Patents by Inventor Kenji Ikeda

Kenji Ikeda 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: 12034334
    Abstract: A resolver device with redundancy, wherein winding groups of different systems are arranged at different positions in a circumferential direction of a stator core. The winding groups of each system include: an excitation winding group consisting of a plurality of excitation windings, each of which is connected to a corresponding one of plural excitation circuits; and a first output winding group; and a second output winding group. Each of the stator teeth has a corresponding one of the excitation windings wound therearound. When two of the excitation windings belonging to different systems, arranged side by side in the circumferential direction of the stator core, are defined as a first end excitation winding and a second end excitation winding, respectively, the first end excitation winding and the second end excitation winding are supplied with excitation signals which generate magnetic fluxes in the same (not opposite) radial directions of the stator core.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: July 9, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroko Ikeda, Tatsuya Mori, Kenta Motoyoshi, Kodai Okazaki, Kenji Ikeda, Yosuke Sugino, Seiji Sawada, Kenta Kubo, Toshihiro Matsunaga
  • Publication number: 20240128824
    Abstract: A dynamo-electric machine comprising: a stator core with plurality of slots, a coil covered with insulated conductor wire, wherein the coil comprising plurality of storages stored in the slots and plurality of coil ends that are outside of the slots, conductor of coil end close to the conductor of the heterophase coil having insulating materials at only one of the surfaces, either the inner diameter surface close to the conductor of the heterophase coil or outer diameter surface of the heterophase coil.
    Type: Application
    Filed: December 16, 2021
    Publication date: April 18, 2024
    Inventors: Kenji IKEDA, Yuji ENOMOTO, Hirooki TOKOI, Mizuki NAKAHARA, Hiroyuki MIKAMI, Toshifumi SUZUKI, Toru SAKAI, Masaru AMAIKE, Yuji TSUJI
  • Publication number: 20240069124
    Abstract: An object of the present invention is to provide a magneto-optical material capable of exhibiting the Faraday effect even though no magnetic field is applied. The magneto-optical material of the present invention has a nanogranular structure in which magnetic nanoparticles are dispersed in a fluoride matrix, and can exhibit Faraday properties without requiring the application of a magnetic field because the magnetic nanoparticles are configured by a magnetic material that has residual magnetization and consists of any of a Fe—Pt alloy, a Co—Pt alloy, a Fe—Co—Ni—Al alloy, a Co ferrite, or a Ba ferrite.
    Type: Application
    Filed: July 7, 2022
    Publication date: February 29, 2024
    Inventors: Nobukiyo KOBAYASHI, Tadayoshi IWASA, Kenji IKEDA, KenIchi ARAI
  • Patent number: 11916175
    Abstract: A light emitting device includes a semiconductor light emitting element which emits excitation light having a peak wavelength in a range of 440 to 450 nm and a fluorescent body layer which is provided on the semiconductor light emitting element, is excited by the excitation light from the semiconductor light emitting element, and contains a first fluorescent body and a second fluorescent body which emit first fluorescent light and second fluorescent light. The first fluorescent light has a peak wavelength in a range of 540 to 575 nm, and the second fluorescent light has a peak wavelength in a range of 590 to 605 nm. In mixed color light of the radiation light, the intensity of the radiation light of the semiconductor light emitting element is 1/10 to 1/60 of the intensity of the combined light of the radiation light from the first fluorescent body and the second fluorescent body.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: February 27, 2024
    Assignee: STANLEY ELECTRIC CO., LTD.
    Inventors: Masaki Odawara, Kenji Ikeda, Shotaro Nishiki, Tsuzumi Higashiyama, Kazuhisa Shinno
  • Publication number: 20240053267
    Abstract: A data generation method according to an embodiment includes: an imaging step (S10) of capturing, for each of lines for scanning an imaging target, a plurality of fluorescence images generated by the imaging target for a respective plurality of fluorescence wavelengths and acquiring data of the captured plurality of fluorescence images in arrangement order of the lines and a rearrangement step (S12) of changing the arrangement order of the data of the plurality of fluorescence images acquired in the imaging step from the arrangement order of the lines to arrangement order of for each of the plurality of fluorescence wavelengths.
    Type: Application
    Filed: December 15, 2021
    Publication date: February 15, 2024
    Inventors: KENJI IKEDA, HIROKAZU TATSUTA, KAZUMASA SATO, TETSURO KUWAYAMA
  • Publication number: 20240055283
    Abstract: A substrate processing system includes a substrate processing apparatus, an input/output apparatus, a first control apparatus installed with first software, configured to control the substrate processing apparatus based on a first signal output from the input/output apparatus, and configured to acquire a second signal output from the substrate processing apparatus, a second control apparatus installed with second software, and configured to perform same calculation processing as that of the first control apparatus, and not configured to control the substrate processing apparatus, a first distributor configured to distribute the first signal to the second control apparatus, and a second distributor configured to distribute the second signal to the second control apparatus. The second control apparatus outputs a third signal based on the first signal and the second signal.
    Type: Application
    Filed: October 27, 2023
    Publication date: February 15, 2024
    Inventors: TAICHI YOSHIOKA, NOBUYUKI KAWABATA, KENJI IKEDA, MASATO ANZAI, JUN KITAGAWA, TASUKU SUZUKI
  • Publication number: 20240027348
    Abstract: It is possible to more appropriately perform fluorescence separation.
    Type: Application
    Filed: August 14, 2023
    Publication date: January 25, 2024
    Applicant: Sony Group Corporation
    Inventors: Kenji Ikeda, Noriyuki Kishii, Hideya Chubachi, Ayumu Taguchi, Kazuhiro Nakagawa, Sakiko Yasukawa
  • Patent number: 11849913
    Abstract: An image processing apparatus includes: a blurring amount estimation unit configured to estimate a blurring amount of a medical image including a biological body motion of a subject; and a blurring correction processing unit configured to perform blurring correction processing so as not to remove a screen motion caused by the biological body motion, on a basis of the blurring amount. This configuration makes it possible to correct blurring without removing a screen motion caused by a biological body motion. Thus, an optimum image for observing a biological body motion can be obtained.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: December 26, 2023
    Assignee: SONY GROUP CORPORATION
    Inventors: Kenji Ikeda, Hiroshi Ichiki, Hisakazu Shiraki, Daisuke Tsuru
  • Patent number: 11828591
    Abstract: Even using the redundant system resolver in which the magnetic interference between systems occurs, to provide an angle detection apparatus which can reduces the influence of the magnetic interference and can calculate the rotational angle with good accuracy, without performing synchronous control between systems in real time. An angle detection apparatus is provided with a resolver which has the first system windings and the second system windings in which magnetic interference occurs between systems; a first system removal processing unit that performs a second cycle component removal processing which removes component of the second cycle of the second system, to detection values of the first system winding output signals; and a first system angle calculation unit that calculates a first angle of rotor, based on the detection values of the first system winding output signals after the second cycle component removal processing.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: November 28, 2023
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tatsuya Mori, Toshihiro Matsunaga, Hiroko Ikeda, Seiji Sawada, Kenta Kubo, Kenji Ikeda
  • Publication number: 20230358680
    Abstract: A plurality of images are connected such that a subject is represented appropriately in a region where the plurality of images are overlapped with each other. An image generation system includes: an imaging unit (111) that acquires a plurality of partial images by imaging a plurality of regions overlapping with each other; and a connection unit (1331) that connects, on a basis of connection information obtained with at least one channel from among a plurality of channels constituting the plurality of respective partial images as a reference, a plurality of partial images of other channels from among the plurality of channels constituting the plurality of respective partial images to each other.
    Type: Application
    Filed: September 16, 2021
    Publication date: November 9, 2023
    Inventors: KENJI IKEDA, HIROKAZU TATSUTA
  • Patent number: 11761895
    Abstract: It is possible to more appropriately perform fluorescence separation.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: September 19, 2023
    Assignee: Sony Group Corporation
    Inventors: Kenji Ikeda, Noriyuki Kishii, Hideya Chubachi, Ayumu Taguchi, Kazuhiro Nakagawa, Sakiko Yasukawa
  • Patent number: 11750134
    Abstract: To provide an AC rotary machine apparatus which can determine the operation stop of the control circuit of the other system with good accuracy. An AC rotary machine apparatus, including: a resolver is provided with a first system excitation winding, first system two output windings, a second system excitation winding, and second system two output windings, in which a magnetic interference occurs between a first system and a second system; a first system control circuit that applies AC voltage with a first period to the first system excitation winding; and a second system control circuit that applies AC voltage with a second period to the second system excitation winding, wherein the first system control circuit determines whether the operation of the second system control circuit stops, based on the components of the second period extracted from the first system output signals.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: September 5, 2023
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tatsuya Mori, Hiroko Ikeda, Toshihiro Matsunaga, Kenji Ikeda, Kenta Kubo
  • Publication number: 20230273465
    Abstract: Provided are a magneto-optical material capable of enhancing the tunable range of magneto-optical properties such as the Faraday rotation angle, and a method for producing the same. The temperature of a substrate 20 is controlled to a first temperature within the range of 300 to 800 [° C.], and the atmospheric pressure of the substrate 20 is controlled to 1.0×10?4 [Pa] or less (first step). Using a composite target or plurality of individual targets of a TCO material exhibiting ENZ properties in the infrared wavelength region, together with a magnetic metal, a magneto-optical material 10 is deposited on the substrate 20 while the temperature of the substrate 20 is controlled to a second temperature within the range of 300 to 800 [° C.], and the atmospheric pressure of the substrate 20 is controlled to the range of 0.1 to 10 [Pa] (second step).
    Type: Application
    Filed: January 12, 2022
    Publication date: August 31, 2023
    Inventors: Satoshi IWAMOTO, Yasutomo OTA, Kenji IKEDA, Nobukiyo KOBAYASHI
  • Publication number: 20230243839
    Abstract: To improve analysis accuracy in fluorescence microscopy. An information processing device according to an embodiment includes: a separation unit (132) that separates a fluorescence image obtained by observing a specimen labeled with one or more fluorescent dyes into a fluorescence component image containing one or more fluorescence components and an autofluorescence component image containing one or more autofluorescence components; a generation unit (133) that generates an autofluorescence component correction image using a reference spectrum of each of one or more autofluorescent substances included in the specimen and using the autofluorescence component image; and a processing unit (130) that processes the fluorescence component image based on the autofluorescence component correction image.
    Type: Application
    Filed: June 22, 2021
    Publication date: August 3, 2023
    Applicant: Sony Group Corporation
    Inventors: Ai Goto, Kazuhiro Nakagawa, Tomohiko Nakamura, Kenji Ikeda
  • Publication number: 20230238897
    Abstract: A power conversion device capable of shortening the time required for acceleration of a motor and a metal processing device including the power conversion device are provided. Then, a power conversion device 10 includes a converter 100 configured to convert an AC voltage from outside to a DC voltage Vo and a converter controller 107 configured to control the converter 100. The converter 100 includes a voltage doubler circuit 104 configured to boost the DC voltage Vo when activated, and outputs the DC voltage Vo having a voltage value different in accordance with the activation and stop of the voltage doubler circuit 104. The converter controller 107 activates the voltage doubler circuit 104 at a first time that is earlier by a predetermined period than a second time at which a speed command value ?* of the motor 130 rises from a predetermined value.
    Type: Application
    Filed: May 27, 2021
    Publication date: July 27, 2023
    Inventors: Mizuki NAKAHARA, Hirooki TOKOI, Kenji IKEDA
  • Publication number: 20230230733
    Abstract: An object of the present invention is to provide a new nanogranular structure material having magneto-optical properties different from those of existing nanogranular structure materials, and a method for producing the same. The nanogranular structure material has a composition represented by L-M-F—O wherein L is at least one element selected from the group consisting of Fe, Co, and Ni, and M is at least one element selected from the group consisting of Li, Be, Mg, Al, Si, Ca, Sr, Ba, Bi, and rare earth elements, F is fluorine, and O is oxygen. The nanogranular structure material according to the present invention is composed of a matrix formed of a fluorine compound having a composition represented by M-F and metal oxide nanoparticles dispersed in the matrix and having a composition represented by L-O.
    Type: Application
    Filed: March 1, 2022
    Publication date: July 20, 2023
    Inventors: Nobukiyo KOBAYASHI, Tadayoshi IWASA, Kenji IKEDA, KenIchi ARAI
  • Publication number: 20230194313
    Abstract: To provide an angle detection apparatus which can reduce the error of the angle which is caused by the eccentricity, by performing the reduction processing about smallest possible number of frequency bands and the lowest possible order of frequency band. An angle detection apparatus performs a first-order component reduction processing which reduces a first-order component which is a component of one rotation period in a mechanical angle of the rotor, to each of the first system two output signals; and calculates a first angle (?1) of the rotor, based on the first system two output signals to which the first-order component reduction processing was performed.
    Type: Application
    Filed: February 6, 2020
    Publication date: June 22, 2023
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tatsuya MORI, Hiroko IKEDA, Toshihiro MATSUNAGA, Kenji IKEDA, Kenta KUBO
  • Publication number: 20230155528
    Abstract: In an electric motor control device which controls rotation of an AC electric motor having two sets of three-phase windings and provided with a resolver having two systems by calculating voltage command values on dq axes, dq conversion of currents of first three-phase windings is performed using a first angle calculated from output of the first system of the resolver, and dq conversion of currents of second three-phase windings is performed using a second angle calculated from output of the second system of the resolver. With both d-axis current command values set at the same value, respective voltage command values on dq axes are calculated and respectively converted into voltage command values for voltage application to the first three-phase windings, using the first angle, and converted into voltage command values for voltage application to the second three-phase windings, using the second angle.
    Type: Application
    Filed: May 19, 2020
    Publication date: May 18, 2023
    Applicant: Mitsubishi Electric Corporation
    Inventors: Masahiko ORII, Tatsuya MORI, Hiroko IKEDA, Toshihiro MATSUNAGA, Kenji IKEDA, Kenta KUBO
  • Publication number: 20230125647
    Abstract: A resolver body including a rotor having Nx (Nx is a natural number) salient poles, a stator facing the rotor and having Ns (Ns is an integer equal to or larger than 3) teeth arranged in a circumferential direction, and an excitation winding and two phases of output windings wound on each tooth; and an excitation circuit configured to apply voltage to the excitation winding. The excitation winding and the two phases of output windings wound on each of Nsm (Nsm is an integer equal to or larger than 2) teeth among the Ns teeth are set to be of a main system. The excitation winding and the two phases of output windings wound on each of Ns-Nsm teeth are set to be of a sub-system. The number Nsm of the teeth corresponding to the main system is larger than the number Ns-Nsm of the teeth corresponding to the sub-system.
    Type: Application
    Filed: April 9, 2020
    Publication date: April 27, 2023
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hiroko IKEDA, Shohei FUJIKURA, Tatsuya MORI, Kenji IKEDA, Kenta KUBO, Toshihiro MATSUNAGA
  • Publication number: 20230112554
    Abstract: To provide an abnormality detection apparatus for resolver which can determine the abnormality of at least the first system, even if the period of the excitation AC voltage of the first system and the period of the excitation AC voltage of the second system are different periods, and the magnetic interference between systems occurs. An abnormality detection apparatus for resolver applies an AC voltage of a first period to a first system excitation winding; applies an AC voltage of a second period different from the first period to a second system excitation winding; calculates DC values of first system two output signals by performing a DC extraction processing; and determines abnormality of first system based on whether or not the DC values of first system two output signals are within a normal range.
    Type: Application
    Filed: February 26, 2020
    Publication date: April 13, 2023
    Applicant: Mitsubishi Electric Corporation
    Inventors: Tatsuya MORI, Hiroko IKEDA, Toshihiro MATSUNAGA, Kenji IKEDA, Kenta KUBO