Patents by Inventor Hiroyuki Nakamura

Hiroyuki Nakamura 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: 20240118635
    Abstract: Provided is an electrophotographic photosensitive member that achieves satisfactory transferability. An electrophotographic photosensitive member including a charge generating layer, a charge transporting layer, and a protection layer laminated on a support in the stated order, wherein the protection layer contains a binder resin and particles, and wherein when an average thickness of the protection layer in a site free of the particles is represented by T and a volume-average particle diameter of the particles is represented by Dm in a cross-section of the protection layer, the following formula (a) is satisfied.
    Type: Application
    Filed: November 30, 2023
    Publication date: April 11, 2024
    Inventors: TOMOHITO ISHIDA, SHUNTARO WATANABE, NOBUHIRO NAKAMURA, TATSUYA YAMAAI, HIROYUKI WATANABE, MASATADA HIROTA
  • Patent number: 11953610
    Abstract: Movement information is calculated with high accuracy, without being influenced by the number of GNSS signals receivable by each of a plurality of antennas. A movement information calculating device includes a plurality of antennas, a clock generator, a plurality of GNSS receivers, and an arithmetic logical unit. The plurality of antennas, each receives a GNSS signal. The clock generator generates a clock signal. The plurality of GNSS receivers are connected to the respective antennas, and share the clock signal from the clock generator and calculate GNSS observed values by using the shared clock signal and the GNSS signals, respectively. The arithmetic logical unit calculates movement information including a speed of a movable body based on the GNSS observed values from the plurality of GNSS receivers.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: April 9, 2024
    Assignee: Furuno Electric Co., Ltd.
    Inventors: Tatsuya Sonobe, Hiraku Nakamura, Hiroyuki Toda
  • Publication number: 20240114793
    Abstract: A piezoelectric element includes a substrate; and a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode which are provided on the substrate in this order, in which both the first piezoelectric film and the second piezoelectric film contain PZT having a metal element M doped thereto, as a main component, one piezoelectric film of the first piezoelectric film and the second piezoelectric film has a spontaneous polarization aligned in a film thickness direction, and in a case where in a hysteresis curve showing polarization-voltage characteristics of the one piezoelectric film, a coercive voltage Vcf+ on a positive side and a coercive voltage Vcf? on a negative side, and in polarization-voltage characteristics of the other piezoelectric film, a coercive voltage Vcr+ on a positive side and a coercive voltage Vcr? on a negative sid, |Vcr++Vcr?|<|Vcf++Vcf?|?0.2 is satisfied.
    Type: Application
    Filed: August 29, 2023
    Publication date: April 4, 2024
    Inventors: Hiroyuki KOBAYASHI, Seigo NAKAMURA, Shinya SUGIMOTO, Tsutomu SASAKI
  • Publication number: 20240114796
    Abstract: A piezoelectric element includes a substrate; and a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode which are provided on the substrate in this order, in which both the first piezoelectric film and the second piezoelectric film contain a perovskite-type oxide containing Pb Zr, Ti, and M, as a main component, Pb composition ratios in the perovskite-type oxides contained in the first piezoelectric film and the second piezoelectric film are different from each other, and polarization-electric field hysteresis measured for the first piezoelectric film with the first electrode grounded and the second electrode as a drive electrode, and polarization-electric field hysteresis measured for the second piezoelectric film with the second electrode grounded and the third electrode as a drive electrode are shifted in the same electric field direction with respect to origins thereof.
    Type: Application
    Filed: August 23, 2023
    Publication date: April 4, 2024
    Inventors: Seigo NAKAMURA, Hiroyuki KOBAYASHI, Shinya SUGIMOTO, Tsutomu SASAKI
  • Publication number: 20240114797
    Abstract: A piezoelectric element includes a substrate, a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode, in which both the first piezoelectric film and the second piezoelectric film have spontaneous polarizations aligned in a film thickness direction and directions of the spontaneous polarizations are the same, and in a case where in a hysteresis curve of one piezoelectric film, a coercive voltage Vcf+, a coercive voltage Vcf?, |Vcf+?Vcf?|=?Vcf, and the larger of an absolute value of Vcf+ and an absolute value of Vcf? is denoted by Vcf, and in a hysteresis curve of the other piezoelectric film, a coercive voltage Vcr+, a coercive voltage Vcr?, |Vcr+?Vcr?|=?Vcr, and the larger of an absolute value of Vcr+ and an absolute value Vcr? is denoted by Vcr, ?Vcr<?Vcf?0.2 and Vcr<Vcf?0.2 are satisfied.
    Type: Application
    Filed: August 23, 2023
    Publication date: April 4, 2024
    Inventors: Hiroyuki KOBAYASHI, Seigo NAKAMURA, Shinya SUGIMOTO, Tsutomu SASAKI
  • Publication number: 20240114801
    Abstract: A piezoelectric element includes a substrate; and a first electrode, a first piezoelectric film, a second electrode, a second piezoelectric film, and a third electrode which are provided on the substrate in this order, in which both the first piezoelectric film and the second piezoelectric film contain a perovskite-type oxide containing Pb at an A site and containing Zr, Ti, and M at a B site as a main component, an M composition ratio in the first piezoelectric film is different from an M composition ratio in the second piezoelectric film, and polarization-electric field hysteresis measured for the first piezoelectric film with the first electrode grounded and the second electrode as a drive electrode, and polarization-electric field hysteresis measured for the second piezoelectric film with the second electrode grounded and the third electrode as a drive electrode are shifted in the same electric field direction with respect to origins thereof.
    Type: Application
    Filed: August 29, 2023
    Publication date: April 4, 2024
    Inventors: Seigo NAKAMURA, Hiroyuki KOBAYASHI, Shinya SUGIMOTO, Tsutomu SASAKI
  • Patent number: 11949288
    Abstract: An object of the present invention is to provide a wheel drive device capable of suppressing a temperature increase in an electric motor and a power conversion device and suppressing occurrence of a failure of an electric component. Provided are: an electric motor having a stator 60 and a rotor 40; a stator holder 80 that holds the stator 60; a power conversion device 100 that converts power supplied to the electric motor; and a wheel which accommodates the electric motor, the stator holder 80, and the power conversion device 100 on the inner peripheral side. The stator holder 80 includes a flow path 90 through which a cooling medium flows. The flow path 90 is arranged between the stator 60 and the power conversion device 100.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: April 2, 2024
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Takahiro Araki, Kinya Nakatsu, Takayoshi Nakamura, Akihiro Namba, Hiroyuki Ooiwa, Hideki Miyazaki
  • Patent number: 11946143
    Abstract: A laminate comprising a substrate; and a plating-forming layer disposed on at least one surface of both surfaces of the substrate and containing a thermoplastic resin and a plating catalyst, wherein the plating-forming layer further satisfies conditions of the following (1) and/or (2), (1) the plating-forming layer contains a dispersing agent for dispersing the plating catalyst (2) an abundance of the plating catalyst on a surface side of the plating-forming layer is higher than an abundance of the plating catalyst on the substrate side of the plating-forming layer.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: April 2, 2024
    Assignee: Arisawa Mfg. Co., Ltd.
    Inventors: Kenji Nakamura, Yoshihiko Konno, Hiroyuki Matsuyama, Makoto Tai, Shuichi Fujita
  • Publication number: 20240096743
    Abstract: In a semiconductor device including a flexible insulating member on a heat dissipation surface, resin burrs entering underneath the flexible insulating member are prevented from generating in a sealing member. A power module includes a conductive die bonding portion, a semiconductor element bonded to an upper surface of the die bonding portion, a sealing member sealing the die bonding portion and the semiconductor element, and a flexible insulating member bonded to a lower surface of the die bonding portion. The flexible insulating member is arranged in a recessed portion on a lower surface of the sealing member and has a convex portion protruding from the lower surface of the sealing member.
    Type: Application
    Filed: July 17, 2023
    Publication date: March 21, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hiroyuki NAKAMURA, Shiori UOTA
  • Patent number: 11936849
    Abstract: A picture coding device includes: a block vector candidate derivation unit that derives block vector candidates of a target block in a target picture from coding information stored in coding information storage memory; a selector that selects a selected block vector from the block vector candidates; and a reference position correction unit that performs a correction regarding a reference block to be referred to by the selected block vector so that a reference position of the reference block is to be corrected to refer to an inside of a referenceable region, in which a decoded sample in the target picture is acquired from decoded picture memory as a prediction value of the target block based on the reference position of the reference block.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: March 19, 2024
    Assignee: JVCKENWOOD Corporation
    Inventors: Hideki Takehara, Hiroya Nakamura, Satoru Sakazume, Shigeru Fukushima, Toru Kumakura, Hiroyuki Kurashige
  • Patent number: 11932263
    Abstract: A travel sickness estimation system includes an estimation unit and an output unit. The estimation unit is configured to perform estimation processing of estimating, based on person information indicating conditions of a person who is on board a moving vehicle, whether or not the person is in circumstances that would cause travel sickness for him or her. The output unit is configured to output a result of the estimation processing performed by the estimation unit.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: March 19, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yuta Moriura, Yoshitaka Nakamura, Yasufumi Kawai, Hiroyuki Handa, Yohei Morishita, Toru Okino, Hiroyuki Hagino, Toru Sakuragawa, Satoshi Morishita
  • Patent number: 11933183
    Abstract: A steam turbine valve abnormality monitoring system according to an embodiment includes a detection unit detecting the state of a steam turbine valve or a steam turbine valve drive device, a determination unit, and an abnormality processing unit. Based on the detected result of the detection unit, the determination unit determines whether or not an abnormality has occurred in the opening degree control of the steam turbine valve. The abnormality processing unit issues an alarm or issues a turbine stop command when the determination unit determines that an abnormality has occurred in the opening degree control of the steam turbine valve.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: March 19, 2024
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Takuhiro Tsunekawa, Yuichi Nakamura, Hisashi Goto, Hiroyuki Miya
  • Publication number: 20240083955
    Abstract: The present invention relates to a highly contracted artificial fibroin fiber including a modified fibroin, in which a contraction percentage defined by the following equation exceeds 7%.
    Type: Application
    Filed: October 6, 2023
    Publication date: March 14, 2024
    Applicants: Spiber Inc., Kojima Industries Corporation
    Inventors: Junichi Sugahara, Keisuke Morita, Hiroyuki Nakamura
  • Patent number: 11925978
    Abstract: An aluminum component and a method for manufacturing the aluminum component has a forming step and a cutting step. Projections (f) extend in an axial direction and are continuously arranged in a circumferential direction. End portions of the projections (f) are cut along a processing line having a predetermined processing diameter (D) providing splines (S) of predetermined dimensions. Side surfaces (fa) are inclined to be tapered in a direction from a base end to a projecting end. A portion of each side surface (fa) adjacent to the projecting end is an inclined surface (fb) with an inclination angle less than an inclination angle of a portion of the side surface that is adjacent to the base end.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: March 12, 2024
    Assignee: Kabushiki Kaisha F.C.C.
    Inventors: Yoshiharu Nakamura, Hiroyuki Kondo
  • Patent number: 11930262
    Abstract: A photographing scenario generator is configured to generate a photographing scenario being a condition for photographing a workpiece based on a condition set in advance. The illumination adjuster is configured to switch, with an illumination condition of the photographing unit being set to be variable, the illumination condition to each of a plurality of illumination conditions during one-time relative approach or retreat between a photographing part and the workpiece. The omnifocal image creator is configured to create, for each illumination condition, an omnifocal image obtained by evaluating a focus for each local area based on a plurality of pieces of image data having different focal points, which have been acquired through photographing under the same illumination condition, and reconstructing the image data from a combination of in-focus local images.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: March 12, 2024
    Assignee: CANON MACHINERY INC.
    Inventors: Hiroyuki Ono, Tsuyoshi Nakamura
  • Patent number: 11926941
    Abstract: A net structure manufacturing apparatus (1) comprising: a nozzle (10) having a discharge hole (11) from which melted thermoplastic resin is extruded so as to be formed as a filament; a water tank (20) disposed below the nozzle (10); a conveying device (30) provided to the water tank (20) and configured to convey a net structure (60) having a resin as the filament (12); and a gas ejection device (40) provided to the water tank (20) and configured to eject gas.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: March 12, 2024
    Assignee: TOYOBO CO., LTD.
    Inventors: Takuo Inoue, Takanori Nakamura, Hiroyuki Tsujii, Shinichi Kobuchi
  • Patent number: 11916533
    Abstract: Surface acoustic wave devices and related methods. In some embodiments, a surface acoustic wave device for providing resonance of a surface acoustic wave having a wavelength ? can include a quartz substrate and a piezoelectric plate formed from LiTaO3 or LiNbO3 disposed over the quartz substrate. The piezoelectric plate can have a thickness greater than 2?. The surface acoustic wave device can further include an interdigital transducer electrode formed over the piezoelectric plate. The interdigital transducer electrode can have a mass density ? in a range 1.50 g/cm3<??6.00 g/cm3, 6.00 g/cm3<??12.0 g/cm3, or 12.0 g/cm3<??23.0 g/cm3, and a thickness greater than 0.148?, greater than 0.079?, or greater than 0.036?, respectively.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: February 27, 2024
    Inventors: Michio Kadota, Shuji Tanaka, Hiroyuki Nakamura
  • Patent number: 11917133
    Abstract: Technology for improving coding efficiency by performing a block split suitable for picture coding and decoding is provided. A moving-picture coding device for performing an affine transform in units of coding blocks includes an affine inheritance merging candidate derivation unit configured to derive an affine inheritance merging candidate for inheriting an affine model of blocks neighboring a coding target block in a space domain, an affine construction merging candidate derivation unit configured to derive an affine construction merging candidate from a plurality of motion information elements of blocks neighboring the coding target block in a space or time domain, and an affine fixation merging candidate derivation unit configured to derive an affine fixation merging candidate in which motion information of an affine control point is fixed. A motion vector of each affine control point is fixed to (0, 0) in the affine fixation merging candidate.
    Type: Grant
    Filed: September 25, 2022
    Date of Patent: February 27, 2024
    Assignee: JVCKENWOOD CORPORATION
    Inventors: Shigeru Fukushima, Hiroya Nakamura, Toru Kumakura, Hideki Takehara, Satoru Sakazume, Hiroyuki Kurashige
  • Publication number: 20240063775
    Abstract: Multiplexers are disclosed. A multiplexer can include a first filter and a second filter that are coupled to a common node. The second filter can include a first type of acoustic wave resonators (e.g., bulk acoustic wave resonators) and a series acoustic wave resonator of a second type (e.g., a surface acoustic wave resonator) that is coupled between the acoustic wave resonators of the first type and the common node. The first filter can provide a single-ended radio frequency signal. In certain embodiments, the first filter can be a receive filter and the second filter can be a transmit filter.
    Type: Application
    Filed: July 25, 2023
    Publication date: February 22, 2024
    Inventors: Yoshiaki Ando, Yasuyuki Saito, Hiroyuki Nakamura
  • Patent number: 11909378
    Abstract: Aspects of this disclosure relate to a surface acoustic wave device that includes a first reflector over a piezoelectric layer, a second reflector over the piezoelectric layer, and an interdigital transducer electrode structure over the piezoelectric layer and positioned between the first reflector and the second reflector. The surface acoustic wave device includes a velocity adjustment layer arranged to adjust acoustic velocity in a region of the surface acoustic wave device. The velocity adjustment layer can be a high speed layer or a low speed layer.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: February 20, 2024
    Assignee: Skyworks Solutions, Inc.
    Inventors: Joshua James Caron, Rei Goto, Benjamin Paul Abbott, Hiroyuki Nakamura