Patents by Inventor Hiroshi Ishikawa
Hiroshi Ishikawa 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).
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Publication number: 20240069894Abstract: A server updates software on a control device of a vehicle through wireless communication. The server includes a processor and an interface. The processor performs a process of obtaining user's consent to update the software. The processor instructs to start an update process of first software and second software when the consent to update the first software and the second software is obtained. When an error occurs during the update process of the first software, the processor requests again the consent to update the first software and selectively requests again the consent to update the second software based on predetermined connection between the first software and the second software, before performing again the update process of the first software and the second software.Type: ApplicationFiled: June 19, 2023Publication date: February 29, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomoyasu ISHIKAWA, Hiroshi INOUE, Shunsuke TANIMORI, Nana KIKUIRE
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Patent number: 11911806Abstract: Provided is a substrate cleaning device, an abnormality determination method of a substrate cleaning device, and an abnormality determination program of a substrate cleaning device for determining whether there is an abnormality in a roll cleaning member that is attached. A substrate cleaning device includes: a holder to which a roll cleaning member for cleaning a substrate is attached in a detachable manner; a rotation device which makes the roll cleaning member attached to the holder rotate; a sensor which measures information concerning a vibration of the roll cleaning member during rotation; and a control device which determines, based on a measurement result of the sensor, whether there is an abnormality in the roll cleaning member attached to the holder.Type: GrantFiled: February 14, 2022Date of Patent: February 27, 2024Assignee: EBARA CORPORATIONInventors: Masumi Nishijima, Kunimasa Matsushita, Hiroshi Ishikawa
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Publication number: 20240057010Abstract: A network node includes: a transmission unit configured to register a terminal to a UDR (User Data Repository); a reception unit configured to receive, from the UDR, information for identifying the UDR as a response to registration of the terminal; and a control unit configured to associate the terminal and the information for identifying the UDR with a first time at which the terminal is registered to the UDR to be stored. In a case where an error indication of the UDR is received by the reception unit, the control unit determines whether or not a re-registration of the terminal is needed, based on a time included in the error indication and the first time.Type: ApplicationFiled: February 15, 2021Publication date: February 15, 2024Applicant: NTT DOCOMO, INC.Inventors: Atsushi Minokuchi, Shin Nishida, Yuko Ukawa, Hiroshi Ishikawa
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Patent number: 11897488Abstract: An autonomous driving assistance device includes a manual driving control section, an autonomous driving control section, and a travelling condition determining section. If it is detected that there is a malfunction in a first sensor during control of the autonomous driving of the vehicle, the autonomous driving control section executes emergency autonomous driving until a predetermined condition is satisfied while changing, based on the determined travelling condition, a driving manner of an emergency autonomous driving as compared with a driving manner of the autonomous driving executed before no malfunctions are detected in the first sensor; and after the emergency autonomous driving is terminated, the autonomous driving assistance device being configured to selectively execute one of: causing the autonomous driving control section to stop the vehicle; and causing the manual driving control section to control the manual driving.Type: GrantFiled: December 28, 2021Date of Patent: February 13, 2024Assignee: DENSO CORPORATIONInventors: Kouichi Masuda, Hiroshi Ishikawa, Takahisa Yokoyama, Takehito Fujii
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Patent number: 11864080Abstract: A disclosed user device includes a receiver configured to receive emergency information from a network; and a control unit configured to change a process of detecting whether first emergency information is duplicated with second emergency information upon receiving, by the receiver, the second emergency information after the first emergency information, based on the first emergency information.Type: GrantFiled: October 23, 2019Date of Patent: January 2, 2024Assignee: NTT DOCOMO, INC.Inventors: Kenichiro Aoyagi, Atsushi Minokuchi, Hiroshi Ishikawa, Shinya Takeda, Maoki Hikosaka
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Patent number: 11847764Abstract: A generative adversarial network including a generator portion and a discriminator portion is constructed. The network is configured such that the network operates to enhance intensity images, wherein an intensity image is obtained by illuminating an object with an energy pulse and measuring the return strength of the energy pulse, and wherein a pixel of the intensity image corresponds to the return strength. As a part of the configuring, a loss function of the generative adversarial network is minimized, the loss function comprising a mean square error loss measurement of a noisy intensity image relative to a mean square error loss measurement of a corresponding clean intensity image. An enhanced intensity image is generated by applying the minimized loss function of the network to an original intensity image, the applying improving an image quality measurement of the enhanced intensity image relative to the original intensity image.Type: GrantFiled: December 21, 2020Date of Patent: December 19, 2023Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Kerry Halupka, Bhavna Josephine Antony, Suman Sedai, Rahil Garnavi, Hiroshi Ishikawa
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Patent number: 11837379Abstract: A signal transmission cable includes at least one internal conductor, an insulator, and an external conductor. The at least one internal conductor is formed in an elongated shape and is configured to transmit a signal. The insulator covers the internal conductor. The external conductor is a band-shaped resin tape having characteristics of an elongation percentage of equal to or more than 30% and a volume resistivity of equal to or less than 4×10?4 ?·cm. The external conductor is configured to be wound around the insulator.Type: GrantFiled: March 1, 2022Date of Patent: December 5, 2023Assignee: PROTERIAL, LTD.Inventors: Hideki Nonen, Hiroshi Ishikawa
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Publication number: 20230378626Abstract: The dielectric waveguide 1 transmits an electromagnetic wave with a frequency of 20 GHz or more and 200 GHz or less and includes a core 2 including a plurality of dielectric waveguide lines 21 that are bundled together and are composed of a dielectric made of a resin or quartz.Type: ApplicationFiled: April 14, 2023Publication date: November 23, 2023Inventors: Hiroshi Ishikawa, Takahiro Sugiyama, Izumi Fukasaku
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Publication number: 20230364303Abstract: [Object] Provided is a method of producing a nerve fascicle including efficiently extending axons of neural cells. [Solution] Neural cells are cultivated in the presence of feeder cells including at least one type of cells selected from the group consisting of vascular component cells, perivascular cells, and oligodendrocytes.Type: ApplicationFiled: September 17, 2021Publication date: November 16, 2023Applicant: University of TsukubaInventors: Hiroshi ISHIKAWA, Aiki MARUSHIMA, Yuji MATSUMARU, Masao KODA, Akira MATSUMURA, Hiroki BUKAWA, Akihiro OHYAMA, Junko TOYOMURA, Miho WATANABE, Tetsuya ABE, Shohei TAKAOKA, Yosuke SHIBAO, Hideaki MATSUMURA
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Patent number: 11817311Abstract: According to one embodiment of the present disclosure, provided is a substrate cleaning method that performs an operation, in a state where a cleaning member is in contact with a rotating substrate, the cleaning member is moved between a first position on the substrate and a second position close to an edge of the substrate, n times (n is an integer of 2 or more), wherein a controller, which controls a driver that moves the cleaning member, controls the driver to perform an edge cleaning step to perform cleaning of the substrate in a state where the cleaning member is in contact with the second position on the substrate for a predetermined period of time after the cleaning member reaches the second position at least in one operation of the first to the (n-1)th operations.Type: GrantFiled: February 6, 2020Date of Patent: November 14, 2023Assignee: EBARA CORPORATIONInventors: Tomoatsu Ishibashi, Hiroshi Ishikawa, Masumi Nishijima
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Patent number: 11789215Abstract: An embodiment optical connector includes a fiber having a core through which light is guided and a magnet attached to one end of the fiber, and the magnet has an opening that exposes at least the end face of the core. An embodiment optical connection structure includes a first optical connector and a second optical connector, each including a fiber having a core through which light is guided and a magnet attached to one end of the fiber, wherein the magnets are magnetized so as to exert attraction on each other, and when the first optical connector and the second optical connector are mechanically connected by magnetic forces, the core of the first optical connector and the core of the second optical connector are optically connected through the opening of the magnet of the first optical connector and the opening of the magnet of the second optical connector.Type: GrantFiled: June 25, 2019Date of Patent: October 17, 2023Assignee: Nippon Telegraph and Telephone CorporationInventors: Norio Sato, Satoshi Shigematsu, Hiroshi Ishikawa, Kota Shikama, Atsushi Aratake
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Patent number: 11783964Abstract: A differential signal transmission cable includes: an insulating electric wire having a pair of conductive wires and an insulating layer covering the pair of conductive wires; a shield tape wound around an outer periphery of the insulating electric wire; a first tape wound around an outer periphery of the shield tape and having a first resin covering layer; and a second tape wound around an outer periphery of the first tape and having a second covering layer. The second covering layer is made of a high softening point material having a softening point that is higher than a softening point of the first resin covering layer.Type: GrantFiled: August 10, 2021Date of Patent: October 10, 2023Assignee: Proterial, Ltd.Inventor: Hiroshi Ishikawa
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Publication number: 20230316828Abstract: A deterioration diagnosis method for an electronic control unit (1) including a power semiconductor device (17) and a circuit board (13) supporting the power semiconductor device, comprising the steps of: acquiring a cooling curve based on a detection result of a temperature sensor (43) provided on the power semiconductor device or the circuit board during operation of the power semiconductor device; obtaining a differential curve by time differentiating the cooling curve; approximating the differential curve to an exponential function over a predetermined time range to obtain a corresponding exponent (b); and diagnosing the electronic control unit by comparing the obtained exponent with a predetermined reference value.Type: ApplicationFiled: March 27, 2023Publication date: October 5, 2023Inventors: Hodaka TSUGE, Hiroshi ISHIKAWA
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Patent number: 11778444Abstract: A network node for connecting to a plurality of base station devices, the plurality of base station devices each being connected to one or a plurality of core networks belonging to different systems, the network node including a controller that controls delivery of emergency information identical to delivery of emergency information activated by a first core network of the plurality of core networks so that the delivery of the emergency information identical to the delivery of the emergency information activated by the first core network of the plurality of core networks is prevented from being activated by a core network other than the first core network; and a transmitter that transmits a message for a base station device to deliver emergency information.Type: GrantFiled: April 2, 2019Date of Patent: October 3, 2023Assignee: NTT DOCOMO, INC.Inventors: Kenichiro Aoyagi, Hiroshi Ishikawa, Shinya Takeda
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Patent number: 11747557Abstract: A wavelength checker includes an optical converter composed of a conversion material that converts infrared light into visible light. The optical converter is disposed, on an output side (side from which light is output to an external space) of a plurality of first output waveguides of an optical waveguide chip, to receive emitted light that is guided through the first output waveguides and reflected on and emitted from the light emitting-side end surface. The light emitting-side end surface is a reflection surface that is inclined to face a main substrate.Type: GrantFiled: August 23, 2019Date of Patent: September 5, 2023Assignee: Nippon Telegraph and Telephone CorporationInventors: Takuya Tanaka, Hiroshi Ishikawa, Kota Shikama, Atsushi Aratake
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Publication number: 20230272941Abstract: An air circulator includes a blower unit that is provided with an airflow opening on a front side of the blower unit. A grill is provided in the airflow opening, and is provided with airflow guide blades in a spiral manner. The air circulator also includes a controller that achieves a rhythm air in which weak wind and strong wind are switched over by controlling a rotational speed of a motor of the blower unit. The grill is provided with plural airflow guide blades in a spiral manner. Inner end portions of the airflow guide blades closer to the center of the spiral of the airflow guide blades are protruded from outer end portions if the airflow guide blades in an airflow direction.Type: ApplicationFiled: May 10, 2023Publication date: August 31, 2023Applicant: Iris Ohyama Inc.Inventors: Hideki YAMAMOTO, Kazuhito FUKUMASU, Hiroshi ISHIKAWA
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Patent number: 11693179Abstract: A wavelength checker includes an optical waveguide chip. A known arrayed-waveguide diffraction grating is formed on the optical waveguide chip. The wavelength checker includes a light conversion unit made of a conversion material that converts infrared light into visible light. The light conversion unit is arranged on an output side of a plurality of first output waveguides of the optical waveguide chip to be capable of receiving light emitted from the plurality of first output waveguides. The light conversion unit is formed on a side surface of a support facing an output end surface of the optical waveguide chip. The support is fixed to a main board.Type: GrantFiled: November 8, 2019Date of Patent: July 4, 2023Assignee: Nippon Telegraph and Telephone CorporationInventors: Takuya Tanaka, Hiroshi Ishikawa, Kota Shikama
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Patent number: 11686500Abstract: An air circulator includes a blower unit that is provided with an airflow opening on a front side of the blower unit. A grill is provided in the airflow opening, and is provided with airflow guide blades in a spiral manner Each of the airflow guide blades is convex toward an airflow direction between its inner end portion and its outer end portion to form the grill three-dimensionally. The grill further includes a circular ring that intersects with the airflow guide blades.Type: GrantFiled: January 25, 2022Date of Patent: June 27, 2023Assignee: Iris Ohyama Inc.Inventors: Hideki Yamamoto, Kazuhito Fukumasu, Hiroshi Ishikawa
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Publication number: 20230027963Abstract: A signal transmission cable is provided with a conductor, an insulator covering around the conductor, a shield layer covering around the insulator, a sheath covering around the shield layer, and a plating base layer is provided between the insulator and the shield layer to cover around the insulator. The shield layer has a plating layer provided to cover the plating base layer to be in contact with an outer peripheral surface of the plating base layer. A surface roughness of an outer peripheral surface of the plating layer is less than a surface roughness of an inner peripheral surface of the plating layer.Type: ApplicationFiled: July 7, 2022Publication date: January 26, 2023Inventors: Hideyuki Sagawa, Detian Huang, Takahiro Sugiyama, Hideki Nonen, Masashi Arai, Hiroshi Ishikawa, Xinweilong Li
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Publication number: 20220394652Abstract: Methods and devices provide for enhancements to the Steering of Roaming (SoR) provisioning during the registration procedure by introducing a new parameter generated by a user data management network function of the home network which indicates to roaming networks whether to request updated SoR information based on a registration type received in a registration request from a mobile terminal.Type: ApplicationFiled: October 29, 2020Publication date: December 8, 2022Applicant: NTT DOCOMO, INC.Inventors: Srisakul Thakolsri, Malla Reddy Sama, Riccardo Guerzoni, Jari Mutikainen, Hiroshi Ishikawa, Atsushi Minokuchi, Ban Al-Bakri