Patents by Inventor Akihiro Ota

Akihiro Ota 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: 11993205
    Abstract: A remote driving taxi system provides a mobility service using remote driving taxis that are driven by remote drivers. Each of the remote driving taxis includes a display lamp configured to indicate whether the remote driving taxi is currently available. Management information includes use states of the remote driving taxis and assignment states between the remote driving taxis and the remote drivers. The remote driving taxi system puts on the display lamp of the remote driving taxi to which the remote driver has already been assigned and that is currently available, based on the management information. Further, the remote driving taxi system puts off the display lamp of the remote driving taxi to which the remote driver has already been assigned and that is currently unavailable, based on the management information.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: May 28, 2024
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Toru Nishitani, Rio Suda, Hiroshi Yonenaga, Hidekazu Sasaki, Tatsushi Takenaka, Shun Ota, Akihiro Kusumoto
  • Publication number: 20240154408
    Abstract: A semiconductor device includes: a first input terminal and a second input terminal configured to be connected to both ends of a sense resistor, respectively; a square wave generation circuit configured to receive a voltage applied to the first input terminal and the second input terminal and generate a square wave signal having an amplitude proportional to a voltage across the sense resistor; a current detection signal output circuit configured to output a current detection signal according to a current flowing through the sense resistor based on the square wave signal, wherein the square wave generation circuit has a plurality of switching transistors and generates the square wave signal by controlling states of the switching transistors, and wherein a set of diodes having mutually opposite forward directions is formed in series between a back gate of each of the switching transistors and the ground.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 9, 2024
    Inventor: Akihiro OTA
  • Publication number: 20240133829
    Abstract: A processing apparatus, a system, a method and a program for applying non-negative matrix factorization to one or more measured profiles of X-ray powder diffraction based on known information are provided. A processing apparatus for applying non-negative matrix factorization to a measured profile of X-ray powder diffraction comprises a measured profile acquiring section for acquiring one or more measured profiles, a known information acquiring section for acquiring known information including a shape of a predetermined profile corresponding to a background or a predetermined substance included in the measured profile, or a restriction of a coefficient matrix of the predetermined profile, and a decomposition section for applying non-negative matrix factorization to the measured profile based on the known information.
    Type: Application
    Filed: October 12, 2023
    Publication date: April 25, 2024
    Applicant: Rigaku Corporation
    Inventors: Takumi OTA, Norihiro MUROYAMA, Akihiro HIMEDA
  • Publication number: 20240045484
    Abstract: An asynchronous serial data communication circuit includes a clock signal generator configured to generate a clock signal, a storage configured to store the temperature characteristics of the frequency of the clock signal in a non-volatile manner, and a communicator configured to perform asynchronous serial data communication based on the clock signal and to transmit the temperature characteristics of the frequency of the clock signal stored in the storage.
    Type: Application
    Filed: October 18, 2023
    Publication date: February 8, 2024
    Inventor: Akihiro OTA
  • Patent number: 11855242
    Abstract: A light emitting device includes: a light emitting element; a wavelength conversion member including: a wavelength conversion portion arranged on or above an upper surface of the light emitting element, and a light-transmissive portion, wherein, in a plan view, the light-transmissive portion surrounds at least one or more lateral surfaces of the wavelength conversion portion; a sealing member comprising a lens portion that is arranged on or above an upper surface of the wavelength conversion member; and a light reflection member that surrounds one or more lateral surfaces of the wavelength conversion member. In a plan view, the wavelength conversion member is inside a perimeter of the lens portion.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: December 26, 2023
    Assignee: NICHIA CORPORATION
    Inventors: Akihiro Ota, Takuya Nagamoto
  • Publication number: 20230227212
    Abstract: Provided is a zipper tape including: a first member including a first base strip and a first engagement portion, the first engagement portion protruding from the first base strip; and a second member including a second base strip and a second engagement portion, the second engagement portion protruding from the second base strip and being engageable with the first engagement portion. A minimum gap between the first member and the second member is less than or equal to 1.1 mm, the minimum gap being based on when the first base strip and the second base strip are opposed to each other and the first engagement portion and the second engagement portion are engaged with each other.
    Type: Application
    Filed: June 4, 2021
    Publication date: July 20, 2023
    Applicant: IDEMITSU UNITECH CO., LTD.
    Inventors: Ryo KATADA, Takumi TODAKA, Akihiro OTA
  • Publication number: 20220037565
    Abstract: A light emitting device includes: a light emitting element; a wavelength conversion member including: a wavelength conversion portion arranged on or above an upper surface of the light emitting element, and a light-transmissive portion, wherein, in a plan view, the light-transmissive portion surrounds at least one or more lateral surfaces of the wavelength conversion portion; a sealing member comprising a lens portion that is arranged on or above an upper surface of the wavelength conversion member; and a light reflection member that surrounds one or more lateral surfaces of the wavelength conversion member. In a plan view, the wavelength conversion member is inside a perimeter of the lens portion.
    Type: Application
    Filed: October 19, 2021
    Publication date: February 3, 2022
    Inventors: Akihiro OTA, Takuya NAGAMOTO
  • Publication number: 20210387354
    Abstract: An automatic workpiece conveyance machine configured to perform centering without the addition of new mechanical structures, comprising: a workpiece gripping device configured to grip a workpiece between the workpiece gripping device and a receiving chuck of a work machine; a workpiece delivery device having a moving mechanism for moving the workpiece gripping device on a centering plane orthogonal to the center axis of the receiving chuck; and a control device, configured to control the driving of the receiving chuck and the workpiece gripping device, and configured to identify the centering position based on torque generated in a positioning motor constituting the workpiece delivery device with one of the receiving chuck and the workpiece gripping device, gripping the workpiece, while the other one gripping and releasing the workpiece.
    Type: Application
    Filed: November 1, 2018
    Publication date: December 16, 2021
    Applicant: FUJI CORPORATION
    Inventors: Akihiro OTA, Takafumi HARAGUCHI
  • Patent number: 11171268
    Abstract: A light emitting device includes: a support member; a light emitting element mounted on the support member; a wavelength conversion member arranged on or above the light emitting element and that is larger than the light emitting element in a plan view, the wavelength conversion member including: a wavelength conversion portion that is arranged on or above the light emitting element, and a light-transmissive portion; a light reflection member that is spaced away from a side surface of the wavelength conversion member and a side surface the light emitting element and arranged on or above the support member, and surrounds the light-transmissive portion; and a light-transmissive member that is arranged between the light reflection member and the side surface of the light emitting element, and is in contact with a part of the light-transmissive portion of the wavelength conversion member and the side surface of the light emitting element.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: November 9, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Akihiro Ota, Takuya Nagamoto
  • Publication number: 20200098953
    Abstract: A light emitting device includes: a support member; a light emitting element mounted on the support member; a wavelength conversion member arranged on or above the light emitting element and that is larger than the light emitting element in a plan view, the wavelength conversion member including: a wavelength conversion portion that is arranged on or above the light emitting element, and a light-transmissive portion; a light reflection member that is spaced away from a side surface of the wavelength conversion member and a side surface the light emitting element and arranged on or above the support member, and surrounds the light-transmissive portion; and a light-transmissive member that is arranged between the light reflection member and the side surface of the light emitting element, and is in contact with a part of the light-transmissive portion of the wavelength conversion member and the side surface of the light emitting element.
    Type: Application
    Filed: August 16, 2019
    Publication date: March 26, 2020
    Applicant: NICHIA CORPORATION
    Inventors: Akihiro OTA, Takuya NAGAMOTO
  • Patent number: 10374143
    Abstract: A semiconductor integrated circuit constituting a part of a sensor signal processing apparatus for processing sensor signal output from a sensor includes: a first terminal where one end of a vibrator externally attached to the semiconductor integrated circuit is connected and a second terminal where the other end of the vibrator is connected; and an oscillation circuit oscillating the vibrator connected via the first and second terminals, wherein the oscillator circuit intermittently oscillating the vibrator based on control signal, wherein a first period where the oscillation circuit oscillates the vibrator and a second period where the oscillation circuit does not oscillate the vibrator are alternately switched, wherein, during the first period, potentials of the first and second terminals are alternately switched complementarily to high level and low level, and wherein, during the second period, the potentials of the first terminal and the second terminal are fixed to the low level.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: August 6, 2019
    Assignee: Rohm Co., Ltd.
    Inventors: Akihiro Ota, Yuzo Mizushima, Yuji Kaneda, Isao Niwa
  • Patent number: 10008284
    Abstract: A semiconductor device is packaged in a module and includes an interface arranged to perform data communication with outside of the device, and a detector arranged to detect whether or not a module output terminal is in a non-normal state. The module has a module power source terminal and a module output terminal, but has no data communication dedicated terminal. When the module output terminal is in the non-normal state, the interface uses the module output terminal or the module power source terminal so as to proceed to a module data communication mode for data communication with outside.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: June 26, 2018
    Assignee: Rohm Co., Ltd.
    Inventor: Akihiro Ota
  • Patent number: 9960326
    Abstract: A light emitting device includes a base substrate having a recessed portion at a flat upper surface thereof. The recessed portion has an inner wall. A sealing member is provided in the recessed portion. The sealing member contains surface-treated particles, or particles coexisting with a dispersing agent. The particles have a particle diameter of 1 nm or more and 100 ?m or less. The particles are made of an organic material or an inorganic material. The organic material and the inorganic material are free of a phosphor. The at least a part of an edge portion of the sealing member is a region located in the vicinity of an edge of the recessed portion which is a boundary between a surface of the inner wall and the flat upper surface. The at least one of the particles and aggregates of particles are unevenly distributed in the region.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: May 1, 2018
    Assignee: NICHIA CORPORATION
    Inventors: Masafumi Kuramoto, Akiko Yamasaki, Hirofumi Ichikawa, Yasunori Shimizu, Akihiro Ota
  • Publication number: 20180069169
    Abstract: A semiconductor integrated circuit constituting a part of a sensor signal processing apparatus for processing sensor signal output from a sensor includes: a first terminal where one end of a vibrator externally attached to the semiconductor integrated circuit is connected and a second terminal where the other end of the vibrator is connected; and an oscillation circuit oscillating the vibrator connected via the first and second terminals, wherein the oscillator circuit intermittently oscillating the vibrator based on control signal, wherein a first period where the oscillation circuit oscillates the vibrator and a second period where the oscillation circuit does not oscillate the vibrator are alternately switched, wherein, during the first period, potentials of the first and second terminals are alternately switched complementarily to high level and low level, and wherein, during the second period, the potentials of the first terminal and the second terminal are fixed to the low level.
    Type: Application
    Filed: August 31, 2017
    Publication date: March 8, 2018
    Inventors: Akihiro Ota, Yuzo Mizushima, Yuji Kaneda, Isao Niwa
  • Publication number: 20170162765
    Abstract: A light emitting device includes a base substrate having a recessed portion at a flat upper surface thereof. The recessed portion has an inner wall. A sealing member is provided in the recessed portion. The sealing member contains surface-treated particles, or particles coexisting with a dispersing agent. The particles have a particle diameter of 1 nm or more and 100 ?m or less. The particles are made of an organic material or an inorganic material. The organic material and the inorganic material are free of a phosphor. The at least a part of an edge portion of the sealing member is a region located in the vicinity of an edge of the recessed portion which is a boundary between a surface of the inner wall and the flat upper surface. The at least one of the particles and aggregates of particles are unevenly distributed in the region.
    Type: Application
    Filed: February 17, 2017
    Publication date: June 8, 2017
    Applicant: NICHIA CORPORATION
    Inventors: Masafumi KURAMOTO, Akiko YAMASAKI, Hirofumi ICHIKAWA, Yasunori SHIMIZU, Akihiro OTA
  • Patent number: 9653662
    Abstract: A light emitting device (100) according to the present disclosure includes a base substrate (10) having a recessed portion (15) at its upper surface (11); a light emitting element (20) provided in the recessed portion (15); and a sealing member (30) provided in the recessed portion (15), in which the sealing member (30) contains surface-treated particles (40), or particles (40) coexisting with a dispersing agent, and at least a part of an edge portion of the sealing member (30) is a region located in the vicinity of an edge (17) of the recessed portion, and in which at least one of the particles (40) and aggregates (41) of particles are unevenly distributed.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: May 16, 2017
    Assignee: NICHIA CORPORATION
    Inventors: Masafumi Kuramoto, Akiko Yamasaki, Hirofumi Ichikawa, Yasunori Shimizu, Akihiro Ota
  • Patent number: 9559274
    Abstract: Provided a light emitting device comprising: a package; a light emitting element disposed in the package; an encapsulation member that covers the light emitting element, the encapsulation member being formed from a resin composition that contains a fluorescent material, a resin, and nanoparticles selected from at least one of the group consisting of aluminum oxide nanoparticles, titanium oxide nanoparticles, zinc oxide nanoparticles, zirconium oxide nanoparticles, and silicon oxide nanoparticles, wherein when the resin composition includes silicon oxide nanoparticles, the content of the silicon oxide nanoparticles is 0.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: January 31, 2017
    Assignee: NICHIA CORPORATION
    Inventors: Akihiro Ota, Seitaro Akagawa, Hirofumi Ichikawa, Yasunori Shimizu
  • Publication number: 20160233396
    Abstract: Provided a light emitting device comprising: a package; a light emitting element disposed in the package; an encapsulation member that covers the light emitting element, the encapsulation member being formed from a resin composition that contains a fluorescent material, a resin, and nanoparticles selected from at least one of the group consisting of aluminum oxide nanoparticles, titanium oxide nanoparticles, zinc oxide nanoparticles, zirconium oxide nanoparticles, and silicon oxide nanoparticles, wherein when the resin composition includes silicon oxide nanoparticles, the content of the silicon oxide nanoparticles is 0.
    Type: Application
    Filed: April 19, 2016
    Publication date: August 11, 2016
    Applicant: NICHIA CORPORATION
    Inventors: Akihiro OTA, Seitaro AKAGAWA, Hirofumi ICHIKAWA, Yasunori SHIMIZU
  • Patent number: 9397276
    Abstract: Provided a light emitting device comprising: a package; a light emitting element disposed in the package; an encapsulation member that covers the light emitting element, the encapsulation member being formed from a resin composition that contains a fluorescent material, a resin, and nanoparticles selected from at least one of the group consisting of aluminum oxide nanoparticles, titanium oxide nanoparticles, zinc oxide nanoparticles, zirconium oxide nanoparticles, and silicon oxide nanoparticles, wherein when the resin composition includes silicon oxide nanoparticles, the content of the silicon oxide nanoparticles is 0.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: July 19, 2016
    Assignee: NICHIA CORPORATION
    Inventors: Akihiro Ota, Seitaro Akagawa, Hirofumi Ichikawa, Yasunori Shimizu
  • Publication number: 20160111610
    Abstract: Provided a light emitting device comprising: a package; a light emitting element disposed in the package; an encapsulation member that covers the light emitting element, the encapsulation member being formed from a resin composition that contains a fluorescent material, a resin, and nanoparticles selected from at least one of the group consisting of aluminum oxide nanoparticles, titanium oxide nanoparticles, zinc oxide nanoparticles, zirconium oxide nanoparticles, and silicon oxide nanoparticles, wherein when the resin composition includes silicon oxide nanoparticles, the content of the silicon oxide nanoparticles is 0.
    Type: Application
    Filed: January 20, 2015
    Publication date: April 21, 2016
    Inventors: Akihiro OTA, Seitaro AKAGAWA, Hirofumi ICHIKAWA, Yasunori SHIMIZU