventors: Daisuke Uchida, Koji Akita
  • Patent number: 10962613
    Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a wireless communication unit, a radio frequency (RF) coil, and a specifying unit. The wireless communication unit includes an antenna and that transmits and receives a wireless signal through the antenna. The RF coil includes one or more antennas and that receives the wireless signal and to respond to the received wireless signal through the one or more antennas. The specifying unit that specifies the position and the orientation of the RF coil on the basis of a response result indicated by the response from the RF coil.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: March 30, 2021
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Sadanori Tomiha, Koji Akita, Hideo Kasami, Kazuya Okamoto
  • Patent number: 10965350
    Abstract: According to one embodiment, an electronic device comprises a first antenna includes first antenna elements on a first planar substrate, a second antenna includes second antenna elements on a second planar substrate, an orientation of the second planar substrate being different from an orientation of the first planar substrate, and a circuit that forms a first beam pattern using the first antenna elements, forms a second beam pattern using the second antenna elements, and forms a first combined beam pattern using some of the first antenna elements and some of the second antenna elements.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: March 30, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventor: Koji Akita
  • Publication number: 20210083727
    Abstract: According to one embodiment, an electronic device comprises a first antenna includes first antenna elements on a first planar substrate, a second antenna includes second antenna elements on a second planar substrate, an orientation of the second planar substrate being different from an orientation of the first planar substrate, and a circuit that forms a first beam pattern using the first antenna elements, forms a second beam pattern using the second antenna elements, and forms a first combined beam pattern using some of the first antenna elements and some of the second antenna elements.
    Type: Application
    Filed: March 11, 2020
    Publication date: March 18, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventor: Koji AKITA
  • Publication number: 20210083382
    Abstract: An electronic device comprises first and second array antennas, and first and second wireless communication devices. An orientation of the first array antenna is different from an orientation of the second array antenna. A frequency band of the second wireless communication device is lower than a frequency band of the first wireless communication device. An electromagnetic wave power of the second wireless communication device is larger than an electromagnetic wave power of the first wireless communication device. A size or distance of antenna elements of the second array antenna is larger than a size or distance of antenna elements of the first array antenna.
    Type: Application
    Filed: October 19, 2020
    Publication date: March 18, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Koji AKITA, Toshihisa NABETANI
  • Patent number: 10847882
    Abstract: According to one embodiment, an electronic device comprises first and second array antennas, and first and second wireless communication devices. An orientation of the first array antenna is different from an orientation of the second array antenna. A frequency band of the second wireless communication device is lower than a frequency band of the first wireless communication device. An electromagnetic wave power of the second wireless communication device is larger than an electromagnetic wave power of the first wireless communication device. A size or distance of antenna elements of the second array antenna is larger than a size or distance of antenna elements of the first array antenna.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: November 24, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Koji Akita, Toshihisa Nabetani
  • Patent number: 10823796
    Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes processing circuitry. The processing circuitry acquires a B1 sensitivity map of an imaging region that includes a subject. The processing circuitry sets a reference value in the B1 sensitivity map. The processing circuitry estimates an error generated when calculating a B1 map setting value based on the B1 sensitivity map, by using the reference value and the B1 sensitivity map. The processing circuitry calculates an amplitude and a phase of an RF pulse based on the error.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: November 3, 2020
    Assignee: Canon Medical Systems Corporation
    Inventors: Koji Akita, Daisuke Uchida
  • Publication number: 20200334932
    Abstract: According to one embodiment, when a control unit is notified of information in at least one second signal received by one of first and second wireless communication units after the control unit provides the second wireless communication unit with a command to transmit a first signal containing first address information and before a waiting time elapses and when the at least one second signal contains second address information assigned to an authentication apparatus having received the first signal, then the control unit provides the first wireless communication unit with a command to transmit a third signal for a connection request with the second address information set in a destination address.
    Type: Application
    Filed: July 6, 2020
    Publication date: October 22, 2020
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomoko ADACHI, Seiichiro HORIKAWA, Koji AKITA, Ryoko MATSUO