Patents by Inventor Naoki Suzuki

Naoki Suzuki 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: 20220109184
    Abstract: A solid electrolyte for an all-solid secondary battery, the solid electrolyte including: Li, S, P, an M1 element, and an M2 element, wherein the M1 element is at least one element selected from Na, K, Rb, Sc, Fr, and the M2 element is at least one element selected from F, Cl, Br, I, molar amounts of lithium and the M1 element satisfy 0<M1/(Li+M1)?0.07, and the solid electrolyte has peaks at positions of 15.42°±0.50° 2?, 17.87° degrees±0.50° degrees 2?, 25.48° degrees±0.50° degrees 2?, 30.01° degrees±0.50° 2?, and 31.38°±0.50° 2? when analyzed by X-ray diffraction using CuK? radiation.
    Type: Application
    Filed: December 15, 2021
    Publication date: April 7, 2022
    Inventors: Tomoyuki TSUJIMURA, Naoki SUZUKI, Yuichi AIHARA
  • Patent number: 11271644
    Abstract: An optical signal control device (70) is configured to include: a leakage amount calculating unit (83) calculating, from a light intensity measured by a first light intensity measuring unit (77) and a light intensity measured by a second light intensity measuring unit (78), a leakage amount of light leaking from other optical signals to each of optical signals included in a combined signal; and an attenuation amount calculating unit (84) calculating, from the light intensity measured by the second light intensity measuring unit (78) and the leakage mount of light, an attenuation amount of each of the optical signals included in the combined signal, and a wavelength selective switch (71) attenuates each of the optical signals included in the combined signal depending on the attenuation amount calculated by the attenuation amount calculating unit (84).
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: March 8, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroshi Miura, Naoki Suzuki
  • Patent number: 11248902
    Abstract: An optical distance measurement device includes: a photodetector including PDs for receiving interference light output from an optical interference unit and outputting detection signals of the interference light; and a switch for selecting one of the detection signals output from the PDs, in which a distance calculation unit calculates a distance to a measurement object on the basis of the detection signal selected by the switch.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: February 15, 2022
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiroki Goto, Yoshihiro Matsumoto, Kiyoshi Onohara, Naoki Suzuki, Takayuki Yanagisawa
  • Patent number: 11245131
    Abstract: A solid electrolyte for an all-solid secondary battery, the solid electrolyte including: Li, S, P, an M1 element, and an M2 element, wherein the M1 element is at least one element selected from Na, K, Rb, Sc, Fr, and the M2 element is at least one element selected from F, Cl, Br, I, molar amounts of lithium and the M1 element satisfy 0<M1/(Li+M1)?0.07, and the solid electrolyte has peaks at positions of 15.42°±0.50° 2?, 17.87° degrees±0.50° degrees 2?, 25.48° degrees±0.50° degrees 2?, 30.01° degrees±0.50° 2?, and 31.38°±0.50° 2? when analyzed by X-ray diffraction using CuK? radiation.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: February 8, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tomoyuki Tsujimura, Naoki Suzuki, Yuichi Aihara
  • Publication number: 20220004074
    Abstract: An optical modulation control device includes: a photodetector or a photodetector which detects light emitted from a Mach-Zehnder interferometer and outputs an intensity signal indicating intensity of the light; and a phase-bias search unit which searches for and obtains a phase bias when the intensity signal outputted from the photodetector has a local minimum value or a phase bias when the intensity signal outputted from the photodetector has a local maximum value while adjusting a phase bias injected into an optical path inside the Mach-Zehnder interferometer, and records a set of the obtained phase bias and a wavelength of the light.
    Type: Application
    Filed: September 20, 2021
    Publication date: January 6, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hiroshi MIURA, Naoki SUZUKI
  • Publication number: 20210396880
    Abstract: An optical distance measurer includes: a beam splitter splitting a laser beam and outputting as measurement light and reference light; a measurement light beam splitter splitting the measurement light and outputting as first measurement light and second measurement light; a reference light beam splitter splitting the reference light and outputting as first reference light and second reference light; a first optical system having a first Rayleigh length, the first optical system emitting the first measurement light to a target object; and a second optical system having a second Rayleigh length different from the first Rayleigh length, the second optical system emitting the second measurement light to the target object; a first receiver receiving the first reference light and first reflection light that is the first measurement light reflected by the target object and outputting a first receiving signal indicating the first reference light and the first reflection light; and a second receiver receiving the seco
    Type: Application
    Filed: September 1, 2021
    Publication date: December 23, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takanori YAMAUCHI, Hiroki GOTO, Tsuyoshi YOSHIDA, Kiyoshi ONOHARA, Naoki SUZUKI
  • Patent number: 11196226
    Abstract: An optical amplifying device according to the present invention includes: an optical propagation path including an optical amplifier for amplifying input light; an excitation light source for generating excitation light to excite the optical amplifier; first and second optical receivers detect the power of the input light in the optical propagation path before being amplified by the optical amplifier and the power of the light in the optical propagation path after being amplified by the optical amplifier; a third optical receiver for detecting the power of light having a traveling direction opposite to that of the input light amplified by the optical amplifier, in the optical propagation path; and a control unit for controlling the excitation light source on the basis of the light power detected by the first optical receiver, the light power detected by the second optical receiver, and the light power detected by the third optical receiver.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: December 7, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiroshi Miura, Naoki Suzuki
  • Patent number: 11171776
    Abstract: An encryption key distribution system includes: a key distribution ECU that transmits an encryption key; and a key reception ECU that receives the encryption key, the key distribution ECU: transmits the encryption key to the key reception ECU; and determines completion of transmission of the encryption key, based on a result of determination as to whether first verification data transmitted from the key reception ECU matches second verification data of the encryption key which is calculated from a common key stored in the key distribution ECU and an identifier of the key reception ECU, the key reception ECU: records the received encryption key in the key reception ECU; calculates the first verification data from the same common key as the common key stored in the key reception ECU and the identifier of the key reception ECU; and transmits the calculated first verification data to the key distribution ECU.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: November 9, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Kenta Usui, Yasuhiko Abe, Naoki Suzuki
  • Patent number: 11153540
    Abstract: A multi-projection system includes a plurality of projectors and combines projection images of the plurality of projectors with each other to thereby display an image including an item selection image used to select an item to be adjusted from a plurality of adjustment items on a projection surface, a first projector as one of the plurality of projectors including a receiving section configured to receive an instruction related to an adjustment of the multi-projection system, and a condition control section configured to make a condition of the adjustment item in the item selection image different between a first case where the instruction represents a first adjustment of adjusting the plurality of projectors in a lump and a second case where the instruction represents a second adjustment of individually adjusting the plurality of projectors.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: October 19, 2021
    Assignee: Seiko Epson Corporation
    Inventor: Naoki Suzuki
  • Publication number: 20210280853
    Abstract: An all-solid secondary battery, including: a cathode; an anode; and a solid electrolyte layer disposed between the cathode and the anode, wherein the anode comprises an anode current collector; a first anode active material layer in contact with the anode current collector and comprising a first metal; a second anode active material layer disposed between the first anode active material layer and the solid electrolyte layer and comprising a carbon-containing active material; and a contact layer between the second anode active material layer and the solid electrolyte layer, and disposed such that the contact layer prevents contact between the second anode active material layer and the solid electrolyte layer, wherein the contact layer comprises a second metal, and has a thickness less than a thickness of the first anode active material layer.
    Type: Application
    Filed: November 10, 2020
    Publication date: September 9, 2021
    Inventors: Sewon KIM, Sungkyun JUNG, Naoki SUZUKI, Satoshi FUJIKI, Tomoyuki TSUJIMURA, Hyeokjo GWON, Jusik KIM
  • Patent number: 11085850
    Abstract: There are included: a light source (11) that outputs pulsed light; an optical splitter (12) that splits the pulsed light output from the light source (11) and outputs the split pulsed light from each of a plurality of second ports; a plurality of VOAs (13) that is each connected to a corresponding one of the second ports of the optical splitter (12), and attenuates and outputs the pulsed light input from the optical splitter (12); a plurality of optical couplers (14) each of whose first port is connected to output of a corresponding one of the VOAs (13) and each of whose second port is connected to one end of a corresponding one of a plurality of transmission lines (2) to be measured; a light receiving element (15) that receives backscattered light from the one end of each of the transmission lines (2); a power adjustment unit (16) that individually controls each of the VOAs (13); and a data processing unit (17) that performs abnormality detection on each of the transmission lines (2) from a result of light r
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: August 10, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yuita Noguchi, Naoki Suzuki
  • Publication number: 20210210791
    Abstract: An all-solid-state secondary battery including: a cathode including a cathode active material layer; an anode including an anode current collector, and an anode active material layer on the anode current collector, wherein the anode active material layer includes an anode active material which is alloyable with lithium or forms a compound with lithium; and a solid electrolyte layer between the cathode and the anode, wherein a ratio of an initial charge capacity (b) of the anode active material layer to an initial charge capacity (a) of the cathode active material layer satisfies a condition of Equation 1: 0.01<(b/a)<0.5, wherein a is the initial charge capacity of the cathode active material layer determined from a first open circuit voltage to a maximum charging voltage, and b is the initial charge capacity of the anode active material layer determined from a second open circuit voltage to 0.01 volts vs. Li/Li+.
    Type: Application
    Filed: March 22, 2021
    Publication date: July 8, 2021
    Inventors: Naoki SUZUKI, Nobuyoshi YASHIRO, Takanobu YAMADA, Yuichi AIHARA
  • Publication number: 20210199424
    Abstract: A machine tool includes a machining unit for feeding cutting oil to a work surface of a workpiece and machining the work surface, an optical sensor body unit dividing light outputted from a frequency sweep light source for outputting light whose frequency varies periodically into irradiation light with which the workpiece is to be irradiated and reference light, irradiating the workpiece with the irradiation light, detecting a peak frequency of interference light between reflected light which is irradiation light reflected by the workpiece, and the reference light, and measuring the distance from the machine tool to the work surface on the basis of the peak frequency, and a shape calculation unit calculating the shape of the workpiece on the basis of the distance measured by the optical sensor body unit.
    Type: Application
    Filed: March 11, 2021
    Publication date: July 1, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hiroki GOTO, Kiyoshi ONOHARA, Masaharu IMAKI, Naoki SUZUKI, Takayuki YANAGISAWA
  • Patent number: 10985407
    Abstract: An all-solid-state secondary battery including: a cathode including a cathode active material layer; an anode including an anode current collector, and an anode active material layer on the anode current collector, wherein the anode active material layer includes an anode active material which is alloyable with lithium or forms a compound with lithium; and a solid electrolyte layer between the cathode and the anode, wherein a ratio of an initial charge capacity (b) of the anode active material layer to an initial charge capacity (a) of the cathode active material layer satisfies a condition of Equation 1: 0.01<(b/a)<0.5, wherein a is the initial charge capacity of the cathode active material layer determined from a first open circuit voltage to a maximum charging voltage, and b is the initial charge capacity of the anode active material layer determined from a second open circuit voltage to 0.01 volts vs. Li/Li+.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: April 20, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Naoki Suzuki, Nobuyoshi Yashiro, Takanobu Yamada, Yuichi Aihara
  • Publication number: 20210111790
    Abstract: An optical signal control device (70) is configured to include: a leakage amount calculating unit (83) calculating, from a light intensity measured by a first light intensity measuring unit (77) and a light intensity measured by a second light intensity measuring unit (78), a leakage amount of light leaking from other optical signals to each of optical signals included in a combined signal; and an attenuation amount calculating unit (84) calculating, from the light intensity measured by the second light intensity measuring unit (78) and the leakage mount of light, an attenuation amount of each of the optical signals included in the combined signal, and a wavelength selective switch (71) attenuates each of the optical signals included in the combined signal depending on the attenuation amount calculated by the attenuation amount calculating unit (84).
    Type: Application
    Filed: March 20, 2018
    Publication date: April 15, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hiroshi MIURA, Naoki SUZUKI
  • Patent number: 10951345
    Abstract: A transmitter generates a burst signal obtained by multiplexing signals of a first polarization and a second polarization orthogonal to each other, and including, at the beginning thereof, a pilot sequence in which the first and the second polarizations each have single frequency components of a first frequency and a second frequency different from each other. A coherent light reception unit performs conversion into an electrical signal by allowing received light and local light to interfere with each other. A pilot sequence detection unit detects a pilot sequence from the converted electrical signal. The polarization estimation unit estimates polarization states of the first polarization and the second polarization at a receiver from frequency components corresponding to the first frequency, and the second frequency. An equalizer demultiplexes the first polarization and the second polarization on the basis of the estimated polarization states.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: March 16, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Keisuke Matsuda, Ryosuke Matsumoto, Naoki Suzuki
  • Patent number: 10939597
    Abstract: A component mounting device includes a conveyance unit that conveys a placement member on which a mounting target is placed, a head unit movable in a horizontal plane, and a controller. The controller transfers the mounting target from the conveyance unit to a transfer position by controlling movement of the head unit in the horizontal plane in a state in which the placement member is held by one or a plurality of heads of the head unit.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: March 2, 2021
    Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Naoki Suzuki, Norimitsu Suzuki
  • Publication number: 20210048287
    Abstract: An optical distance measurement device includes: a photodetector including PDs for receiving interference light output from an optical interference unit and outputting detection signals of the interference light; and a switch for selecting one of the detection signals output from the PDs, in which a distance calculation unit calculates a distance to a measurement object on the basis of the detection signal selected by the switch.
    Type: Application
    Filed: November 4, 2020
    Publication date: February 18, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hiroki GOTO, Yoshihiro MATSUMOTO, Kiyoshi ONOHARA, Naoki SUZUKI, Takayuki YANAGISAWA
  • Publication number: 20210048369
    Abstract: There are included: a light source (11) that outputs pulsed light; an optical splitter (12) that splits the pulsed light output from the light source (11) and outputs the split pulsed light from each of a plurality of second ports; a plurality of VOAs (13) that is each connected to a corresponding one of the second ports of the optical splitter (12), and attenuates and outputs the pulsed light input from the optical splitter (12); a plurality of optical couplers (14) each of whose first port is connected to output of a corresponding one of the VOAs (13) and each of whose second port is connected to one end of a corresponding one of a plurality of transmission lines (2) to be measured; a light receiving element (15) that receives backscattered light from the one end of each of the transmission lines (2); a power adjustment unit (16) that individually controls each of the VOAs (13); and a data processing unit (17) that performs abnormality detection on each of the transmission lines (2) from a result of light r
    Type: Application
    Filed: February 23, 2018
    Publication date: February 18, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yuita NOGUCHI, Naoki SUZUKI
  • Publication number: 20210010802
    Abstract: The optical distance measurement device is configured in such a manner that the frequency-swept light output unit outputs frequency-swept light during a time period from when frequency sweeping of frequency-swept light being output is completed to when the next frequency sweeping becomes possible, the frequency-swept light output during the time period being frequency swept at a different frequency from the frequency-swept light being output.
    Type: Application
    Filed: September 30, 2020
    Publication date: January 14, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Kiyoshi ONOHARA, Hiroki GOTO, Naoki SUZUKI