Patents by Inventor Tetsuya Shoji

Tetsuya Shoji 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: 20240169616
    Abstract: An information processing device includes a non-transitory memory and a processor coupled to the non-transitory memory. The processor is configured to: set respective spectral data measured from each of plural materials as an instance of vector data; apply a dimension reduction technique to plural instances of vector data so as to generate two-dimensional map data in which each of the plural instances of vector data is projected two-dimensionally as each of plural plot points; identify unknown data indicating a plot point that is different from a plot point already present on the two-dimensional map data; convert the unknown data into converted spectral data; and output the converted spectral data.
    Type: Application
    Filed: October 6, 2023
    Publication date: May 23, 2024
    Applicant: Toyota Jidosha Kabushiki Kaisha
    Inventors: Tetsuya SHOJI, Masao Yano, Ryota Haru, Ryo Aoki
  • Publication number: 20240160767
    Abstract: An information processing device including a conversion section that converts plural data related to plural materials into vectors in a latent space, and a reception section that displays a graph plotted with the plural data according to the vectors in the latent space, that receives a specification of at least one of the data on the graph, and that also receives a change to a secrecy level or authorized disclosure parties of the data specified.
    Type: Application
    Filed: October 4, 2023
    Publication date: May 16, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masato HOZUMI, Masao YANO, Ryo AOKI, Tetsuya SHOJI
  • Publication number: 20240159690
    Abstract: An information processing device includes: an acquiring section acquiring small angle scattering data obtained by measuring a material, and supplemental information that is two-dimensional data of the material; and a predicting section that, by using the small angle scattering data and the supplemental information as input, predicts a three-dimensional structure of the material from output of a prediction model that is learned in advance and that is for predicting the three-dimensional structure of the material.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 16, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hanae SHIRATORI, Masao YANO, Tetsuya SHOJI, Yasuhiro TOYAMA
  • Publication number: 20240160697
    Abstract: An information processing device, that acquires, from a plurality of user terminals, measurement data measured by a plurality of analytical method; quantifies the acquired measurement data using a predetermined statistical method; and displays, on a display of at least one user terminal of the plurality of user terminals, a necessary analytical method among the plurality of analytical method based on results of the quantification.
    Type: Application
    Filed: September 27, 2023
    Publication date: May 16, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masato HOZUMI, Masao YANO, Tetsuya SHOJI
  • Publication number: 20240153680
    Abstract: Provided is a rare-earth anisotropic magnet powder capable of achieving high magnetic properties while reducing the usage of Nd and Pr. The present invention provides a rare-earth anisotropic magnet powder comprising magnetic particles that contain rare-earth elements, boron, and a transition metal element. The rare-earth elements include a first rare-earth element that comprises Ce and/or La and a second rare-earth element that comprises Nd and/or Pr. The rare-earth elements have a first ratio (R1/Rt) of 5% to 57%. The first ratio (R1/Rt) is a ratio of an amount (R1) of the first rare-earth element to a total amount (Rt) of the rare-earth elements in terms of the number of atoms. The first rare-earth element has a La ratio (La/R1) of 0% to 35%. The La ratio (La/R1) is a ratio of an amount of La to the amount (R1) of the first rare-earth element in terms of the number of atoms. The magnetic particles have a Ga content of 0.35 at % or less with respect to 100 at % as a whole.
    Type: Application
    Filed: March 3, 2022
    Publication date: May 9, 2024
    Applicants: AICHI STEEL CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Ryo SHIMBO, Masao YAMAZAKI, Noritsugu SAKUMA, Akihito KINOSHITA, Akira KATO, Tetsuya SHOJI
  • Publication number: 20240102314
    Abstract: An electronic lock mounting structure (FS) according to an embodiment of the present disclosure is disposed between an electronic lock (100) and a door (20) to mount the electronic lock (100) on the door (20). The electronic lock mounting structure (FS) includes an attachment (110) and a base (120). The electronic lock mounting structure (FS) includes an engagement mechanism (121) configured to engage with a thumb-turn mounting hole (TH) provided in the door (20). The engagement mechanism (121) may include three claw portions configured to engage the thumb-turn mounting hole (TH).
    Type: Application
    Filed: February 8, 2022
    Publication date: March 28, 2024
    Inventors: Yasumasa SHIKATA, Tetsuya YAMAMOTO, Shinsuke SHOJI, Shigeru IWASE
  • Patent number: 11935676
    Abstract: An Sm—Fe—N-based magnetic material according to the present disclosure includes a main phase having a predetermined crystal structure. The main phase has a composition represented by a molar ratio formula (Sm(1-x-y-z)LaxCeyR1z)2(Fe(1-p-q-s)CopNiqMs)17Nh (where, R1 is a predetermined rare earth element, M is a predetermined element, and 0?x+y<0.04, 0?z?0.10, 0<p+q?0.10, 0?s?0.10, and 2.9?h?3.1 are satisfied). A lattice volume of the main phase is 0.830 nm3 to 0.840 nm3, and a density of the main phase is 7.70 g/cm3 to 8.00 g/cm3.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: March 19, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daisuke Ichigozaki, Tetsuya Shoji, Noritsugu Sakuma, Akihito Kinoshita, Masaaki Ito
  • Patent number: 11928829
    Abstract: An information processing device acquires an image captured by a transmission electron microscope. The information processing device, for each partial region in the image, executes a two-dimensional Fourier transform on an image of the partial region. The information processing device, based on results obtained by executing the two-dimensional Fourier transform on each of the partial regions, performs clustering of frequency strengths obtained from the results of the two-dimensional Fourier transform. The information processing device determines regions of different crystallinity in the image, based on results of the clustering.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: March 12, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hirotaka Sakamoto, Masao Yano, Tetsuya Shoji
  • Patent number: 11900655
    Abstract: An information processing device acquires an image captured by a transmission electron microscope. The information processing device, for each partial region in the image, calculates a variation in pixel values of pixels included in the partial region. The information processing device, for each partial region in the image, determines a degree of crystallinity of the partial region based on the calculated variation in the pixel values of the partial region.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: February 13, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hirotaka Sakamoto, Masao Yano, Tetsuya Shoji
  • Patent number: 11869690
    Abstract: A rare earth magnet in which the amount used of a heavy rare earth element is more reduced while maintaining enhancement of the coercive force, and a producing method thereof are provided. The rare earth magnet of the present disclosure has a main phase 10 and a grain boundary phase 20. The main phase 10 has a composition represented by R12T14B. The main phase 10 has a core part 12 and a shell part 14. Denoting the abundances of R2 and Ce (R2 is heavy rare earth element) occupying 4f site of the shell part 14 as R24f and Ce4f, respectively, and denoting the abundances of R2 and Ce occupying 4g site of the shell part 14 as R24g and Ce4g, respectively, the rare earth magnet satisfies 0.44?R24g/(R24f+R24g)?0.70 and 0.04?(Ce4f+Ce4g)/(R24f+R24g). The rare earth magnet-producing method of the present disclosure uses a modifier containing at least R2 and Ce.
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: January 9, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Noritsugu Sakuma, Tetsuya Shoji, Akihito Kinoshita, Akira Kato
  • Patent number: 11841907
    Abstract: The present disclosure provides an information processing system and an information processing method that, in a material analyzing service that is provided via a network, can appropriately manage data of a high degree of confidentiality. The system and method involve a user terminal that provides a data ID to a combination of first data that relates to a material, and second data that is data obtained by measuring the material and is data whose degree of confidentiality is lower than the first data. The user terminal stores the first data and data ID and transmits the second data and data ID to an information processing device. The information processing device carries out material analysis corresponding to the second data and transmits analysis results data to the user terminal. Accordingly, data having a high degree of confidentiality can be managed appropriately in a material analyzing service over a network.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: December 12, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masao Yano, Tetsuya Shoji
  • Patent number: 11664140
    Abstract: A rare earth magnet includes a main phase and a particle boundary phase and in which an overall composition is represented by a formula, (R2(1-x)R1x)yFe(100-y-w-z-v)CowBzM1v.(R3(1-p)M2p)q.(R4(1-s)M3s)t, where R1 is a light rare earth element, R2 and R3 are a medium rare earth element, R4 is a heavy rare earth element, M1, M2, M3 are a predetermined metal element. The main phase includes a core portion, a first shell portion, and a second shell portion. The content proportion of medium rare earth element is higher in the first shell portion than in the core portion, the content proportion of medium rare earth element is lower in the second shell portion than in the first shell portion. The second shell portion contains heavy rare earth elements.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: May 30, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Noritsugu Sakuma, Tetsuya Shoji, Akihito Kinoshita
  • Publication number: 20230140945
    Abstract: A surface performance evaluation device including memory and a processor coupled to the memory. The processor being configured to: acquire a captured image, which is a moving image of a test object on which a liquid is dispersed, and which is captured by a camera; quantify, based on the captured image that is acquired by the processor, a degree of diffusion of the liquid that is dispersed on the test object and diffuses; and evaluate a surface performance of the test object based on an index quantified by the processor.
    Type: Application
    Filed: October 18, 2022
    Publication date: May 11, 2023
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yusuke MURAI, Masao YANO, Tetsuya SHOJI
  • Patent number: 11640674
    Abstract: An information processing device acquires a material formation image representing a formation of a material, the material formation image being obtained by imaging the material. The information processing device generates a Fourier transform result representing a power spectrum by applying a Fourier transform to the acquired material formation image. The information processing device, on the basis of the Fourier transform result of the material formation image, employs an expectation-maximization algorithm to generate a size distribution of structures forming the material.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: May 2, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masao Yano, Tetsuya Shoji
  • Publication number: 20230072426
    Abstract: An information processing device receives material data related to a material, from a user terminal. The information processing device performs analysis on the material data using a predetermined first analysis method and generates first analysis result data that is an analysis result from the first analysis method. The information processing device performs analysis on the received material data using a second analysis method and generates second analysis result data that is an analysis result expressing a relationship between the received material data and data different from the received material data. The information processing device transmits the first analysis result data and the generated second analysis result data to the user terminal.
    Type: Application
    Filed: August 22, 2022
    Publication date: March 9, 2023
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masao YANO, Tetsuya Shoji, Hirotaka Sakamoto, Tomoya Itakura
  • Publication number: 20230014283
    Abstract: The present disclosure relates to a semiconductor device including an n-type gallium oxide semiconductor layer that has a center region and a peripheral region having a lower donor density than the center region, an electrode layer that is laminated on the n-type gallium oxide semiconductor layer, and forms Schottky junction with the n-type gallium oxide semiconductor layer in the center region as viewed from a lamination direction, and a first p-type nickel oxide semiconductor layer that is laminated on the n-type gallium oxide semiconductor layer such that the first p-type nickel oxide semiconductor layer is partially positioned between the n-type gallium oxide semiconductor layer and the electrode layer, and has an outer peripheral end portion on a peripheral region side in the peripheral region as viewed from the lamination direction.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 19, 2023
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Katsunori DANNO, Tetsuya Shoji
  • Patent number: 11522420
    Abstract: A method of producing a motor core includes preparing a soft magnetic plate containing a transition metal element, preparing a modifying member containing an alloy having a melting point lower than a melting point of the soft magnetic plate, bringing the modifying member into contact with a part of a plate surface of the soft magnetic plate, causing the modifying member to diffuse and penetrate into the soft magnetic plate from a contact surface between the soft magnetic plate and the modifying member and forming a hard magnetic phase-containing part in a part of the soft magnetic plate, and laminating a plurality of soft magnetic plates on each other after the modifying member is brought into contact with the part of the plate surface of the soft magnetic plate.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: December 6, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akihito Kinoshita, Noritsugu Sakuma, Tetsuya Shoji, Kosuke Yonekawa
  • Patent number: 11476020
    Abstract: To provide a rare earth magnet having excellent coercive force and a production method thereof. A rare earth magnet, wherein the rare earth magnet comprises a magnetic phase containing Sm, Fe, and N, a Zn phase present around the magnetic phase, and an intermediate phase present between the magnetic phase and the Zn phase, wherein the intermediate phase contains Zn and the oxygen content of the intermediate phase is higher than the oxygen content of the Zn phase; and a method for producing a rare earth magnet, including mixing a magnetic raw material powder having an oxygen content of 1.0 mass % or less and an improving agent powder containing metallic Zn and/or a Zn alloy, and heat-treating the mixed powder.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: October 18, 2022
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOHOKU UNIVERSITY
    Inventors: Noritsugu Sakuma, Tetsuya Shoji, Kazuaki Haga, Satoshi Sugimoto, Masashi Matsuura
  • Publication number: 20220301753
    Abstract: A rare earth magnet in which the amount used of a heavy rare earth element is more reduced while maintaining enhancement of the coercive force, and a producing method thereof are provided. The rare earth magnet of the present disclosure has a main phase 10 and a grain boundary phase 20. The main phase 10 has a composition represented by R12T14B. The main phase 10 has a core part 12 and a shell part 14. Denoting the abundances of R2 and Ce (R2 is heavy rare earth element) occupying 4f site of the shell part 14 as R24f and Ce4f, respectively, and denoting the abundances of R2 and Ce occupying 4g site of the shell part 14 as R24g and Ce4g, respectively, the rare earth magnet satisfies 0.44?R24g/(R24f+R24g)?0.70 and 0.04?(Ce4f+Ce4g)/(R24f+R24g). The rare earth magnet-producing method of the present disclosure uses a modifier containing at least R2 and Ce.
    Type: Application
    Filed: January 19, 2022
    Publication date: September 22, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Noritsugu SAKUMA, Tetsuya SHOJI, Akihito KINOSHITA, Akira KATO
  • Publication number: 20220187180
    Abstract: Automated analysis of particle beam measurement results is facilitated by a device that calculates a spatial parameter distribution representing spatial structure of a sample based on a scattering pattern corresponding to projection of the spatial structure of the sample to wavenumber space, the projection being obtained by detecting scattering of a particle beam which enters the sample and intersects with the sample.
    Type: Application
    Filed: April 24, 2020
    Publication date: June 16, 2022
    Inventors: Akinori ASAHARA, Hidekazu MORITA, Takuya KANAZAWA, Kanta ONO, Masao YANO, Tetsuya SHOJI