Patents by Inventor Takahiro Yamazaki

Takahiro Yamazaki 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: 11500759
    Abstract: An information processing system is provided. The information processing system generates a program so as to output a hash value calculated based on a hash value calculation instruction included in a source code for generating the program, determines a set of analysis support information associated with the hash value calculation instruction and the hash value calculated based on the hash value calculation instruction, stores the set of the analysis support information and the hash value, stores at least a part of one or more hash values output as a result of execution of the program, and outputs, by using at least the part of the stored hash value, the analysis support information that makes the set with the hash value.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: November 15, 2022
    Assignee: NINTENDO CO., LTD.
    Inventors: Takahiro Yamazaki, Kiyoto Suzuki
  • Publication number: 20220359691
    Abstract: A semiconductor device with favorable electrical characteristics is provided. A semiconductor device with stable electrical characteristics is provided. The semiconductor device includes a first insulating layer, a second insulating layer, a third insulating layer, a fourth insulating layer, a semiconductor layer, and a first conductive layer. The second insulating layer is positioned over the first insulating layer and the island-shaped semiconductor layer is positioned over the second insulating layer. The second insulating layer has an island shape having an end portion outside a region overlapping with the semiconductor layer. The fourth insulating layer covers the second insulating layer, the semiconductor layer, the third insulating layer, and the first conductive layer, is in contact with part of a top surface of the semiconductor layer, and is in contact with the first insulating layer outside the end portion of the second insulating layer.
    Type: Application
    Filed: July 18, 2022
    Publication date: November 10, 2022
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Shunpei YAMAZAKI, Masami JINTYOU, Takahiro IGUCHI, Yukinori SHIMA, Kenichi OKAZAKI
  • Publication number: 20220352355
    Abstract: An object is to provide a high reliability thin film transistor using an oxide semiconductor layer which has stable electric characteristics. In the thin film transistor in which an oxide semiconductor layer is used, the amount of change in threshold voltage of the thin film transistor before and after a BT test is made to be 2 V or less, preferably 1.5 V or less, more preferably 1 V or less, whereby the semiconductor device which has high reliability and stable electric characteristics can be manufactured. In particular, in a display device which is one embodiment of the semiconductor device, a malfunction such as display unevenness due to change in threshold voltage can be reduced.
    Type: Application
    Filed: July 13, 2022
    Publication date: November 3, 2022
    Inventors: Shunpei YAMAZAKI, Takahiro TSUJI, Kunihiko SUZUKI
  • Patent number: 11482626
    Abstract: A semiconductor device with favorable electrical characteristics is provided. A semiconductor device having stable electrical characteristics is provided. The semiconductor device includes a semiconductor layer containing a metal oxide, a first insulating layer, a second insulating layer, a third insulating layer containing a nitride, and a first conductive layer. The first insulating layer includes a projecting first region that overlaps with the semiconductor layer and a second region that does not overlap with the semiconductor layer and is thinner than the first region. The second insulating layer is provided to cover a top surface of the second region, a side surface of the first region, and the semiconductor layer. The first conductive layer is provided over the second insulating layer and a bottom surface of the first conductive layer over the second region includes a portion positioned below a bottom surface of the semiconductor layer.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: October 25, 2022
    Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Shunpei Yamazaki, Kenichi Okazaki, Masami Jintyou, Takahiro Iguchi, Yukinori Shima
  • Publication number: 20220325659
    Abstract: Provided is an air leading type stratified scavenging two-stroke internal combustion engine including an air passage configured to allow supply of air to a scavenging passage configured to allow communication between a crank chamber and a combustion chamber, at least one sensor configured to detect an operating condition of an engine, and a fuel valve configured to control fuel supply to the air passage based on detection performed by the at least one sensor. The fuel supply to the air passage is controlled by the fuel valve at times other than start and idling of the engine or at needed times in addition to the start or the idling of the engine.
    Type: Application
    Filed: September 24, 2020
    Publication date: October 13, 2022
    Inventors: Yuta KOBAYASHI, Takahiro YAMAZAKI
  • Patent number: 11451479
    Abstract: A network load balancing apparatus has a data buffer provided to each communication path of transfer destinations of a received packet and being associated with a virtual function, determines a destination virtual function based on a field value of the received packet, determines a communication path of a transfer destination of a packet to be subject to priority control based on a first hash value calculated using the field value, determines a communication path of a transfer destination of a packet to be subject to load balancing control, to match a preset load balancing situation of the data buffer, based on a second hash value based on the first hash value, and transmits the packet to a data buffer corresponding to the destination virtual function and the communication path of the transfer destination.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: September 20, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Saki Hatta, Shoko Oteru, Tomoaki Kawamura, Koji Yamazaki, Takahiro Hatano
  • Patent number: 11442301
    Abstract: In a display unit, a display cell and a backlight device are provided in a bracket. A support member is arranged on the side of a display screen of the display unit, and the support member is provided with a support piece that can be elastically deformed in a front-rear direction. The front panel is bonded to the bracket of the display unit by a first adhesive layer and is bonded to the support piece by a second adhesive layer.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: September 13, 2022
    Assignee: ALPINE ELECTRONICS, INC.
    Inventors: Makoto Yamazaki, Takahiro Akamura
  • Patent number: 11438890
    Abstract: A wireless communication method is executed by a wireless communication system including one or more wireless terminals and a wireless communication apparatus. The wireless communication apparatus generates wireless scheme schedule information, which is information related to a schedule of a slot allocated to an uplink signal and a downlink signal of a predetermined wireless scheme, generates a downlink signal to be transmitted in the slot to the wireless terminal based on the wireless scheme schedule information, and transmits a beacon signal including the wireless scheme schedule information in the slot. The wireless terminal receives the beacon signal, in the slot, acquires the wireless scheme schedule information from the beacon signal, and generates an uplink signal to be transmitted in the slot to the wireless communication apparatus, based on the wireless scheme schedule information.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: September 6, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yohei Katayama, Atsushi Taniguchi, Kenji Shimizu, Takahiro Yamazaki, Maiko Naya
  • Patent number: 11432179
    Abstract: An environmental information acquisition method is performed by an environmental information acquisition apparatus that acquires a measurement result of a radio wave environment. The environmental information acquisition method includes distributing software of each radio scheme to one or more base station apparatuses measuring a radio wave environment of the radio scheme based on the software of the radio scheme, instructing the one or more base station apparatuses to measure the radio wave environment, and acquiring the measurement result of the radio wave environment from the one or more base station apparatuses measuring based on the software the radio wave environment in multiple sections set across an area.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: August 30, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Maiko Naya, Kenji Shimizu, Takahiro Yamazaki, Atsushi Taniguchi, Yohei Katayama
  • Patent number: 11424334
    Abstract: A semiconductor device with favorable electrical characteristics is provided. A semiconductor device with stable electrical characteristics is provided. The semiconductor device includes a first insulating layer, a second insulating layer, a third insulating layer, a fourth insulating layer, a semiconductor layer, and a first conductive layer. The second insulating layer is positioned over the first insulating layer and the island-shaped semiconductor layer is positioned over the second insulating layer. The second insulating layer has an island shape having an end portion outside a region overlapping with the semiconductor layer. The fourth insulating layer covers the second insulating layer, the semiconductor layer, the third insulating layer, and the first conductive layer, is in contact with part of a top surface of the semiconductor layer, and is in contact with the first insulating layer outside the end portion of the second insulating layer.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: August 23, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Masami Jintyou, Takahiro Iguchi, Yukinori Shima, Kenichi Okazaki
  • Patent number: 11419113
    Abstract: There is provided a wireless communication method in a wireless communication system including a plurality of base station apparatuses, a plurality of wireless signal processing apparatuses configured to perform signal processing that corresponds to each of a plurality of wireless schemes, and a control apparatus configured to control a transmission timing of signals in the base station apparatus and the wireless signal processing apparatus, the method including: determining a combination of the base station apparatus and the wireless signal processing apparatus that perform communication at each predetermined time by the control apparatus such that there is less overlap in time to establish a communication path between the wireless signal processing apparatus and each of a plurality of base station apparatuses that use the same wireless signal processing apparatus, in which the base station apparatus and the wireless signal processing apparatus perform communication by switching a determined combination of t
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: August 16, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yohei Katayama, Atsushi Taniguchi, Kenji Shimizu, Takahiro Yamazaki, Maiko Naya
  • Patent number: 11412445
    Abstract: An access point management method for managing a plurality of access points capable of providing wireless communication services in accordance with a plurality of wireless standards to a radio terminal apparatus includes acquiring plural pieces of request information which are used for requesting providing of the wireless communication service and include information indicating an area in which the wireless communication service is provided, selecting the access point assigned to each wireless communication service, based on the area requested by the plural pieces of request information acquired and characteristics of a wireless standard provided in the wireless communication service, and transmitting a request signal for deploying the wireless communication service corresponding to the request information, to the access point selected.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: August 9, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takahiro Yamazaki, Kenji Shimizu, Atsushi Taniguchi, Yohei Katayama, Maiko Naya
  • Publication number: 20220246596
    Abstract: A display device having a narrow bezel region is provided. The display device includes a first layer and a second layer. The first layer includes a source driver and one part of a sensor, and the second layer includes a gate driver, a plurality of pixels, and the other part of the sensor. The plurality of pixels include a pixel in which a light-emitting element emits light and a pixel having a function of the gate driver. An opening portion where the one part of the sensor is formed and a first terminal connected to the source driver are provided on the top surface of the first layer, and a second terminal is provided on the opposite side of the surface where the pixels included in the second layer are arranged. The first terminal is bonded to the second terminal, so that they are electrically connected to each other and the sensor is formed.
    Type: Application
    Filed: June 12, 2020
    Publication date: August 4, 2022
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei YAMAZAKI, Hideaki SHISHIDO, Koji KUSUNOKI, Takahiro FUKUTOME
  • Patent number: 11406016
    Abstract: A wiring substrate includes a core layer, first conductor layers including a first inner conductor layer, a first outer conductor layer and a first intermediate conductor layer, second conductor layers including a second inner conductor layer, a second outer conductor layer and a second intermediate conductor layer, and interlayer insulating layers interposed between the first conductor layers and between the second conductor layers. The first and/or second inner conductor layers has a first laminated structure including a metal foil layer and a plating film layer, the first and/or second outer conductor layers has the first laminated structure, and the first and/or second intermediate conductor layers has a second laminated structure including a metal foil layer and a plating film layer and includes a conductor pattern formed such that an upper surface of the conductor pattern has an edge portion forming an inclined portion inclined toward the core layer.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: August 2, 2022
    Assignee: IBIDEN CO., LTD.
    Inventors: Takenobu Nakamura, Takahiro Yamazaki, Takashi Yamauchi, Toshihide Makino
  • Publication number: 20220235731
    Abstract: Provided is an engine working apparatus capable of smoothly decelerating an engine. The engine working apparatus includes: an internal combustion engine including a piston reciprocally movable in a cylinder and a combustion chamber defined by the piston; an ignition plug configured to ignite air-fuel mixture in the combustion chamber; a detector configured to detect a rotation number of the internal combustion engine; and a controller configured to control an ignition timing of the ignition plug based on the detected rotation number, execute feedback control of determining the ignition timing based on a deviation between a target rotation number and the detected rotation number, and to execute the feedback control when the detected rotation number satisfies a predetermined deceleration condition.
    Type: Application
    Filed: January 25, 2022
    Publication date: July 28, 2022
    Inventors: Yuta Kobayashi, Takahiro Yamazaki, Yuichi Tsuyuki, Kohsuke Watanabe
  • Publication number: 20220231056
    Abstract: A protective circuit includes a non-linear element, which includes a gate electrode, a gate insulating layer covering the gate electrode, a pair of first and second wiring layers whose end portions overlap with the gate electrode over the gate insulating layer and in which a second oxide semiconductor layer and a conductive layer are stacked, and a first oxide semiconductor layer which overlaps with at least the gate electrode and which is in contact with the gate insulating layer, side face portions and part of top face portions of the conductive layer and side face portions of the second oxide semiconductor layer in the first wiring layer and the second wiring layer. Over the gate insulating layer, oxide semiconductor layers with different properties are bonded to each other, whereby stable operation can be performed as compared with Schottky junction. Thus, the junction leakage can be decreased and the characteristics of the non-linear element can be improved.
    Type: Application
    Filed: April 11, 2022
    Publication date: July 21, 2022
    Inventors: Shunpei YAMAZAKI, Kengo AKIMOTO, Shigeki KOMORI, Hideki UOCHI, Tomoya FUTAMURA, Takahiro KASAHARA
  • Patent number: 11395324
    Abstract: This invention provides a radio communication method in a radio communication system including a base station apparatus and a radio signal processing apparatus for communicating with the base station apparatus, the radio communication method including granting radio control information that includes at least information specifying a radio scheme to be used as a parameter required for radio communication, to a packet and transmitting the packet from which the radio control information has been removed, by the radio scheme specified by the radio control information granted to the packet.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: July 19, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yohei Katayama, Atsushi Taniguchi, Kenji Shimizu, Takahiro Yamazaki, Maiko Naya, Takashi Shimizu
  • Patent number: 11393917
    Abstract: An object is to provide a high reliability thin film transistor using an oxide semiconductor layer which has stable electric characteristics. In the thin film transistor in which an oxide semiconductor layer is used, the amount of change in threshold voltage of the thin film transistor before and after a BT test is made to be 2 V or less, preferably 1.5 V or less, more preferably 1 V or less, whereby the semiconductor device which has high reliability and stable electric characteristics can be manufactured. In particular, in a display device which is one embodiment of the semiconductor device, a malfunction such as display unevenness due to change in threshold voltage can be reduced.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: July 19, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Takahiro Tsuji, Kunihiko Suzuki
  • Patent number: 11370910
    Abstract: Provided is a polycarbonate resin composition, including: an aromatic polycarbonate resin (A); an alicyclic epoxy compound (B); a predetermined antioxidant (C); and a predetermined phosphorus compound (D), wherein, with respect to 100 parts by mass of the component (A), a content of the component (B) is 0.01 part by mass or more and 0.1 part by mass or less, a content of the component (C) is 0.01 part by mass or more and 0.1 part by mass or less, and a content of the component (D) is 0.01 part by mass or more and 0.05 part by mass or less.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: June 28, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasunobu Yamazaki, Naoto Okubo, Toshio Isozaki, Takahiro Torii
  • Patent number: 11306687
    Abstract: An engine exhaust manifold including exhaust inlet parts at four locations corresponding to a plurality of exhaust ports, one exhaust outlet part, and an exhaust confluence part to collect exhaust gas from each of the exhaust inlet parts and send to the exhaust outlet part. An EGR passage part to send EGR gas toward an intake passage is formed.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: April 19, 2022
    Assignee: KUBOTA CORPORATION
    Inventors: Kentaro Nagai, Ryutaro Komura, Takashi Yamaguchi, Kumiko Sakaguchi, Takahiro Yamazaki