Patents by Inventor Shin Ishikawa

Shin Ishikawa 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: 20240085250
    Abstract: There is provided an information processing apparatus that enables a more effective reduction in a load imposed on a user, with the use of force applied to the user in relation to a tangible object. The information processing apparatus includes a control unit configured to estimate, on the basis of a state of a user, a first amount that is predicted by the user with regard to force applied to the user in relation to a tangible object, and control presentation of information to the user on the basis of the first amount and a second amount that is preliminarily registered with regard to the force.
    Type: Application
    Filed: November 26, 2021
    Publication date: March 14, 2024
    Applicant: Sony Group Corporation
    Inventors: Shingo UTSUKI, Tsuyoshi ISHIKAWA, Junki INOUE, Takayuki KURIHARA, Takanobu OMATA, Shin SHIROMA, Kaoru KOIKE
  • Publication number: 20230153976
    Abstract: A photographing condition determining method includes: photographing a part of a metal structure of a metal material subjected to predetermined sample preparation under a predetermined photographing condition; assigning, to pixels corresponding to one or a plurality of predetermined phases of the metal structure, labels of respective phases for a photographed image; calculating one or more feature values for a pixel to which a label of one of the assigned phases; classifying the phases of the metal structure of the image by inputting a calculated feature value to a model, which has been learned in advance using feature values assigned with labels of respective phases as input and labels of the respective phases as output, and acquiring a label of a phase of a pixel corresponding to the input feature value; and determining a photographing condition when other parts of the metal structure are photographed based on a classification result.
    Type: Application
    Filed: March 8, 2021
    Publication date: May 18, 2023
    Inventors: Naoya Kiyokane, Yoshie Obata, Shin Ishikawa, Takako Yamashita, Takeshi Nishiyama
  • Patent number: 11618967
    Abstract: A production method for a stainless steel sheet for fuel cell separators comprises: preparing a stainless steel sheet as a material; thereafter removing an oxide layer at a surface of the stainless steel sheet; and thereafter subjecting the stainless steel sheet to electrolytic etching treatment in an active region of the stainless steel sheet.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: April 4, 2023
    Assignee: JFE STEEL CORPORATION
    Inventors: Takayoshi Yano, Shin Ishikawa
  • Publication number: 20220263095
    Abstract: Provided is a ferritic stainless steel sheet for current collectors for sulfide-based solid-state batteries, which has excellent sulfidation resistance and adhesiveness. The ferritic stainless steel sheet has a component composition containing Cr in an amount of 16% by mass or more, wherein the surface of the ferritic stainless steel sheet has an uneven structure having recessed portions and projecting portions, the average height of the projecting portions is 20 to 50 nm inclusive, the average distance between the projecting portions is 20 to 200 nm inclusive, and the [Cr]/[Fe], i.e., the ratio of the atom concentration of Cr that is present in a form other than the metal form to the atom concentration of Fe that is present in a form other than the metal form, on the surface of the ferritic stainless steel sheet is 1.0 or more.
    Type: Application
    Filed: June 29, 2020
    Publication date: August 18, 2022
    Applicants: JFE STEEL CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takayoshi YANO, Shin ISHIKAWA, Akio MITSUI
  • Publication number: 20220246943
    Abstract: The present invention provides a chromium-containing steel sheet for a current collector of a nonaqueous electrolyte secondary battery which has excellent corrosion resistance in a battery environment and, when used as a current collector of a nonaqueous electrolyte secondary battery, which enables the nonaqueous electrolyte secondary battery to have excellent cycle characteristics. A chromium-containing steel sheet for a current collector of a nonaqueous electrolyte secondary battery has a chemical composition containing 10% by mass or more of Cr. The chromium-containing steel sheet has an irregular structure including recesses and protrusions at a surface thereof. The average height of the protrusions is 20 nm or more and 100 nm or less, and the average spacing between the protrusions is 20 nm or more and 300 nm or less.
    Type: Application
    Filed: June 2, 2020
    Publication date: August 4, 2022
    Applicant: JFE Steel Corporation
    Inventors: Takayoshi Yano, Shin Ishikawa
  • Publication number: 20220243309
    Abstract: A ferritic stainless steel sheet for collectors of sulfide-based solid-state batteries has excellent sulfurization resistance. This ferritic stainless steel sheet has a component composition which contains, in mass %, from 0.001% to 0.050% of C, from 0.01% to 2.00% of Si, from 0.01% to 1.00% of Mn, 0.050% or less of P, 0.010% or less of S, from 18.00% to 32.00% of Cr, from 0.01% to 4.00% of Ni, from 0.001% to 0.150% of Al and 0.050% or less of N, with the balance being made up of Fe and unavoidable impurities.
    Type: Application
    Filed: June 29, 2020
    Publication date: August 4, 2022
    Applicants: JFE STEEL CORPORATION, TOYOTA MOTOR CORPORATION
    Inventors: Takayoshi YANO, Shin ISHIKAWA, Akio MITSUI
  • Patent number: 11386312
    Abstract: An image forming apparatus includes a print engine, a sheet transportation unit, an optical sensor, and an image processing unit. The print engine is configured to physically print an image to be printed on a print sheet. The sheet transportation unit is configured to transport the print sheet along a predetermined transportation path. The optical sensor is arranged so as to face the transportation path, and configured to detect a color of a test chart on a colored print sheet transported along the transportation path. The image processing unit is configured to perform color correction of the image to be printed on the colored print sheet, on the basis of the detected color of the test chart on the colored print sheet so as to restrain color change of the image due to a surface color of the colored print sheet.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: July 12, 2022
    Inventors: Yuki Fukasawa, Atsushi Kimura, Shin Ishikawa, Hikaru Miyaji, Kosuke Nakajima, Yosuke Morishita, Masaaki Nishihara
  • Patent number: 11380907
    Abstract: A substrate stainless steel sheet has [chemical form other than metal (Cr+Fe)]/[metal form (Cr+Fe)] of 12.0 or more and 200 or less, [chemical form other than metal (Cr+Fe)]/[metal form (Cr+Fe)] being a ratio of a total of Cr and Fe existing in chemical form other than metal to a total of Cr and Fe existing in metal form at a substrate stainless steel sheet surface.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: July 5, 2022
    Inventors: Takayoshi Yano, Shin Ishikawa
  • Patent number: 11365467
    Abstract: Provided is a ferritic stainless steel having excellent brazability and excellent corrosion resistance to condensed water in an environment in which the ferritic stainless steel is used for an exhaust heat recovery device or an EGR cooler. The ferritic stainless steel has a composition containing, in mass %, C: 0.025% or less, Si: 0.01% or more and less than 0.40%, Mn: 0.05 to 1.5%, P: 0.05% or less, S: 0.01% or less, Cr: 17.0 to 30.0%, Mo: 1.10 to 3.0%, Ni: more than 0.80% and 3.0% or less, Nb: 0.20 to 0.80%, Al: 0.001 to 0.10%, and N: 0.025% or less, with the balance being Fe and incidental impurities, and satisfying the following expression (1) and expression (2): C+N?0.030%??(1) Cr+Mo?19.0%??(2) where C, N, Cr, and Mo in expression (1) and expression (2) represent the contents (mass %) of the corresponding elements.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: June 21, 2022
    Assignee: JFE STEEL CORPORATION
    Inventors: Manami Ichikawa, Tetsuyuki Nakamura, Kunio Fukuda, Shin Ishikawa, Reiko Sugihara
  • Publication number: 20220085388
    Abstract: An austenitic stainless steel sheet for fuel cell separators comprises a textured structure at a surface of the stainless steel sheet, the textured structure having recessed parts and projected parts, an average height of the projected parts being 30 nm or more and 300 nm or less, and an average interval between the projected parts being 20 nm or more and 350 nm or less, wherein a ratio [Cr]/[Fe] of an atomic concentration of Cr existing in chemical form other than metal to an atomic concentration of Fe existing in chemical form other than metal at the surface of the stainless steel sheet is 1.0 or more.
    Type: Application
    Filed: January 7, 2020
    Publication date: March 17, 2022
    Applicant: JFE STEEL CORPORATION
    Inventors: Takayoshi YANO, Shin ISHIKAWA
  • Patent number: 11261512
    Abstract: Provided is ferritic stainless steel having excellent brazeability and excellent corrosion resistance to condensed water in an environment in which the steel is used for an exhaust heat recovery device or an EGR cooler. A ferritic stainless steel has a chemical composition containing, by mass %, C: 0.025% or less, Si: 0.40% to 2.0%, Mn: 0.05% to 1.5%, P: 0.05% or less, S: 0.01% or less, Cr: 16.0% to 30.0%, Mo: 0.60% to 3.0%, Ni: 0.10% to 2.5%, Nb: 0.20% to 0.80%, Al: 0.001% to 0.15%, N: 0.025% or less, and the balance being Fe and inevitable impurities, in which relational expressions (1) and (2) below are satisfied. C+N?0.030%??(1), 2Si+Ni?1.0%??(2), (in relational expressions (1) and (2), C, N, Si, and Ni each denote the contents (mass %) of the corresponding elements).
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: March 1, 2022
    Assignee: JFE Steel Corporation
    Inventors: Manami Ichikawa, Tetsuyuki Nakamura, Kunio Fukuda, Shin Ishikawa, Reiko Sugihara
  • Patent number: 11230756
    Abstract: Provided is a ferritic stainless steel that has good corrosion resistance and which exhibits good brazeability when subjected to high-temperature brazing with a Ni-containing brazing filler metal. The ferritic stainless steel has a composition containing, in mass %, C: 0.003 to 0.020%, Si: 0.05 to 0.60%, Mn: 0.05 to 0.50%, P: 0.04% or less, S: 0.02% or less, Cr: 17.0 to 24.0%, Ni: 0.20 to 0.80%, Cu: 0.01 to 0.80%, Mo: 0.01 to 2.50%, Al: 0.001 to 0.015%, Nb: 0.25 to 0.60%, and N: 0.020% or less, with the balance being Fe and incidental impurities, the composition satisfying formula (1) below and formula (2) below, Cu+Mo?0.30??(1) 4Ni?(Si+Mn)?0??(2) (wherein Cu and Mo in formula (1) and Ni, Si, and Mn in formula (2) each represent the content (mass %) of the corresponding element).
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: January 25, 2022
    Assignee: JFE Steel Corporation
    Inventors: Takayoshi Yano, Kunio Fukuda, Shin Ishikawa, Katsuhisa Yamauchi, Reiko Sugihara, Hideya Matsumoto
  • Patent number: 11085120
    Abstract: A stainless steel sheet for fuel cell separators comprises a predetermined chemical composition, wherein the stainless steel sheet has a textured structure at a surface thereof, an average interval between projected parts of the textured structure being 20 nm or more and 200 nm or less, and a ratio [Cr]/[Fe] of an atomic concentration of Cr existing in chemical form other than metal to an atomic concentration of Fe existing in chemical form other than metal at the surface of the stainless steel sheet is 2.0 or more.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: August 10, 2021
    Assignee: JFE STEEL CORPORATION
    Inventors: Takayoshi Yano, Shin Ishikawa
  • Patent number: 11072837
    Abstract: A martensitic stainless steel sheet comprises a chemical composition containing, in mass %, C: 0.035% to 0.090%, Si: 0.01% to 1.0%, Mn: 0.01% to 0.90%, P: 0.050% or less, S: 0.050% or less, Cr: 10.0% to 14.0%, Ni: 0.01% to 0.40%, Al: 0.001% to 0.50%, V: 0.05% to 0.50%, and N: 0.050% to 0.20%, with the balance being Fe and inevitable impurities, wherein a content of C and a content of N in the chemical composition satisfy C %+N % 0.10% and N % C %, the number of precipitates with a major axis length of 200 nm or more in a surface layer of the martensitic stainless steel sheet is 25 or less per 100 ?m2, and the martensitic stainless steel sheet has a tensile strength of 1300 MPa or more, a proof stress of 1100 MPa or more, and an elongation of 8.0% or more.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: July 27, 2021
    Assignee: JFE STEEL CORPORATION
    Inventors: Tetsuyuki Nakamura, Shin Ishikawa, Reiko Sugihara
  • Publication number: 20210152548
    Abstract: It is an object of the present invention to shorten the waiting time until a verification device in a usage facility is actually used.
    Type: Application
    Filed: September 29, 2017
    Publication date: May 20, 2021
    Inventors: Satoshi MOTOIKE, Shin ISHIKAWA, Hideo SASAKI, Yoshihiro OKABAYASHI, Yoshiki MATSUSHITA
  • Patent number: 10988853
    Abstract: Stainless steel sheets including a Ni and O-containing coating on the surface that has excellent weld penetration characteristics and excellent crevice corrosion resistance, and a method for producing such stainless steel sheets. A stainless steel sheet includes a Ni and O-containing coating on a surface of the stainless steel sheet. The Ni and O-containing coating has a coating weight of greater than or equal to 0.1 g/m2 and less than or equal to 20 g/m2. The Ni and O-containing coating has a composition including, in at. %, Ni: greater than or equal to 25% and less than or equal to 60%, and O: greater than or equal to 40% and less than or equal to 70%.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: April 27, 2021
    Assignee: JFE STEEL CORPORATION
    Inventors: Junichiro Hirasawa, Shin Ishikawa, Chikara Kami, Shinji Ootsuka
  • Patent number: 10988825
    Abstract: A martensitic stainless steel has a chemical composition containing, by mass %, C: 0.030% or more and less than 0.20%, Si: 0.01% or more and 2.0% or less, Mn: 0.01% or more and 3.0% or less, P: 0.050% or less , S: 0.010% or less, Cr: 10.0% or more and 16.0% or less, Ni: 0.01% or more and 0.80% or less, Al: 0.001% or more and 0.50% or less, Zr: 0.005% or more and 0.50% or less, and N: 0.030% or more and less than 0.20%, with the balance consisting of Fe and inevitable impurities.
    Type: Grant
    Filed: March 9, 2017
    Date of Patent: April 27, 2021
    Assignee: JFE STEEL CORPORATION
    Inventors: Tetsuyuki Nakamura, Shin Ishikawa, Chikara Kami
  • Patent number: 10975459
    Abstract: Provided is a ferritic stainless steel excellent in oxidation resistance and thermal fatigue resistance. The ferritic stainless steel contains, in mass %, C: 0.020% or less, Si: more than 0.1% and 3.0% or less, Mn: 0.05 to 2.0%, P: 0.050% or less, S: 0.010% or less, Al: 0.3 to 6.0%, N: 0.020% or less, Cr: 12 to 30%, Nb: more than 0.3% and 1.0% or less, Ti: 0.01 to 0.5%, Mo: 0.3 to 6.0%, Co: 0.01 to 3.0%, and Ni: 0.02 to 1.0%, the balance being Fe and unavoidable impurities. Moreover, Si+Al>1.0%, Al—Mn>0%, and Nb—Ti>0% hold.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: April 13, 2021
    Assignee: JFE Steel Corporation
    Inventors: Tetsuyuki Nakamura, Shin Ishikawa, Chikara Kami
  • Publication number: 20210102279
    Abstract: A ferritic stainless steel having good corrosion resistance and good brazability in the case where brazing is performed with a Ni-containing brazing filler metal at a high temperature. The ferritic stainless steel has a chemical composition comprising, by mass %, C: 0.003% to 0.020%, Si: 0.05% to 0.60%, Mn: 0.05% to 0.30%, P: 0.040% or less, S: 0.020% or less, Cr: 17.0% to 22.0%, Ni: 0.20% to 0.80%, Cu: 0.30% to 0.80%, Mo: 0.01% to 0.10%, Al: 0.001% to 0.015%, Nb: 0.25% to 0.60%, N: 0.020% or less, and the balance being Fe and inevitable impurities. The expression 4Ni?(Si+Mn)?0.00% is satisfied, where each of Ni, Si, and Mn denotes a content, by mass %, of a corresponding element.
    Type: Application
    Filed: January 21, 2019
    Publication date: April 8, 2021
    Applicant: JFE STEEL CORPORATION
    Inventors: Takayoshi YANO, Manami ICHIKAWA, Tetsuyuki NAKAMURA, Kunio FUKUDA, Shin ISHIKAWA, Reiko SUGIHARA, Katsuhisa YAMAUCHI, Hideya MATSUMOTO
  • Publication number: 20210081731
    Abstract: An image forming apparatus includes a print engine, a sheet transportation unit, an optical sensor, and an image processing unit. The print engine is configured to physically print an image to be printed on a print sheet. The sheet transportation unit is configured to transport the print sheet along a predetermined transportation path. The optical sensor is arranged so as to face the transportation path, and configured to detect a color of a test chart on a colored print sheet transported along the transportation path. The image processing unit is configured to perform color correction of the image to be printed on the colored print sheet, on the basis of the detected color of the test chart on the colored print sheet so as to restrain color change of the image due to a surface color of the colored print sheet.
    Type: Application
    Filed: September 10, 2020
    Publication date: March 18, 2021
    Inventors: Yuki Fukasawa, Atsushi Kimura, Shin Ishikawa, Hikaru Miyaji, Kosuke Nakajima, Yosuke Morishita, Masaaki Nishihara