Patents by Inventor Shintaro Nakano

Shintaro Nakano 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: 10236353
    Abstract: A semiconductor device of an embodiment includes a first nitride semiconductor layer, a second nitride semiconductor layer located on the first nitride semiconductor layer and having a larger bandgap than the first nitride semiconductor layer, a first electrode on the second nitride semiconductor layer, a second electrode on the second nitride semiconductor layer, a gate electrode located between the first electrode and the second electrode, and a first insulating layer located at least between the gate electrode and the second electrode on the second nitride semiconductor layer, the first insulating layer being an oxide of at least one first element selected from the group consisting of Hf, Zr, and Ti, and containing 5×1019 cm?3 or more of at least one second element selected from the group consisting of F, H, D, V, Nb, and Ta, and 5×1019 cm?3 or more of at least one third element selected from the group consisting of N, P, As, Sb, Bi, Be, Mg, Ca, Sr, Ba, Sc, Y, and lanthanoids.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: March 19, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shintaro Nakano, Tatsuo Shimizu
  • Patent number: 10231270
    Abstract: A datacenter, a communication apparatus, a communication method, and a communication control method in a communication system are provided that can enhance the versatility of a datacenter and a virtual network constructed therein. A communication system includes: a plurality of wireless communication facilities owned by a plurality of network operators, respectively; and a datacenter in which a virtual core network is constructed, wherein the virtual core network implements mobile communication functions by using the plurality of wireless communication facilities.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: March 12, 2019
    Assignee: NEC CORPORATION
    Inventors: Shintaro Nakano, Hideo Hasegawa, Satoru Ishii
  • Publication number: 20190013967
    Abstract: A data center comprises a first gateway that connects with a terminal using a VPN (Virtual Private Network) through a wireless LAN and a first wide area network, a second gateway that connects to a second wide area network (WAN2), a virtual network connected to the first gateway and the second gateway; and a function block that is provided between the first gateway and the second gateway and that performs filtering of at least one of a packet input from the first wide area network side and a packet input from the second wide area network.
    Type: Application
    Filed: July 14, 2016
    Publication date: January 10, 2019
    Applicant: NEC CORPORATION
    Inventors: Satoru ISHII, Hideo HASEGAWA, Shintaro NAKANO
  • Publication number: 20190007236
    Abstract: The present invention provides secure communication between a data center, in which a wide area network (WAN) is interposed between the data center and a wireless LAN to which a terminal connects to, comprises a VPN apparatus (GW) that connects with the terminal using a VPN through the wide area network and the wireless LAN; and a virtual core network virtualizing at least a part of constituent elements of a core network, wherein the VPN apparatus is connected to the virtual core network, and the terminal communicates with a connection destination, from the VPN via the VPN apparatus, via the virtual core network, and further via a packet data network to which the virtual core network connects.
    Type: Application
    Filed: July 14, 2016
    Publication date: January 3, 2019
    Applicant: NEC CORPORATION
    Inventors: Satoru ISHII, Hideo HASEGAWA, Shintaro NAKANO
  • Publication number: 20180276768
    Abstract: An information processing apparatus includes a mode setting acceptance unit that accepts a setting of a time to control a plurality of devices, on the basis of a mode in which operation contents of the devices are set, and an execution unit that outputs the operation contents of the plurality of devices at the set time.
    Type: Application
    Filed: September 28, 2016
    Publication date: September 27, 2018
    Applicant: NEC Corporation
    Inventors: Yusuke MORI, Shintaro NAKANO, Satoru ISHII, Hideo HASEGAWA
  • Publication number: 20180249015
    Abstract: User identification information for identifying a user of a first terminal connecting to a communication network of a virtual communication operator via a communication network of a first communication operator is specified, and, based on the user identification information, charging for communication of the first terminal and charging for a service that the virtual communication operator is enabled to provide to the user identified by the user identification information are managed.
    Type: Application
    Filed: March 17, 2016
    Publication date: August 30, 2018
    Applicant: NEC CORPORATION
    Inventors: Shintaro NAKANO, Satoru ISHII, Hideo HASEGAWA
  • Publication number: 20180213472
    Abstract: A data center adapted to connect via a first wide area network to a core network connected with a base station and to a wireless LAN, variably controls service provided in a virtual core network of the data center to a terminal enabled to select connection to either a wireless LAN or a base station and connect to the data center.
    Type: Application
    Filed: August 3, 2016
    Publication date: July 26, 2018
    Applicant: NEC CORPORATION
    Inventors: Satoru ISHII, Hideo HASEGAWA, Shintaro NAKANO
  • Publication number: 20180070262
    Abstract: Traffic is allocated to a dedicated apparatus that performs a predetermined network function or a predetermined virtual network function corresponding to the predetermined network function of the dedicated apparatus, according to a service level set in correspondence with information relating to the traffic, and the traffic is forwarded to the dedicated apparatus or the predetermined virtual network function, based on a result of the allocation.
    Type: Application
    Filed: March 10, 2016
    Publication date: March 8, 2018
    Applicant: NEC CORPORATION
    Inventors: Shintaro NAKANO, Hideo HASEGAWA, Satoru ISHII
  • Publication number: 20180063877
    Abstract: A datacenter, a communication apparatus, a communication method, and a communication control method in a communication system are provided that can enhance the versatility of a datacenter and a virtual network constructed therein. A communication system includes: a plurality of wireless communication facilities owned by a plurality of network operators, respectively; and a datacenter in which a virtual core network is constructed, wherein the virtual core network implements mobile communication functions by using the plurality of wireless communication facilities.
    Type: Application
    Filed: March 3, 2016
    Publication date: March 1, 2018
    Applicant: NEC Corporation
    Inventors: Shintaro NAKANO, Hideo HASEGAWA, Satoru ISHII
  • Publication number: 20180054855
    Abstract: A first data center includes a first virtual network that provides a communication service in cooperation with at least a part of a communication facility of a first communication operator and a first communication unit that is operable to communicate with a second data center. The second data center includes a second virtual network that provides a communication service in cooperation with at least a part of a communication facility of a second communication operator and a second communication unit that is operable to communicate with the first data center. The first communication unit is operable to transmit to the second communication unit, communication data to be transmitted from a first terminal connecting to the first virtual network via a communication facility of the first communication operator to a second terminal connecting via a communication facility of the second communication operator to the second virtual network.
    Type: Application
    Filed: March 17, 2016
    Publication date: February 22, 2018
    Applicant: NEC CORPORATION
    Inventors: Shintaro NAKANO, Hideo HASEGAWA, Satoru ISHII
  • Publication number: 20180048523
    Abstract: A system according to this invention is directed to a virtual network system that selects a virtual network function of an appropriate version and prevents a malfunction of a virtual network when an operator is to provide a virtual network service based on virtual network functions. The virtual network system includes an instructor that instructs activation or change of a virtual network function preregistered and providing one of functions included in a virtual network service, a confirmation unit that confirms that the virtual network function instructed to be activated or changed is appropriate, based on version information added at a time of registering the virtual network function, and a setting unit that sets, when the confirmation unit confirms that the virtual network function instructed to be activated or changed is appropriate, the instructed virtual network function as the one of the functions included in the virtual network service.
    Type: Application
    Filed: January 14, 2016
    Publication date: February 15, 2018
    Applicant: NEC CORPORATION
    Inventors: Shintaro NAKANO, Hideo HASEGAWA, Satoru ISHII
  • Publication number: 20180039511
    Abstract: A datacenter, a communication apparatus, a communication method, and a communication control method in a communication system are provided that can enhance the versatility of a datacenter and a virtual network constructed therein. A communication system includes: a communication facility owned by at least one network operator; and a datacenter connected to the communication facility over a network, wherein the datacenter includes: a first virtual network that implements mobile communication functions by using the communication facility; a second virtual network that provides a cloud service; and a communication means, wherein the communication means includes: a reception means for receiving traffic from the communication facility; and a distributing means for distributing the received traffic to either the first virtual network or the second virtual network.
    Type: Application
    Filed: March 3, 2016
    Publication date: February 8, 2018
    Applicant: NEC CORPORATION
    Inventors: Shintaro NAKANO, Hideo HASEGAWA, Satoru ISHII
  • Publication number: 20180034801
    Abstract: A system according to this invention is directed to a virtual network system that prevents unauthorized registration, alteration, or occurrence of erroneous registration when registering a virtual network function produced by a third party or system vender. The virtual network system includes an acceptor that accepts a virtual network function performing one of functions included in a virtual network service and information of a provider providing the virtual network function from the provider, a first authenticator that authenticates, based on the virtual network function and the provider information, that the provider is a valid provider, and a registration unit that registers the virtual network function when the first authenticator authenticates that the provider is a valid provider.
    Type: Application
    Filed: January 14, 2016
    Publication date: February 1, 2018
    Applicant: NEC CORPORATION
    Inventors: Shintaro NAKANO, Hideo HASEGAWA, Satoru ISHII
  • Publication number: 20180026794
    Abstract: A system according to this invention is directed to a virtual network system that prevents unauthorized registration, alteration, or occurrence of erroneous registration even if an operator is to create a network system including a virtual network function produced by a third party.
    Type: Application
    Filed: January 14, 2016
    Publication date: January 25, 2018
    Applicant: NEC CORPORATION
    Inventors: Shintaro NAKANO, Hideo HASEGAWA, Satoru ISHII
  • Publication number: 20180020377
    Abstract: A datacenter, a communication apparatus, a communication method, and a communication control method in a communication system are provided that can enhance the versatility of a datacenter and a virtual network constructed therein. A communication system includes: a communication facility owned by at least one network operator; and a datacenter connected to the communication facility over a network, wherein the datacenter includes: a first virtual network that implements mobile communication functions by using the communication facility; a second virtual network that provides a cloud service; and a communication means, wherein the communication means includes: a reception means for receiving traffic from the communication facility; and a distributing means for distributing the received traffic to either the first virtual network or the second virtual network.
    Type: Application
    Filed: March 3, 2016
    Publication date: January 18, 2018
    Applicant: NEC CORPORATION
    Inventors: Shintaro NAKANO, Hideo HASEGAWA, Satoru ISHII
  • Patent number: 9871060
    Abstract: According to one embodiment, a semiconductor light emitting device includes a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, a third semiconductor layer. The third semiconductor is provided between the first semiconductor layer and the second semiconductor layer. A first transistor includes a first gate electrode and a first amorphous semiconductor layer. The first gate electrode and the first amorphous semiconductor layer overlap in a first direction. The first direction is from the first semiconductor layer toward the second semiconductor layer. The first gate electrode is provided between the second semiconductor layer and the first amorphous semiconductor layer.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: January 16, 2018
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Nobuyoshi Saito, Tomio Ono, Shigeya Kimura, Jumpei Tajima, Kentaro Miura, Shintaro Nakano, Yuya Maeda
  • Publication number: 20170365671
    Abstract: A semiconductor device of an embodiment includes a first nitride semiconductor layer, a second nitride semiconductor layer located on the first nitride semiconductor layer and having a larger bandgap than the first nitride semiconductor layer, a first electrode on the second nitride semiconductor layer, a second electrode on the second nitride semiconductor layer, a gate electrode located between the first electrode and the second electrode, and a first insulating layer located at least between the gate electrode and the second electrode on the second nitride semiconductor layer, the first insulating layer being an oxide of at least one first element selected from the group consisting of Hf, Zr, and Ti, and containing 5×1019 cm?3 or more of at least one second element selected from the group consisting of F, H, D, V, Nb, and Ta, and 5×1019 cm?3 or more of at least one third element selected from the group consisting of N, P, As, Sb, Bi, Be, Mg, Ca, Sr, Ba, Sc, Y, and lanthanoids.
    Type: Application
    Filed: February 17, 2017
    Publication date: December 21, 2017
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Shintaro NAKANO, Tatsuo SHIMIZU
  • Patent number: 9837549
    Abstract: According to one embodiment, an oxide semiconductor includes indium, gallium, and silicon. A concentration of the silicon in the oxide semiconductor is not less than 7 atomic percent and not more than 11 atomic percent.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: December 5, 2017
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Keiji Ikeda, Shintaro Nakano, Yuya Maeda, Tomomasa Ueda, Kentaro Miura, Nobuyoshi Saito, Tsutomu Tezuka
  • Patent number: 9831290
    Abstract: According to one embodiment, a semiconductor memory device includes first conductive layers extending in a first direction and stacked in a second direction intersecting the first direction, a first semiconductor layer extending in the second direction and including a material having one of a first conductivity type and a second conductivity type, a first insulation layer disposed inside the first semiconductor layer, a second conductive layer disposed inside the first insulation layer, and a variable resistance layer disposed between the first conductive layers and the first semiconductor layer.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: November 28, 2017
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Shuichi Toriyama, Kenichi Murooka, Shintaro Nakano, Tatsuya Ohguro
  • Patent number: 9818855
    Abstract: A semiconductor device according to an embodiment includes a first nitride semiconductor layer; a source electrode provided on the first nitride semiconductor layer; a drain electrode provided on the first nitride semiconductor layer; a gate electrode provided between the source electrode and the drain electrode; a first film provided between the source electrode and the gate electrode and between the gate electrode and the drain electrode; and a second film provided on the first film. The first film is provided on the first nitride semiconductor layer. The first film has a lower hydrogen diffusion coefficient than a hydrogen diffusion coefficient of a silicon oxide film.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: November 14, 2017
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hisashi Saito, Masahiko Kuraguchi, Tatsuo Shimizu, Shintaro Nakano