Patents by Inventor Yoshiyuki Kuroda

Yoshiyuki Kuroda 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: 11965256
    Abstract: The present invention provides an alkaline water electrolysis anode such that even when electric power having a large output fluctuation, such as renewable energy, is used as a power source, the electrolysis performance is unlikely to be deteriorated and excellent catalytic activity is retained stably over a long period of time. The alkaline water electrolysis anode is an alkaline water electrolysis anode 10 provided with an electrically conductive substrate 2 at least a surface of which contains nickel or a nickel base alloy and a catalyst layer 6 disposed on the surface of the electrically conductive substrate 2, the catalyst layer 6 containing a nickel-containing metal oxide having a spinel structure, wherein the nickel-containing metal oxide contains nickel (Ni) and manganese (Mn), and has an atom ratio of Li/Ni/Mn/O of (0.0 to 0.8)/(0.4 to 0.6)/(1.0 to 1.8)/4.0.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: April 23, 2024
    Assignees: KYOTO UNIVERSITY, NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY, DE NORA PERMELEC LTD
    Inventors: Yoshiharu Uchimoto, Tomoki Uchiyama, Shigenori Mitsushima, Yoshiyuki Kuroda, Kensaku Nagasawa, Yoshinori Nishiki, Awaludin Zaenal, Yun Bao
  • Patent number: 11895461
    Abstract: Provided is an acoustic reproduction system capable of setting a sound image localization service area at an arbitrary position even in a case where a sound production direction of a directional sound cannot be changed. An acoustic reproduction system according to the present technology includes a sound producing device that emits a directional sound and a sound reflector positioned between a viewer and a viewing target by the viewer and having a sound reflecting surface that reflects the directional sound emitted by the sound producing device.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: February 6, 2024
    Assignee: SONY GROUP CORPORATION
    Inventors: Kohei Asada, Go Igarashi, Kazunobu Ookuri, Yoshiyuki Kuroda, Naoki Shinmen, Chisato Numaoka
  • Patent number: 11866834
    Abstract: The present invention provides an electrode for electrolysis in which electrolysis performance is hard to deteriorate and excellent catalytic activity is kept stable over a long period of time even when electric power in which there is a large fluctuation in output, such as renewable energy, is used as a power source. The electrode for electrolysis is an electrode 10 for electrolysis provided with an electrically conductive substrate 2 at least the surface of which contains nickel or a nickel-based alloy, an intermediate layer 4 formed on the surface of the electrically conductive substrate 2 and containing a lithium-containing nickel oxide represented by composition formula LixNi2-xO2 (0.02?x?0.5), and a catalyst layer 6 of a nickel cobalt spinel oxide, an iridium oxide, or the like, the catalyst layer 6 formed on the surface of the intermediate layer 4.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: January 9, 2024
    Assignees: DE NORA PERMELEC LTD, KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Shigenori Mitsushima, Yoshiyuki Kuroda, Ikuo Nagashima, Tatsuya Taniguchi, Yoshinori Nishiki, Akihiro Kato, Awaludin Zaenal, Fumiya Tsujii, Takaaki Nakai
  • Publication number: 20230408444
    Abstract: The present invention provides an accelerated evaluation method for an anode, the method imitating electric power having a large output fluctuation, such as renewable energy, and enabling an accurate evaluation, in a shorter time, of durability of an anode using such electric power having a large output fluctuation as a power source. The method is an accelerated evaluation method for an anode, the method performing evaluation of the durability of the anode in an accelerated manner by electrochemical operation in an aqueous electrolyte. The method includes a Je step of loading an oxidation current of 0.1 A/cm2 or more to the anode for a duration of Te and an Emin step of holding the anode at a constant potential lower than an open circuit potential for a duration of Train, wherein each of the Je step and the Emin step is repeated 100 times or more.
    Type: Application
    Filed: November 17, 2021
    Publication date: December 21, 2023
    Inventors: Shigenori MITSUSHIMA, Yoshiyuki KURODA, Kensaku NAGASAWA, Ashraf ABDELHALEEM, Awaludin ZAENAL, Yoshinori NISHIKI
  • Publication number: 20230412955
    Abstract: The present disclosure relates to an audiovisual presentation device and a signal processing device that enable a sound image to be localized on a video displayed on a higher-image-quality screen. A plurality of fine holes provided in a substrate of a display unit in which light-emitting elements for displaying a video are arranged in an array on the substrate, and an air chamber of a speaker unit from which sound is output according to an audio signal are connected by a plurality of sound conduits. Further, the audiovisual presentation device includes a plurality of opening/closing mechanisms for individually opening/closing the plurality of sound conduits, and a plurality of micro speakers arranged in an array on the substrate of the display unit to output a higher-frequency sound than speakers of the speaker unit. The present technology can be applied, for example, to high-image-quality LED displays.
    Type: Application
    Filed: October 29, 2021
    Publication date: December 21, 2023
    Inventors: YOSHIYUKI KURODA, GO IGARASHI, NAOKI SHINMEN, MASAKI KAMATA, KOHEI ASADA
  • Publication number: 20230367531
    Abstract: An output apparatus according to an embodiment of the present technology includes: one or more display panels; a support member; and an actuator section. The one or more display panels are capable of displaying an image. The support member includes a support portion for supporting the respective one or more display panels. The actuator section is disposed between the one or more display panels and the support portion and vibrates the respective one or more display panels. In this output apparatus, an image is output by the one or more display panels. Further, the actuator section is disposed between the display panels and the support portion of the support member, and the display panels are vibrated. As a result, it is possible to output an image and sound with high quality.
    Type: Application
    Filed: September 30, 2021
    Publication date: November 16, 2023
    Inventors: NAOKI SHINMEN, GO IGARASHI, KOHEI ASADA, YOSHIYUKI KURODA, MASAKI KAMATA
  • Publication number: 20230336934
    Abstract: An information processing apparatus (30) includes a sound source extraction unit (341) and a mapping processing unit (343). The sound source extraction unit (341) extracts one or more audio data (AD) corresponding to different sound sources from audio content (AC). The mapping processing unit (343) selects, for each audio data (AD), one or more display units (12) to serve as mapping destinations of the audio data (AD) from one or more combinable display units (12) including a sound producing mechanism.
    Type: Application
    Filed: August 19, 2021
    Publication date: October 19, 2023
    Applicant: Sony Group Corporation
    Inventors: Go Igarashi, Naoki Shinmen, Kohei Asada, Yoshiyuki Kuroda, Masaki Kamata
  • Publication number: 20230332309
    Abstract: The present invention provides an alkaline water electrolysis anode such that even when electric power having a large output fluctuation, such as renewable energy, is used as a power source, the electrolysis performance is unlikely to be deteriorated and excellent catalytic activity is retained stably over a long period of time. The alkaline water electrolysis anode is an alkaline water electrolysis anode 10 provided with an electrically conductive substrate 2 at least a surface of which contains nickel or a nickel base alloy and a catalyst layer 6 disposed on the surface of the electrically conductive substrate 2, the catalyst layer 6 containing a metal composite oxide having a quadruple perovskite oxide structure, wherein the metal composite oxide contains calcium (Ca), manganese (Mn), and nickel (Ni), and has an atom ratio of Ca/Mn/Ni/O of (1.0)/(6.6 to 7.0)/(0.1 to 0.4)/12.0.
    Type: Application
    Filed: October 14, 2021
    Publication date: October 19, 2023
    Inventors: Yoshiharu UCHIMOTO, Tomoki UCHIYAMA, Shigenori MITSUSHIMA, Yoshiyuki KURODA, Kensaku NAGASAWA, Yoshinori NISHIKI
  • Publication number: 20230323547
    Abstract: The present invention provides an alkaline water electrolysis anode such that even when electric power having a large output fluctuation, such as renewable energy, is used as a power source, the electrolysis performance is unlikely to be deteriorated and excellent catalytic activity is retained stably over a long period of time. The alkaline water electrolysis anode is an alkaline water electrolysis anode 10 provided with an electrically conductive substrate 2 at least a surface of which contains nickel or a nickel base alloy and a catalyst layer 6 disposed on the surface of the electrically conductive substrate 2, the catalyst layer 6 containing a nickel-containing metal oxide having a spinel structure, wherein the nickel-containing metal oxide contains nickel (Ni) and manganese (Mn), and has an atom ratio of Li/Ni/Mn/O of (0.0 to 0.8)/(0.4 to 0.6)/(1.0 to 1.8)/4.0.
    Type: Application
    Filed: October 14, 2021
    Publication date: October 12, 2023
    Inventors: Yoshiharu UCHIMOTO, Tomoki UCHIYAMA, Shigenori MITSUSHIMA, Yoshiyuki KURODA, Kensaku NAGASAWA, Yoshinori NISHIKI, Awaludin ZAENAL, Yun BAO
  • Publication number: 20230279566
    Abstract: The present invention provides an alkaline water electrolysis anode such that even when electric power having a large output fluctuation, such as renewable energy, is used as a power source, the electrolysis performance is unlikely to be deteriorated and excellent catalytic activity is retained stably over a long period of time. The alkaline water electrolysis anode is an alkaline water electrolysis anode 10 provided with an electrically conductive substrate 2 at least a surface of which contains nickel or a nickel base alloy and a catalyst layer 6 disposed on the surface of the electrically conductive substrate 2, the catalyst layer 6 containing a lithium composite oxide having a rock salt type structure, wherein the lithium composite oxide contains lithium (Li), nickel (Ni), iron (Fe), and aluminum (Al), and has an atom ratio of Li/Ni/Fe/Al/O of (0.4 to 1.1)/(0.4 to 0.8)/(0.05 to 0.2)/(0.05 to 0.2)/2.0.
    Type: Application
    Filed: July 29, 2021
    Publication date: September 7, 2023
    Inventors: Yoshiharu UCHIMOTO, Tomoki UCHIYAMA, Shigenori MITSUSHIMA, Yoshiyuki KURODA, Kensaku NAGASAWA, Yoshinori NISHIKI
  • Patent number: 11722110
    Abstract: A signal processing device includes a first panel displacement control unit to which a first audio signal is input, a second panel displacement control unit to which a second audio signal is input, and a control unit configured to control the first panel displacement control unit and the second panel displacement control unit. The first panel displacement control unit includes a first gain adjustment unit configured to adjust a level of the first audio signal, the second panel displacement control unit includes a second gain adjustment unit configured to adjust a level of the second audio signal, and the control unit includes a correlation determination unit configured to determine presence or absence of a correlation between the first audio signal and the second audio signal, and a gain control unit configured to control a level adjustment amount in each of the first gain adjustment unit and the second gain adjustment unit on the basis of a determination result of the correlation determination unit.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: August 8, 2023
    Assignee: Sony Group Corporation
    Inventors: Michiaki Yoneda, Yoshiyuki Kuroda
  • Publication number: 20230230568
    Abstract: Provided is an information processing apparatus including a sensor, an actuator, a vibration control circuit, a transmission circuit, and a reception circuit. The sensor detects vibration of a control target. The actuator provides vibration control of the control target. The vibration control circuit generates a drive signal for the vibration control for the actuator according to an output signal of the sensor, and outputs the generated drive signal to the actuator. The transmission circuit modulates transmission data to produce a transmission signal, and synthesizes the modulated transmission signal to produce the drive signal for the vibration control that is to be outputted to the actuator. The reception circuit extracts a reception signal from the output signal of the sensor, and demodulates the extracted reception signal to produce reception data.
    Type: Application
    Filed: May 25, 2021
    Publication date: July 20, 2023
    Inventors: YOSHIYUKI KURODA, KOHEI ASADA, KOYA SATO, MASAKI KAMATA, TETSUNORI ITABASHI, SHIGETOSHI HAYASHI
  • Publication number: 20230222998
    Abstract: Provided is an information processing apparatus including a control unit configured to control a gain of a drive signal for an actuator that is used for vibration control of an object to be controlled, according to a processing result of adaptive processing using an output signal from a sensor and the drive signal for the actuator that have been decimated, the sensor being configured to detect vibration of the object to be controlled, the drive signal being generated according to the output signal from the sensor.
    Type: Application
    Filed: May 25, 2021
    Publication date: July 13, 2023
    Inventors: SHIGETOSHI HAYASHI, YOSHIYUKI KURODA, TETSUNORI ITABASHI, KOHEI ASADA, KOYA SATO, MASAKI KAMATA
  • Patent number: 11692276
    Abstract: The present invention realizes industrially excellent effects such that when electric power having a large output fluctuation, such as renewable energy, is used as a power source, electrolysis performance is unlikely to be deteriorated and excellent catalytic activity is retained stably over a longer period of time, and in addition, the present invention provides a technique that enables forming a catalyst layer of an oxygen generation anode, which gives such excellent effects, with a more versatile materials and by a simple electrolysis method.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: July 4, 2023
    Assignees: DE NORA PERMELEC LTD, KAWASAKI JUKOGYO KABUSHIKI KAISHA, NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY
    Inventors: Shigenori Mitsushima, Yoshiyuki Kuroda, Shohei Takatsu, Ikuo Nagashima, Tatsuya Taniguchi, Akihiko Inomata, Ayaka Nagai, Yoshinori Nishiki, Akihiro Kato, Awaludin Zaenal, Takaaki Nakai
  • Patent number: 11659347
    Abstract: Provided is an information processing apparatus that carries out a process of deriving a head related transfer function. The information processing apparatus includes a detection unit that detects a position of a head of a user, a storage unit that stores a head related transfer function of the user, a determination unit that determines a position of a sound source for measuring the head related transfer function of the user based on the position of the head detected by the detection unit and information stored in the storage unit, a control unit that controls the sound source to output measurement signal sound from the position determined by the determination unit, and a calculation unit that calculates the head related transfer function of the user based on collected sound data obtained by collecting, at the position of the head, the measurement signal sound output from the sound source.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: May 23, 2023
    Assignee: SONY CORPORATION
    Inventors: Go Igarashi, Naoki Shinmen, Kohei Asada, Chisata Numaoka, Yoshiyuki Kuroda
  • Publication number: 20230109702
    Abstract: The present invention realizes industrially excellent effects such that when electric power having a large output fluctuation, such as renewable energy, is used as a power source, electrolysis performance is unlikely to be deteriorated and excellent catalytic activity is retained stably over a longer period of time, and in addition, the present invention provides a technique that enables forming a catalyst layer of an oxygen generation anode, which gives such excellent effects, with a more versatile materials and by a simple electrolysis method.
    Type: Application
    Filed: March 8, 2021
    Publication date: April 13, 2023
    Inventors: Shigenori MITSUSHIMA, Yoshiyuki KURODA, Shohei TAKATSU, Ikuo NAGASHIMA, Tatsuya TANIGUCHI, Akihiko INOMATA, Ayaka NAGAI, Yoshinori NISHIKI, Akihiro KATO, Awaludin ZAENAL, Takaaki NAKAI
  • Publication number: 20230009189
    Abstract: Provided is an acoustic reproduction system capable of setting a sound image localization service area at an arbitrary position even in a case where a sound production direction of a directional sound cannot be changed. An acoustic reproduction system according to the present technology includes: a sound producing device that emits a directional sound; and a sound reflector positioned between a viewer and a viewing target by the viewer and having a sound reflecting surface that reflects the directional sound emitted by the sound producing device.
    Type: Application
    Filed: October 23, 2020
    Publication date: January 12, 2023
    Inventors: KOHEI ASADA, GO IGARASHI, KAZUNOBU OOKURI, YOSHIYUKI KURODA, NAOKI SHINMEN, CHISATO NUMAOKA
  • Patent number: 11477572
    Abstract: A speaker drive unit includes a control signal generation unit and a signal processing unit. The control signal generation unit generates a control signal on the basis of detection signals generated by a plurality of detection units that is disposed in one-to-one correspondence with a plurality of actuators that vibrates a diaphragm, and detects vibration conditions. The signal processing unit includes a plurality of signal systems corresponding one-to-one to the plurality of actuators. The signal systems provide a drive signal to the corresponding actuators on the basis of the same audio signal. The drive signal generated by at least one signal system of the signal systems is controlled by the control signal.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: October 18, 2022
    Assignee: SONY CORPORATION
    Inventors: Masaki Kamata, Naoki Shinmen, Michiaki Yoneda, Yoshiyuki Kuroda
  • Patent number: 11466343
    Abstract: A metal porous body having a three-dimensional network structure, includes: a framework forming the three-dimensional network structure; and a coating layer having fine pores and coating the framework, the three-dimensional network structure including a rib and a node connecting a plurality of ribs, the framework including an alkali-resistant first metal, the fine pores having an average fine pore diameter of 10 nm or more and 1 ?m or less, the coating layer including an alkali-resistant second metal and optionally including an alkali-soluble metal, the alkali-soluble metal being contained at a proportion of 0% by mass or more and 30% by mass or less with reference to a total mass of the framework and the coating layer.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: October 11, 2022
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY
    Inventors: Kazuki Okuno, Takahiro Higashino, Hiromasa Tawarayama, Masatoshi Majima, Haruki Masumura, Yoshiyuki Kuroda, Shigenori Mitsushima
  • Patent number: 11390958
    Abstract: An object of the present invention is to provide an electrolysis technique such that the electrolysis performance is unlikely to be deteriorated, and excellent catalytic activity is retained stably over a long period of time even when electric power having a large output fluctuation, such as renewable energy, is used a power source, and this object is realized by an alkaline water electrolysis method, in which an electrolytic solution obtained by dispersing a catalyst containing a hybrid cobalt hydroxide nanosheet (Co-NS) being a composite of a metal hydroxide and an organic substance is supplied to an anode chamber and a cathode chamber that form an electrolytic cell, and the electrolytic solution is used for electrolysis in each chamber in common, and an alkaline water electrolysis anode.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: July 19, 2022
    Assignees: DE NORA PERMELEC LTD, NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY
    Inventors: Shigenori Mitsushima, Yoshiyuki Kuroda, Takeshi Nishimoto