Patents by Inventor Hiroaki Kato

Hiroaki Kato 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: 20210005758
    Abstract: A tunneling field effect transistor according to an embodiment of the present invention includes: a first semiconductor layer having a first conductive type; a second semiconductor layer having a second conductive type and realizing a heterojunction with respect to the first semiconductor layer in a first region; a gate insulating layer over the second semiconductor layer in the first region; a gate electrode layer over the gate insulating layer; a first electrode layer electrically connected to the first semiconductor layer; a second electrode layer electrically connected to the second semiconductor layer; and a first insulating layer interposed between the first semiconductor layer and the second semiconductor layer in a second region adjacent to the first region toward the second electrode layer.
    Type: Application
    Filed: November 28, 2018
    Publication date: January 7, 2021
    Inventors: Kimihiko KATO, Shinichi TAKAGI, Mitsuru TAKENAKA, Hitoshi TABATA, Hiroaki MATSUI
  • Publication number: 20210005106
    Abstract: A walking training apparatus is a motion support system that includes a walking assistance apparatus as an assistance apparatus, a selected assistance level setting unit, a load data acquisition unit, an angle sensor as a displacement sensor, and an overall control unit as a control unit. The assistance apparatus assists a motion of a joint performed by a user. The assistance level setting unit sets an assistance level that is a level of a force exerted by the assistance apparatus. The load data acquisition unit acquires load data related to a load of the assistance apparatus. The displacement sensor detects a displacement of the joint. The control unit determines a recommended assistance level, which is an assistance level to be recommended, based on the assistance level, the load data, and an output of the displacement sensor, and outputs information about the determined recommended assistance level.
    Type: Application
    Filed: June 22, 2020
    Publication date: January 7, 2021
    Applicant: Toyota Jidosha Kabushiki Kaisha
    Inventors: Nobuhisa Otsuki, Yoshiaki Kato, Issei Nakashima, Manabu Yamamoto, Hiroaki Daba, Taiga Matsumoto
  • Publication number: 20200411309
    Abstract: To dry a substrate formed with a pattern on a front surface satisfactorily and with excellent drying performance, a substrate processing method comprises: a liquid film formation step of forming a liquid film of a processing liquid, in which cyclohexanone oxime is dissolved in a solvent, on a front surface of a substrate formed with a pattern by supplying the processing liquid to the front surface of the substrate; a solidified film formation step of forming a solidified film of the cyclohexanone oxime by solidifying the liquid film of the processing liquid; and a sublimation step of removing the solidified film from the front surface of the substrate by sublimating the solidified film.
    Type: Application
    Filed: June 11, 2020
    Publication date: December 31, 2020
    Inventors: Masayuki OTSUJI, Hiroaki TAKAHASHI, Masahiko KATO, Yu YAMAGUCHI, Yuta SASAKI
  • Publication number: 20200400154
    Abstract: The purpose of the present invention is to provide a gas compressor capable of reducing variation in discharge pressure through control of the number of compressor bodies and a control method for the gas compressor. In order to solve the problem, this gas compressor includes a plurality of compressor units each having a compressor body, a motor for driving the compressor body, and an inverter for controlling a rotational speed of the motor, and a control device for controlling the inverters. Discharge pipes of the compressor bodies converge on one main discharge pipe. A drive frequency of the motor of each compressor body is controlled by the corresponding inverter, whereby a pressure of each discharge pipe is controlled and a discharge pressure of the main discharge pipe is controlled.
    Type: Application
    Filed: July 26, 2019
    Publication date: December 24, 2020
    Inventors: Akihiro YAMAMOTO, Yoshiyuki KANEMOTO, Norio AOYAGI, Hiroaki SAITO, Fuminori KATO, Daichi OKA
  • Patent number: 10867649
    Abstract: According to one embodiment, a magnetic memory device includes a first conductive layer, a first stacked body, and a controller. The first conductive layer includes a first region, a second region, and a third region between the first region and the second region. The first stacked body includes a first magnetic layer, a second magnetic layer provided between the third region and the first magnetic layer in a first direction crossing a second direction, and a first nonmagnetic layer provided between the first magnetic layer and the second magnetic layer. The second direction is from the first region toward the second region. The controller electrically is connected to the first region, the second region, and the first magnetic layer. The controller performs at least first to third operations. In the operations, the controller sets the first stacked body to first to third resistance state.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: December 15, 2020
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hiroaki Yoda, Satoshi Takaya, Yuichi Ohsawa, Naoharu Shimomura, Katsuhiko Koui, Yushi Kato, Shinobu Fujita
  • Publication number: 20200379333
    Abstract: A projection-type display apparatus includes a light source apparatus, a first optical system with a superimposing lens receiving illumination light from the source apparatus, a second optical system including a first color separator downstream the superimposing lens, mirror, and field lens, and an optical enclosure accommodating the second system. The first separator reflects, toward the mirror, first light in the illumination light belonging to a first wavelength band, and transmits light belonging to a wavelength band excluding the first wavelength band. The mirror reflects, toward the field lens, the first light reflected by the first separator. An angle between an optical axis of the superimposing lens and the first separator is greater than 45° in a first system plan view. A field lens optical axis is substantially parallel to a first system optical axis. The optical enclosure includes a fixing section holding and fixing the first separator.
    Type: Application
    Filed: May 27, 2020
    Publication date: December 3, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hiroaki MIYA, Tomohiro TAKAGI, Kanji YOSHIDA, Masashi KATO
  • Publication number: 20200367063
    Abstract: A shared frequency management apparatus includes a communicator receiving application information regarding use of a shared frequency band from each of base stations of plural different communication companies, a determiner determining whether or not allocation of different TDD patterns during use of adjacent carrier frequencies among plural carrier frequencies included in the shared frequency band is possible on the basis of the application information from each base station, a setter setting the TDD pattern for each of the carrier frequencies on the basis of the application information from each base station and a determination result of whether or not allocation of the different TDD patterns is possible, and a decision unit deciding an allocation content of the shared frequency band to each base station, satisfying the application information from each base station, on the basis of a setting result of the TDD pattern for each carrier frequency.
    Type: Application
    Filed: September 25, 2019
    Publication date: November 19, 2020
    Inventors: Osamu KATO, Hideki KANEMOTO, Hiroaki ASANO
  • Patent number: 10839970
    Abstract: The present invention provides a spent nuclear fuel assembly storage including a metal cask which stores a spent nuclear fuel assembly and a container body which stores the metal cask and has a substantially hexagonal tubular shape, and an assembly of the spent nuclear fuel assembly storage containers, and a method of assembling the spent nuclear fuel assembly storage container.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: November 17, 2020
    Assignees: WATS Co., Ltd., IHI Construction Materials Co., Ltd., MURATA ENGINEERING Co., Ltd.
    Inventors: Yoshio Hida, Hiroaki Kato, Takashi Murata, Masakatsu Uehara
  • Publication number: 20200344701
    Abstract: A wireless system can use a shared frequency mainly used by an existing first wireless system under predetermined sharing conditions, and includes a communication unit performing wireless communication with a terminal accommodated in a communication area, at least one sensor disposed around the communication area and measuring reception power of a signal sent from the inside of the communication area via the communication unit, a memory storing beam data indicating a correspondence relationship between a beam direction of the signal and a measurement result in the sensor, a determination unit determining allowable maximum transmission power of the signal in each beam direction on the basis of the sharing conditions and the beam data, and an allocation unit allocating a radio resource to the terminal on the basis of the allowable maximum transmission power in each beam direction and channel state information reported from the terminal.
    Type: Application
    Filed: September 25, 2019
    Publication date: October 29, 2020
    Inventors: Osamu KATO, Hideki KANEMOTO, Hiroaki ASANO
  • Patent number: 10805806
    Abstract: A shared frequency management system that manages sharing of frequencies of a shared frequency band mainly used by a first wireless system with a second wireless system, includes an input unit that receives first border information regarding a first border indicating a border of a first region in which a reception level based on transmission of a first wireless signal using the frequencies of the shared frequency band from the first wireless system becomes a defined value, a deriving unit that derives second border information regarding a second border indicating a border of a second region in which a reception level based on transmission of a second wireless signal using the frequencies of the shared frequency band from the second wireless system becomes the defined value, and a permission condition determination unit that determines a sharing permission condition regarding the frequencies of the shared frequency band for the second wireless system on the basis of the first border information and the second
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: October 13, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Osamu Kato, Hideki Kanemoto, Hiroaki Asano
  • Patent number: 10798721
    Abstract: There is provided a wireless base station device capable of reducing a communication delay time related to communication of a priority call. A wireless base station device includes a processor a memory, and an antenna. The memory stores a wireless resource allocated to a priority call of radio channels for transmission of data with a wireless communication terminal before a priority call is generated under the control of the processor. The processor allocates the wireless resource stored in the memory to a generated priority call. The antenna performs communication of data of the priority call by using the allocated wireless resource.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: October 6, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Sojiro Norita, Osamu Kato, Hiroaki Asano, Yasufumi Ichikawa, Noriyuki Shimizu
  • Publication number: 20200307607
    Abstract: A road surface condition estimation device includes a control circuit, an acquisition circuit and an estimation circuit. The control circuit is configured to control a driving device that is able to independently drive a plurality of wheels. The acquisition circuit is configured to acquire detection results of a plurality of wheel speed sensors that detects rotation speeds of the plurality of wheels respectively. The estimation circuit is configured to calculate a slip ratio for each driving wheel, based on a detection result of a first wheel speed sensor and a detection result of a second wheel sensor. The estimation circuit is configured to estimate a friction coefficient for each region on a road surface that corresponds to the driving wheel, based on the slip ratio.
    Type: Application
    Filed: March 10, 2020
    Publication date: October 1, 2020
    Applicants: AISIN SEIKI KABUSHIKI KAISHA, AISIN AW CO., LTD.
    Inventors: Hiroshi NOMA, Eiji NIWA, Hiroaki KAWASAKI, Yusuke MAEDA, Fumiharu OGAWA, Kazuhiro KATO
  • Patent number: 10743834
    Abstract: An X-ray image diagnostic apparatus according to an embodiment includes a photon counting X-ray detector, calibration circuitry, and image generating circuitry. The photon counting X-ray detector includes a plurality of detection elements each of which is configured to detect X-rays and output a detection signal. The calibration circuitry calibrates a detection signal of each of the detection elements using a correction value calculated from a plurality of signals output from the detection elements and corresponding to a plurality of X-ray application conditions relating to continuous X-rays. The image generating circuitry generates an image using the calibrated detection signals of the detection elements.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: August 18, 2020
    Assignee: Canon Medical Systems Corporation
    Inventors: Tooru Kato, Hiroaki Nakai
  • Patent number: 10746191
    Abstract: A centrifugal compressor includes a housing, a partition separating an empty space in a housing into a speed increaser chamber and an impeller chamber, an insertion hole provided in the partition to allow insertion of a high-speed shaft, a seal located in the insertion hole to seal a boundary between the partition and the high-speed shaft, and a bearing receptacle located in the partition. The partition includes a communication passage that allows communication between a portion of the insertion hole located closer to the speed increaser chamber than the seal and the bearing receptacle.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: August 18, 2020
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Ryosuke Fukuyama, Satoru Mitsuda, Hiroaki Kato
  • Publication number: 20200260357
    Abstract: A wireless communication system includes a first base station connectable to a backbone network by a wireless backhaul, and a path generator generating a wireless multi-hop path including the first base station and one or more second base stations connected to the first base station by a wireless multi-hop. The first base station reports a measurement result of a line quality of the wireless backhaul and a measurement result of a line quality between the first base station and the second base station disposed around the first base station. The first base station is switched to a first mode connected to the backbone network by the wireless backhaul or to a second mode connected to the second base station by a wireless multi-hop, in response to the path signal.
    Type: Application
    Filed: September 24, 2019
    Publication date: August 13, 2020
    Inventors: Osamu KATO, Hideki KANEMOTO, Hiroaki ASANO
  • Patent number: 10739923
    Abstract: A touch panel member includes a first transparent resin layer, a first electrode substrate, a second transparent resin layer, and a second electrode substrate, which are disposed in this order. The first electrode substrate includes a first substrate and a first conductive pattern group. The second electrode substrate includes a second substrate and a second conductive pattern group. When a reference conductor is brought into contact with a touch panel cover while the touch panel cover is disposed on the first transparent resin layer at a side opposite to the first electrode substrate, the second conductive pattern group is configured to cause a second electrostatic capacity between the reference conductor and the second conductive pattern group range from 80% to 120%, inclusive, of a first electrostatic capacity between the reference conductor and the first conductive pattern group.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: August 11, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiroaki Kato, Yukio Matsushita, Masahiro Kawada
  • Patent number: 10734053
    Abstract: According to one embodiment, a magnetic memory device includes a conductive member, a first magnetic layer, a second magnetic layer, and a first nonmagnetic layer. The conductive member includes a first layer. The first layer includes at least one selected from the group consisting of HfN having a NaCl structure, HfN having a fcc structure, and HfC having a NaCl structure. The first magnetic layer is separated from the first layer in a first direction. The second magnetic layer is provided between the first layer and the first magnetic layer. The first nonmagnetic layer is provided between the first magnetic layer and the second magnetic layer.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: August 4, 2020
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Mizue Ishikawa, Yushi Kato, Soichi Oikawa, Hiroaki Yoda
  • Publication number: 20200245151
    Abstract: A shared frequency management system that manages sharing of frequencies of a shared frequency band mainly used by a first wireless system with a second wireless system, includes an input unit that receives first border information regarding a first border indicating a border of a first region in which a reception level based on transmission of a first wireless signal using the frequencies of the shared frequency band from the first wireless system becomes a defined value, a deriving unit that derives second border information regarding a second border indicating a border of a second region in which a reception level based on transmission of a second wireless signal using the frequencies of the shared frequency band from the second wireless system becomes the defined value, and a permission condition determination unit that determines a sharing permission condition regarding the frequencies of the shared frequency band for the second wireless system on the basis of the first border information and the second
    Type: Application
    Filed: September 23, 2019
    Publication date: July 30, 2020
    Inventors: Osamu KATO, Hideki KANEMOTO, Hiroaki ASANO
  • Publication number: 20200236516
    Abstract: A communication charging system includes a first measuring device that measures an amount of communication established by a terminal in utilization of a first communication service using a first communication network and a second measuring device that measures an amount of communication established by the terminal in utilization of a second communication service using a second communication network. The first measuring device transmits information regarding the measured amount of communication in the utilization of the first communication service to the second measuring device. The second measuring device associates with information regarding the terminal and stores the information regarding the amount of communication in the utilization of the first communication service, which has been transmitted from the first measuring device, and information regarding the measured amount of communication in the utilization of the second communication service.
    Type: Application
    Filed: August 30, 2018
    Publication date: July 23, 2020
    Inventors: Osamu KATO, Hiroaki ASANO, Yasuhiro AOYAMA, Hideki KANEMOTO
  • Patent number: 10716062
    Abstract: A wireless system includes a plurality of base stations including a first base station connected to a backbone network and a plurality of second base stations connected to the first base station by wireless multi-hop, and a server disposed in the backbone network and communicating with the first base station.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: July 14, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Osamu Kato, Masahisa Okuda, Noriyuki Shimizu, Hiroaki Asano