Patents by Inventor Akira Watanabe

Akira Watanabe 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: 20230304176
    Abstract: The present disclosure aims at providing an electrolysis apparatus that can efficiently produce hydrogen and can accommodate fluctuating power supplies. A bipolar zero-gap electrolyzer for water electrolysis includes multiple bipolar elements, each of which includes an anode chamber, a cathode chamber, a conductive partition wall provided between the anode and cathode chambers, and outer frames framing the conductive partition wall. The conductive partition wall has protrusions on at least one surface. A conductive elastic body is disposed between a surface of the conductive partition wall opposite the one surface and one of the electrodes. One and the other of the electrodes form conduction with the conductive partition wall at least through the protrusions and at least through the conductive elastic body, respectively. The membrane is sandwiched between the cathode and the anode of the adjacent bipolar elements by elastic stress of the conductive elastic body.
    Type: Application
    Filed: June 15, 2021
    Publication date: September 28, 2023
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Akira WATANABE, Norikazu FUJIMOTO, Yousuke UCHINO, Hiroshige YAMAURA
  • Patent number: 11732818
    Abstract: An electromagnetic valve has an inlet port and an outlet port. The electromagnetic valve is configured to open and close a driving fluid passage communicating the inlet port and the outlet port. The electromagnetic valve includes: a housing; a solenoid that includes a bobbin having a coil wound therearound; a moving core that is provided on an axis of the bobbin and is disposed movably in an axial direction; a stationary core that is provided on the axis of the bobbin and is fixed in the housing; and a valve that is configured to be movable together with the moving core and opens and closes the driving fluid passage. The inlet port is opened on one surface side of the housing in the axial direction of the bobbin while the outlet port is opened on the other surface side of the housing in the axial direction of the bobbin.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: August 22, 2023
    Assignees: FUJIKIN INCORPORATED, KOGANEI CORPORATION
    Inventors: Ryutaro Tanno, Yuya Suzuki, Tsutomu Shinohara, Tomohiro Nakata, Akira Watanabe, Takahiro Kawano
  • Publication number: 20230200004
    Abstract: An audio recording apparatus provided with a heat radiation fan comprises at least one processor and/or circuit configured to function as following units: an acquiring unit configured to acquire a type of microphone used to record audio; a control unit configured to control a rotation frequency for driving the heat radiation fan; and a recording unit configured to record audio acquired by the used microphone, wherein the control unit changes the rotation frequency of the heat radiation fan according to the type of the used microphone acquired by the acquiring unit.
    Type: Application
    Filed: December 13, 2022
    Publication date: June 22, 2023
    Inventor: Akira WATANABE
  • Patent number: 11680896
    Abstract: An electromagnetic signal analysis apparatus includes a frequency spectrum obtaining unit 11 to obtain a frequency spectrum that is generated based on an electromagnetic signal obtained by a spectral device 20 and represents a property value with respect to a frequency, a water vapor fitting processing unit 12 to fit a waveform of a single fitting function or a composite waveform, of a plurality of fitting functions to a frequency spectrum at a frequency at which absorption of the electromagnetic waves by water vapor is increased, and a property analyzing unit 14 to analyze a property of a liquid sample using at least two values that determine a characteristic of the fitting function used for the fitting, so that the frequency spectrum, at the frequency at which absorption of the electromagnetic waves by water vapor generated from surfaces of the liquid sample is increased is processed to analyze the property of the liquid sample.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: June 20, 2023
    Assignee: FEMTO DEPLOYMENTS INC.
    Inventors: Akira Watanabe, Tadashi Okuno, Takeji Ueda
  • Patent number: 11581459
    Abstract: A manufacturing method of a light-emitting device, including the steps of: preparing a substrate including a base, a first wall formed on an upper surface of the base, and a recess defined by a lateral surface of the first wall as an inside lateral surface and the upper surface of the base as a bottom surface; mounting a light-emitting element on the bottom surface of the recess; disposing a sealing member which covers the light-emitting element and the first wall; forming a groove section extending from an upper surface of the sealing member to the first wall by removing the sealing member on the first wall; disposing a second wall inside the groove section; and cutting the second wall and the substrate at a position including the second wall.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: February 14, 2023
    Assignee: Nichia Corporation
    Inventors: Masahiro Sakamoto, Akira Watanabe
  • Publication number: 20220390364
    Abstract: The invention is configured to include a spectroscopy cell 100 as a container including one or more spaces, each of which has a plate shape and contains a to-be-measured object that transmits or reflects a terahertz wave; and a holder 6 including one or more first holder through-holes 6b and 6c disposed at positions corresponding to the spaces of the spectroscopy cell 100, each of the spaces containing the to-be-measured object. A body portion 1 of the spectroscopy cell 100 is made of a resin material that transmits the terahertz wave, and the spectroscopy cell 100 is loaded into the holder 6 and is used. The holder 6 has a function of holding the spectroscopy cell 100, and a function of correcting one or more of a distortion, a twist, and a bending of the spectroscopy cell 100.
    Type: Application
    Filed: April 1, 2021
    Publication date: December 8, 2022
    Inventors: Akira WATANABE, Tadashi OKUNO, Takeji UEDA
  • Publication number: 20220390084
    Abstract: A cover body includes: a multi-color molded body including a first resin portion having a gate mark on an outer surface thereof, and a second resin portion having a color different from a color of the first resin portion and adhering to the outer surface of the first resin portion to cover the gate mark. An outer surface of the second resin portion includes a stepped portion that overlaps with the gate mark.
    Type: Application
    Filed: June 3, 2022
    Publication date: December 8, 2022
    Inventors: Takamasa Yagi, Akira Watanabe, Taro Fujisawa, Tomonori Iida, Noriyuki Nakajima, Daisuke Okitsu
  • Publication number: 20220298750
    Abstract: A hydraulic excavator includes a starter motor for starting an engine with electric power supplied from a lead-acid battery, a second electric system connected in parallel with a first electric system to connect the lead-acid battery and a 24V electrical equipment, a 48V battery for supplying electric power to the second electric system, a relay for disconnecting connection between the first electric system and the second electric system, and a vehicle body controller connected to the second electric system to control the starter motor and the relay. The vehicle body controller estimates a remaining charge amount of the lead-acid battery and disables driving of the starter motor until an estimation result is higher than or equal to a threshold, and when the estimation result is higher than or equal to the threshold, disconnects the connection between the first electric system and the second electric system by using the relay.
    Type: Application
    Filed: March 30, 2020
    Publication date: September 22, 2022
    Inventors: Akira WATANABE, Manabu YANO, Yasunori OOTA, Yusuke IMAI
  • Patent number: 11442340
    Abstract: An electronic apparatus to which an external apparatus is detachably attachable includes a controlling unit configured to make a vibration device vibrate by using a vibration parameter corresponding to a type of the external apparatus to be attached to the electronic apparatus, the vibration device being provided on at least one of the electronic apparatus and the external apparatus.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: September 13, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Atsuto Noda, Shinga Nakashima, Akira Watanabe, Takazumi Seo, Kohei Uemura, Toshihiro Ogawa, Hiroshi Toriumi
  • Publication number: 20220282456
    Abstract: A work machine includes: a controller; a first electrical circuit provided with a first power supply that supplies power to the controller; an electric drive source necessary for operating the work machine; and a second electrical circuit provided with a second power supply that supplies power to the electric drive source. The work machine further includes: a capacitor provided to the second electrical circuit; a first precharge device that performs precharge of the capacitor by using power of the first power supply; and a second precharge device that performs precharge of the capacitor by using power of the second power supply. The controller performs precharge by using one of the precharge devices when it is determined that precharge by using the other one of the precharge devices is impossible.
    Type: Application
    Filed: September 2, 2020
    Publication date: September 8, 2022
    Inventors: Akira WATANABE, Yasunori OTA, Yusuke IMAI, Manabu YANO
  • Publication number: 20220264767
    Abstract: An apparatus includes a conduit configured to circulate magnetic fluid, and a magnetic field generator that applies a magnetic field to the magnetic fluid. The conduit includes at least four areas of a first conduit area in which the magnetic fluid receives heat from a heating unit, a second conduit area from the first conduit area to a cooling unit, a third conduit area in which the magnetic fluid is cooled by the cooling unit, and a fourth conduit area from the cooling unit to the heating unit. When the apparatus is used, a volume of the magnetic fluid in one of the first to fourth conduit areas, in which a flow direction of the magnetic fluid coincides with a gravity direction, is larger than that of another conduit area, in which the flow direction of the magnetic fluid does not coincide with the gravity direction.
    Type: Application
    Filed: February 7, 2022
    Publication date: August 18, 2022
    Inventors: Genki Tanaka, Akira Watanabe, Akinori Inagaki
  • Publication number: 20220128463
    Abstract: An electromagnetic signal analysis apparatus includes a frequency spectrum obtaining unit 11 to obtain a frequency spectrum that is generated based on an electromagnetic signal obtained by a spectral device 20 and represents a property value with respect to a frequency, a water vapor fitting processing unit 12 to fit a waveform of a single fitting function or a composite waveform, of a plurality of fitting functions to a frequency spectrum at a frequency at which absorption of the electromagnetic waves by water vapor is increased, and a property analyzing unit 14 to analyze a property of a liquid sample using at least two values that determine a characteristic of the fitting function used for the fitting, so that the frequency spectrum, at the frequency at which absorption of the electromagnetic waves by water vapor generated from surfaces of the liquid sample is increased is processed to analyze the property of the liquid sample.
    Type: Application
    Filed: October 8, 2020
    Publication date: April 28, 2022
    Inventors: Akira WATANABE, Tadashi OKUNO, Takeji UEDA
  • Patent number: 11297235
    Abstract: An optical apparatus configured to correct an image blur by moving an image stabilization unit in a first direction different from an optical axis direction based on shake information obtained by a shake detector includes a vibration device configured to generate a vibration in order to transmit to a user a tactual sense according to an operation of an operation unit by the user. During an imaging and recording period, the vibration device generates the vibration having a vibration intensity in a second direction different from the first direction higher than that in the first direction.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: April 5, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takazumi Seo, Toshihiro Ogawa, Kohei Uemura, Shinga Nakashima, Atsuto Noda, Akira Watanabe
  • Publication number: 20220013593
    Abstract: A display device includes a plurality of first electrodes each provided for each pixel, an insulating layer containing a silicon compound, provided between the first electrodes, and covering a peripheral edge portion of the first electrode, a first interface layer containing a first silicon oxide and provided at an interface between the first electrode and the insulating layer, an organic layer including a light emitting layer, and provided on the first electrodes and the insulating layer, commonly to all of pixels, and a second electrode provided on the organic layer. The insulating layer contains a second silicon oxide on a surface portion on a side of the organic layer.
    Type: Application
    Filed: November 28, 2019
    Publication date: January 13, 2022
    Inventors: Akira Watanabe, Yoshifumi Zaizen
  • Patent number: 11218619
    Abstract: An image capturing apparatus includes a vibration device, a vibration transmission member, a housing that holds the vibration transmission member, a movable portion, and an optical member. The vibration device vibrates the image capturing apparatus to give a user a feeling corresponding to a user operation performed on an operation portion. The vibration transmission member transmits a vibration. The movable portion holds an image sensor that moves within a first area in a direction different from an optical axis to perform image blur correction. The optical member is arranged on an object side of the image sensor and on the optical axis. While the image sensor is located in the first area, the optical member and the vibration transmission member are not in contact with each other. When the image sensor moves to a second area outside the first area, the optical and vibration transmission members are brought into contact.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: January 4, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventor: Akira Watanabe
  • Patent number: 11203137
    Abstract: A resin molded product (10) includes a resin molded product main body (11), and a protrusion (12) integrally formed with the resin molded product main body (11) and protruding from the resin molded product main body (11). At injection molding of the resin molded product (10), molten resin flows through a portion (C-1) corresponding to the protrusion (12) in a cavity (C) defined by a pair of molds (20, 30). A concave portion (14) is formed on a rear side of the protrusion (12), and a bulging portion (12a) having a hollow bag shape is formed on a front side of the protrusion (12).
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: December 21, 2021
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Akira Watanabe, Takahiro Kohata, Toshimasa Ikeda
  • Patent number: 11181474
    Abstract: A terahertz wave signal analysis device includes a fitting processing unit 13 that fits synthetic waveforms of a plurality of normal distribution functions which differ in at least one of a center frequency, an amplitude, and a width to a frequency spectrum obtained from a terahertz wave signal and a graph generating unit 14 that generates a graph using at least one of a center frequency, an amplitude, and a width of a plurality of normal distribution functions used in the fitting as parameters, and it is possible to visualize a feature corresponding to a characteristic of a sample in the form of a graph in an easy-to-understand manner by approximating a frequency spectrum which does not clearly appear because a difference in the characteristic of the sample becomes a feature of a waveform by synthetic waveforms of a plurality of normal distribution functions in a form in which the characteristic of the sample is taken over and generating a graph on the basis of parameters of a plurality of normal distributio
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: November 23, 2021
    Assignee: FEMTO Deployments Inc.
    Inventors: Akira Watanabe, Tadashi Okuno, Takeji Ueda
  • Publication number: 20210351266
    Abstract: A light-emitting element according to the present disclosure includes an anode electrode portion having a projecting-shaped side wall portion formed along a peripheral edge portion of an organic EL pixel, an insulating film layer configured to cover an outer edge portion of the anode electrode portion so as to cover a side wall of the side wall portion on a light emitting unit side of the organic EL pixel in a predetermined film thickness, an organic EL layer layered so as to cover the insulating film layer and an upper surface of the anode electrode portion, and a cathode electrode portion layered over an upper surface of the organic EL layer.
    Type: Application
    Filed: November 14, 2019
    Publication date: November 11, 2021
    Inventors: Naoya Kasahara, Akira Watanabe
  • Publication number: 20210332329
    Abstract: A method for concentrating renal progenitor cells involves extracting MET-positive cells and/or AGTR2-positive cells from a renal progenitor cell-containing cell population. The MET-positive cells and/or AGTR2-positive cells are extracted using an anti-MET antibody and/or an anti-AGTR2 antibody. The renal progenitor cell-containing cell population is obtained from pluripotent stem cells. The renal progenitor cells are OSR1 (odd-skipped related 1)-positive and SIX2 (SIX Homeobox 2)-positive.
    Type: Application
    Filed: July 22, 2019
    Publication date: October 28, 2021
    Inventors: Kenji OSAFUNE, Toshikazu ARAOKA, Akira WATANABE
  • Patent number: 11150732
    Abstract: An image pickup apparatus includes a vibration device configured to generate a vibration to transmit to a user a touch sense in response to an operation of a user on an operation unit, and a grip portion gripped by the user. A lens barrel is attached to a front surface side of the image pickup apparatus. The grip portion covers a rear surface side and the front surface side of the image pickup apparatus. The grip portion that covers the front surface side of the image pickup apparatus includes a protrusion portion. The vibration device is disposed inside the protrusion portion and on a side facing an optical axis of the lens barrel.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: October 19, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinga Nakashima, Toshihiro Ogawa, Takazumi Seo, Akira Watanabe, Kohei Uemura, Atsuto Noda