Patents by Inventor Chihiro Fujita

Chihiro Fujita 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: 11140549
    Abstract: To keep safety of a network and to facilitate connection to the network. An information processing apparatus comprises a communication unit and a control unit. The communication unit is directed for receiving a connection authentication request from a new device other than a plurality of devices configuring a network in which the plurality of devices make wireless communication on a one-to-one basis to be mutually connected. Further, the control unit is directed for transferring the connection authentication request to the plurality of devices in a case of receiving the connection authentication request, and for performing control to permit the new device to connect to the network on the basis of the responses to the connection authentication request from the plurality of devices.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: October 5, 2021
    Assignee: SONY CORPORATION
    Inventors: Natsuki Itaya, Kazuyuki Sakoda, Erika Saito, Kenzoh Nishikawa, Chihiro Fujita
  • Patent number: 11109324
    Abstract: There is provided a wireless communication apparatus and wireless communication method, which can perform information transfer, while suppressing interference to other terminal stations, and preventing a reduction of a transmission opportunity of other terminal stations. By causing the transmission power to be reduced, at the time when a traffic amount to be transmitted and received by itself increases, a terminal station which performs wireless access based on CSMA on a mesh network can suppress interference to other surrounding terminal stations, and can prevent a reduction of a transmission opportunity of other terminal stations. By measuring the number of and sizes of packets to be transmitted and received, it is possible for a terminal station to comprehend the traffic amount to be transmitted and received by itself, and perform a control of the transmission power by this.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: August 31, 2021
    Assignee: SONY CORPORATION
    Inventors: Chihiro Fujita, Kazuyuki Sakoda, Nobuhiko Watanabe, Yoshihiko Ikenaga
  • Patent number: 10749617
    Abstract: A system that acquires information from at least first and second electronic devices, the information indicating a quality of a wireless link between the at least first and second electronic devices; generates adjustment information indicating an adjustment of at least one of a position, orientation, antenna position or antenna direction of at least one of the first or second electronic devices to improve the quality of the wireless link between the first and second electronic devices; and controls outputting the adjustment information.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: August 18, 2020
    Assignee: SONY CORPORATION
    Inventors: Erika Saito, Natsuki Itaya, Kazuyuki Sakoda, Kenzoh Nishikawa, Chihiro Fujita
  • Publication number: 20200187131
    Abstract: There is provided a wireless communication apparatus and wireless communication method, which can perform information transfer, while suppressing interference to other terminal stations, and preventing a reduction of a transmission opportunity of other terminal stations. By causing the transmission power to be reduced, at the time when a traffic amount to be transmitted and received by itself increases, a terminal station which performs wireless access based on CSMA on a mesh network can suppress interference to other surrounding terminal stations, and can prevent a reduction of a transmission opportunity of other terminal stations. By measuring the number of and sizes of packets to be transmitted and received, it is possible for a terminal station to comprehend the traffic amount to be transmitted and received by itself, and perform a control of the transmission power by this.
    Type: Application
    Filed: February 19, 2020
    Publication date: June 11, 2020
    Inventors: CHIHIRO FUJITA, KAZUYUKI SAKODA, NOBUHIKO WATANABE, YOSHIHIKO IKENAGA
  • Patent number: 10608731
    Abstract: An information processing device that includes circuitry that stores first function information indicating at least a function of the information processing device; receives second function information indicating at least a function of another information processing device, and second positional information indicating a second positional of the another information processing device; determines a function to be performed from among the function of the information processing device and the function of the another information processing device, based on the first function information, the second function information, and the second positional information; performs the determined function in a case that the determined function is a function of the information processing device; and transmits a request to perform the determined function in a case that the determined function is a function of the another information processing device.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: March 31, 2020
    Assignee: SONY CORPORATION
    Inventors: Erika Saito, Kazuyuki Sakoda, Natsuki Itaya, Kenzoh Nishikawa, Chihiro Fujita
  • Patent number: 10602457
    Abstract: There is provided a wireless communication apparatus and wireless communication method, which can perform information transfer, while suppressing interference to other terminal stations, and preventing a reduction of a transmission opportunity of other terminal stations. By causing the transmission power to be reduced, at the time when a traffic amount to be transmitted and received by itself increases, a terminal station which performs wireless access based on CSMA on a mesh network can suppress interference to other surrounding terminal stations, and can prevent a reduction of a transmission opportunity of other terminal stations. By measuring the number of and sizes of packets to be transmitted and received, it is possible for a terminal station to comprehend the traffic amount to be transmitted and received by itself, and perform a control of the transmission power by this.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: March 24, 2020
    Assignee: SONY CORPORATION
    Inventors: Chihiro Fujita, Kazuyuki Sakoda, Nobuhiko Watanabe, Yoshihiko Ikenaga
  • Publication number: 20190379466
    Abstract: A system that acquires information from at least first and second electronic devices, the information indicating a quality of a wireless link between the at least first and second electronic devices; generates adjustment information indicating an adjustment of at least one of a position, orientation, antenna position or antenna direction of at least one of the first or second electronic devices to improve the quality of the wireless link between the first and second electronic devices; and controls outputting the adjustment information.
    Type: Application
    Filed: August 21, 2019
    Publication date: December 12, 2019
    Inventors: ERIKA SAITO, NATSUKI ITAYA, KAZUYUKI SAKODA, KENZOH NISHIKAWA, CHIHIRO FUJITA
  • Patent number: 10425174
    Abstract: A system that acquires information from at least first and second electronic devices, the information indicating a quality of a wireless link between the at least first and second electronic devices; generates adjustment information indicating an adjustment of at least one of a position, orientation, antenna position or antenna direction of at least one of the first or second electronic devices to improve the quality of the wireless link between the first and second electronic devices; and controls outputting the adjustment information.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: September 24, 2019
    Assignee: SONY CORPORATION
    Inventors: Erika Saito, Natsuki Itaya, Kazuyuki Sakoda, Kenzoh Nishikawa, Chihiro Fujita
  • Patent number: 10306268
    Abstract: There is provided an information processing device including an adjustment unit that adjusts respective lengths of delay times, which delay data transmission, for a plurality of different delay elements regarding the data transmission, so as to match with the longest delay time of the plurality of delay times or a predetermined time equal to or more than the longest delay time, and a setting unit that sets the respective plurality of delay times of which the lengths are adjusted by the adjustment unit in a processing unit which performs a process for the data transmission.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: May 28, 2019
    Assignee: Sony Corporation
    Inventors: Yoshinobu Kure, Hideaki Murayama, Tamotsu Munakata, Chihiro Fujita, Osamu Yoshimura
  • Publication number: 20190149222
    Abstract: An information processing device that includes circuitry that stores first function information indicating at least a function of the information processing device; receives second function information indicating at least a function of another information processing device, and second positional information indicating a second positional of the another information processing device; determines a function to be performed from among the function of the information processing device and the function of the another information processing device, based on the first function information, the second function information, and the second positional information; performs the determined function in a case that the determined function is a function of the information processing device; and transmits a request to perform the determined function in a case that the determined function is a function of the another information processing device.
    Type: Application
    Filed: January 16, 2019
    Publication date: May 16, 2019
    Inventors: ERIKA SAITO, KAZUYUKI SAKODA, NATSUKI ITAYA, KENZOH NISHIKAWA, CHIHIRO FUJITA
  • Publication number: 20190123838
    Abstract: A system that acquires information from at least first and second electronic devices, the information indicating a quality of a wireless link between the at least first and second electronic devices; generates adjustment information indicating an adjustment of at least one of a position, orientation, antenna position or antenna direction of at least one of the first or second electronic devices to improve the quality of the wireless link between the first and second electronic devices; and controls outputting the adjustment information.
    Type: Application
    Filed: December 18, 2018
    Publication date: April 25, 2019
    Inventors: ERIKA SAITO, NATSUKI ITAYA, KAZUYUKI SAKODA, KENZOH NISHIKAWA, CHIHIRO FUJITA
  • Publication number: 20190104483
    Abstract: There is provided a wireless communication apparatus and wireless communication method, which can perform information transfer, while suppressing interference to other terminal stations, and preventing a reduction of a transmission opportunity of other terminal stations. By causing the transmission power to be reduced, at the time when a traffic amount to be transmitted and received by itself increases, a terminal station which performs wireless access based on CSMA on a mesh network can suppress interference to other surrounding terminal stations, and can prevent a reduction of a transmission opportunity of other terminal stations. By measuring the number of and sizes of packets to be transmitted and received, it is possible for a terminal station to comprehend the traffic amount to be transmitted and received by itself, and perform a control of the transmission power by this.
    Type: Application
    Filed: November 15, 2018
    Publication date: April 4, 2019
    Inventors: CHIHIRO FUJITA, KAZUYUKI SAKODA, NOBUHIKO WATANABE, YOSHIHIKO IKENAGA
  • Patent number: 10218429
    Abstract: An information processing device that includes circuitry that: receives a signal from a first device; measures a signal strength of the signal received from the first device; determines whether the signal strength is less than a threshold; and in a case that the signal strength is determined to be less than the predetermined threshold, transmits to an second device an instruction signal such that, in response to the instruction signal, the second device moves to a position to relay the signal from the first device to the information processing device.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: February 26, 2019
    Assignee: SONY CORPORATION
    Inventors: Erika Saito, Kazuyuki Sakoda, Natsuki Itaya, Kenzoh Nishikawa, Chihiro Fujita
  • Patent number: 10205543
    Abstract: A system that acquires information from at least first and second electronic devices, the information indicating a quality of a wireless link between the at least first and second electronic devices; generates adjustment information indicating an adjustment of at least one of a position, orientation, antenna position or antenna direction of at least one of the first or second electronic devices to improve the quality of the wireless link between the first and second electronic devices; and controls outputting the adjustment information.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: February 12, 2019
    Assignee: SONY CORPORATION
    Inventors: Erika Saito, Natsuki Itaya, Kazuyuki Sakoda, Kenzoh Nishikawa, Chihiro Fujita
  • Publication number: 20180367993
    Abstract: To keep safety of a network and to facilitate connection to the network. An information processing apparatus comprises a communication unit and a control unit. The communication unit is directed for receiving a connection authentication request from a new device other than a plurality of devices configuring a network in which the plurality of devices make wireless communication on a one-to-one basis to be mutually connected. Further, the control unit is directed for transferring the connection authentication request to the plurality of devices in a case of receiving the connection authentication request, and for performing control to permit the new device to connect to the network on the basis of the responses to the connection authentication request from the plurality of devices.
    Type: Application
    Filed: October 3, 2016
    Publication date: December 20, 2018
    Inventors: NATSUKI ITAYA, KAZUYUKI SAKODA, ERIKA SAITO, KENZOH NISHIKAWA, CHIHIRO FUJITA
  • Patent number: 10154464
    Abstract: There is provided a wireless communication apparatus and wireless communication method, which can perform information transfer, while suppressing interference to other terminal stations, and preventing a reduction of a transmission opportunity of other terminal stations. By causing the transmission power to be reduced, at the time when a traffic amount to be transmitted and received by itself increases, a terminal station which performs wireless access based on CSMA on a mesh network can suppress interference to other surrounding terminal stations, and can prevent a reduction of a transmission opportunity of other terminal stations. By measuring the number of and sizes of packets to be transmitted and received, it is possible for a terminal station to comprehend the traffic amount to be transmitted and received by itself, and perform a control of the transmission power by this.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: December 11, 2018
    Assignee: Sony Corporation
    Inventors: Chihiro Fujita, Kazuyuki Sakoda, Nobuhiko Watanabe, Yoshihiko Ikenaga
  • Patent number: 10123249
    Abstract: There is provided a method for generation and management of communication paths between a plurality of information processing devices are properly performed. An information processing device is equipped with a communication unit and a control unit to perform the method. The communication unit exchanges a signal for generation or updating of a multi-hop communication path using wireless communication with another information processing device. In addition, the control unit performs control for delaying a timing at which path information regarding a communication path set through the exchange of the signal for generation and updating of the multi-hop communication path is confirmed with reference to a reception timing of the signal.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: November 6, 2018
    Assignee: SONY CORPORATION
    Inventors: Kazuyuki Sakoda, Nobuhiko Watanabe, Chihiro Fujita, Yoshihiko Ikenaga
  • Patent number: 10085290
    Abstract: Provided is a wireless communication device including: a first wireless interface configured to send a first wireless signal having directivity; a second wireless interface; and a controller configured to allow the second wireless interface to establish a connection with a first device when a second wireless signal received by the second wireless interface includes an indicator indicating that the first wireless signal is received by the first device being a sending source device of the second wireless signal.
    Type: Grant
    Filed: May 14, 2014
    Date of Patent: September 25, 2018
    Assignee: SONY CORPORATION
    Inventor: Chihiro Fujita
  • Patent number: 10085068
    Abstract: To perform an appropriate data transmission rate control. An information processing apparatus is an information processing apparatus that receives a stream for outputting image information from another information processing apparatus through wireless communications, and includes a wireless communication unit and a control unit. The wireless communication unit performs communications with the other information processing apparatus for exchanging capability information on the information processing apparatus and capability information on the other information processing apparatus. The control unit performs a stream data transmission rate control relating to the other information processing apparatus, according to the capability information on the other information processing apparatus, radio propagation measurement information on communications with the other information processing apparatus, and usage of the information processing apparatus.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: September 25, 2018
    Assignee: SONY CORPORATION
    Inventors: Hideki Iwami, Masanori Sato, Osamu Yoshimura, Yasushi Katayama, Sho Amano, Chihiro Fujita
  • Patent number: 10075898
    Abstract: Generation and management of a communication path between a plurality of information processing devices are properly performed. An information processing device is equipped with a communication unit and a control unit. The communication unit performs exchange of a signal for generating or updating of a multi-hop communication path using wireless communication with another information processing device. In addition, the control unit performs control for updating path information regarding the communication path set through the exchange of the signal for generating or updating of the multi-hop communication path before the path information is destroyed.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: September 11, 2018
    Assignee: SONY CORPORATION
    Inventors: Nobuhiko Watanabe, Kazuyuki Sakoda, Chihiro Fujita, Yoshihiko Ikenaga