Patents by Inventor Yukio Oda

Yukio Oda 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: 11959147
    Abstract: A top-blowing lance nozzle is configured to freely switch an adequate expansion condition so as to control an oxygen-blowing amount and a jetting velocity independently of each other without requiring a plurality of lance nozzles or a mechanically movable part. A lance nozzle is configured to blow refining oxygen to molten iron charged in a reaction vessel while a gas is blown from a top-blowing lance to the molten iron. One or more blowing holes for blowing a working gas are on an inner wall side surface of the nozzle, at a site where the lance nozzle has a minimum cross-sectional area in a nozzle axis direction or at a neighboring site of the site.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: April 16, 2024
    Assignee: JFE STEEL CORPORATION
    Inventors: Yumi Murakami, Nobuhiko Oda, Yusuke Fujii, Goro Okuyama, Shota Amano, Shinji Koseki, Shingo Sato, Yukio Takahashi, Ryo Kawabata, Naoki Kikuchi, Atsuo Yuasa
  • Publication number: 20240077504
    Abstract: A method for estimating a cause of coagulation time prolongation includes 1) detecting a coagulation reaction end point Pe in a coagulation reaction curve of a subject blood specimen having a prolonged coagulation time; 2) calculating T(X), wherein T(X) represents a measurement point or time at which the coagulation reaction curve reaches X % of Pe, and X is a variable of greater than 0 and equal to or less than 100; and 3) estimating a cause of coagulation time prolongation of the subject blood specimen based on a form of T(X).
    Type: Application
    Filed: March 4, 2022
    Publication date: March 7, 2024
    Applicant: SEKISUI MEDICAL CO., LTD.
    Inventors: Toshiki KAWABE, Yukio ODA
  • Publication number: 20240027476
    Abstract: Provided is a blood coagulation reaction analysis method. The method includes measuring a blood coagulation reaction of a subject specimen and acquiring first data for calculating a blood coagulation time of the subject specimen and second data for estimating a blood coagulation abnormality factor of the subject specimen, wherein the acquiring of the second data includes: obtaining a first derivative V(i) of a coagulation reaction curve R(i); and determining a point pk where V(i) assumes Xk before reaching a maximum value of V(i), Vmax, and a point qk where V(i) assumes Xk after reaching Vmax.
    Type: Application
    Filed: September 8, 2021
    Publication date: January 25, 2024
    Applicant: SEKISUI MEDICAL CO., LTD.
    Inventors: Toshiki KAWABE, Yukio ODA
  • Publication number: 20230341371
    Abstract: Provided is a blood analysis method including: acquiring coagulation reaction data on a blood specimen; calculating a parameter related to a centroid point from a differential curve of the coagulation reaction data; and evaluating coagulation properties of the blood specimen using the parameter related to the centroid point.
    Type: Application
    Filed: July 15, 2021
    Publication date: October 26, 2023
    Applicant: SEKISUI MEDICAL CO., LTD.
    Inventors: Toshiki KAWABE, Yukio ODA
  • Publication number: 20220373565
    Abstract: An APTT prolongation factor estimation system includes one or more facilities each including an analyzer which measures a blood coagulation reaction of a subject blood specimen, a database which stores data on a blood coagulation reaction and APTT prolongation factor of blood specimens, and a computer which estimates an APTT prolongation factor of the subject blood specimen based on the data on the blood coagulation reaction from the analyzer and the data stored in the database. The facilities each further includes a data transmission unit which transmits, to the computer, the data on the blood coagulation reaction of the subject blood specimen obtained by the analyzer, and a data reception unit which receives a result of the estimation of the APTT prolongation factor, which is obtained by the computer, regarding the subject blood specimen measured by each of the analyzers.
    Type: Application
    Filed: June 19, 2020
    Publication date: November 24, 2022
    Applicants: SEKISUI MEDICAL CO., LTD., PUBLIC UNIVERSITY CORPORATION NARA MEDICAL UNIVERSITY
    Inventors: Toshiki KAWABE, Yukio ODA, Midori SHIMA, Keiji NOGAMI, Kenichi OGIWARA, Naruto SHIMONISHI
  • Publication number: 20220326262
    Abstract: Provided is a method by which a titer of a coagulation factor inhibitor can be measured simply and in a short time. The present invention relates to a method for measuring a titer of a coagulation factor inhibitor. The method includes: preparing a mixed specimen containing a subject blood specimen and a normal blood specimen; heating the mixed specimen and acquiring a coagulation reaction curve for the heated mixed specimen; acquiring a coagulation reaction curve for the mixed specimen that has not been heated; calculating a parameter related to the coagulation reaction curve of the mixed specimen that has not been heated as a first parameter; calculating a parameter related to the coagulation reaction curve of the heated mixed specimen as a second parameter; and calculating a titer of a coagulation factor inhibitor in the subject blood specimen on the basis of the ratio or the difference between the first parameter and the second parameter.
    Type: Application
    Filed: April 23, 2020
    Publication date: October 13, 2022
    Applicants: SEKISUI MEDICAL CO., LTD., PUBLIC UNIVERSITY CORPORATION NARA MEDICAL UNIVERSITY
    Inventors: Toshiki KAWABE, Yukio ODA, Mari EMMI, Midori SHIMA, Keiji NOGAMI, Kenichi OGIWARA, Naruto SHIMONISHI
  • Publication number: 20220146537
    Abstract: To provide a method for analyzing coagulation characteristics of a blood specimen. To provide a method for analyzing a blood specimen, including: acquiring a waveform related to a coagulation rate or coagulation acceleration of a sample obtained by mixing a subject blood specimen with a reagent for measuring coagulation time; extracting multiple parameters characterizing the waveform related to a coagulation rate or a coagulation acceleration; and determining an activity level or activity abnormality of a coagulation factor in the subject blood specimen on the basis of the multiple parameters.
    Type: Application
    Filed: January 31, 2020
    Publication date: May 12, 2022
    Applicants: SEKISUI MEDICAL CO., LTD., PUBLIC UNIVERSITY CORPORATION NARA MEDICAL UNIVERSITY
    Inventors: Toshiki KAWABE, Yukio ODA, Midori SHIMA, Keiji NOGAMI, Kenichi OGIWARA
  • Publication number: 20210333295
    Abstract: Excellent analysis of a coagulation characteristic of a blood sample is implemented. A method for analyzing a coagulation characteristic of a blood specimen according to the present invention includes: acquiring data for a coagulation reaction curve indicating a coagulation reaction amount of a mixed solution containing a blood sample and a reagent with respect to reaction time; calculating data for a differential curve obtained by differentiating the coagulation reaction curve; calculating information related to a center-of-gravity point of the differential curve; and evaluating the coagulation characteristic of the blood sample using the information related to the center-of-gravity point.
    Type: Application
    Filed: November 15, 2019
    Publication date: October 28, 2021
    Applicant: SEKISUI MEDICAL CO., LTD.
    Inventors: Toshiki KAWABE, Yukio ODA
  • Patent number: 10903461
    Abstract: Provided is a battery armoring stainless steel foil which, without the need for a special treatment such as corona discharge, has excellent adhesiveness to resin after being thermally shocked and after being immersed in an electrolyte solution. A battery armoring stainless steel foil (1) includes an oxide film (1a), having a thickness of not less than 2 nm, which contains (i) one or more metallic elements, existing as a hydroxide, in an amount of not less than 35 mol percent and (ii) SiO2 in an amount of not more than 40 mol percent, the battery armoring stainless steel foil (1) having an arithmetic mean roughness Ra of less than 0.1 ?m but not less than 0.02 ?m in a direction orthogonal to a direction in which the battery armoring stainless steel foil (1) has been rolled.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: January 26, 2021
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Daichi Ueda, Shoichi Matsuo, Takahiro Fujii, Naoki Hirakawa, Shuichi Sugita, Yukio Oda
  • Patent number: 10087498
    Abstract: Provided is a battery armoring stainless steel foil which has excellent adhesiveness to resin after being thermally shocked and after being immersed in an electrolyte solution. A battery armoring stainless steel foil (1) includes an oxide film (1a), having a thickness of not less than 2 nm, which contains (i) Fe in an amount of not less than 40 mol percent, (ii) Cr in a lesser amount than Fe, and (iii) Si in an amount of not more than 40 mol percent, the battery armoring stainless steel foil (1) having an arithmetic mean roughness Ra of less than 0.1 ?m but not less than 0.02 ?m in a direction orthogonal to a direction in which the battery armoring stainless steel foil (1) has been rolled.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: October 2, 2018
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Daichi Ueda, Shoichi Matsuo, Takahiro Fujii, Naoki Hirakawa, Shuichi Sugita, Yukio Oda
  • Publication number: 20180166661
    Abstract: Provided is a battery armoring stainless steel foil which, without the need for a special treatment such as corona discharge, has excellent adhesiveness to resin after being thermally shocked and after being immersed in an electrolyte solution. A battery armoring stainless steel foil (1) includes an oxide film (1a), having a thickness of not less than 2 nm, which contains (i) one or more metallic elements, existing as a hydroxide, in an amount of not less than 35 mol percent and (ii) SiO2 in an amount of not more than 40 mol percent, the battery armoring stainless steel foil (1) having an arithmetic mean roughness Ra of less than 0.1 ?m but not less than 0.02 ?m in a direction orthogonal to a direction in which the battery armoring stainless steel foil (1) has been rolled.
    Type: Application
    Filed: May 20, 2016
    Publication date: June 14, 2018
    Inventors: Daichi Ueda, Shoichi Matsuo, Takahiro Fujii, Naoki Hirakawa, Shuichi Sugita, Yukio Oda
  • Patent number: 7473294
    Abstract: An object of the present invention is to provide nitrogen-containing metallic powder at high productivity, which powder contains a metal such as niobium or tantalum containing nitrogen uniformly, and enables production of an anode electrode that has high specific capacitance and low leakage current and that exhibits excellent reliability for a prolonged period of time. There is provided nitrogen-containing metallic powder which is a solid solution containing 50-20,000 ppm nitrogen, in which the metal that constitutes the metallic powder is niobium or tantalum. The nitrogen-containing metallic powder is produced through the process in which while a metallic compound is reduced with a reducing agent, a nitrogen-containing gas is introduced into a reaction system to thereby form metal, and nitrogen is simultaneously incorporated into metal.
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: January 6, 2009
    Assignee: Cabot Supermetals K.K.
    Inventors: Yukio Oda, Tomoo Izumi, Yoshikazu Noguchi
  • Patent number: 7204866
    Abstract: A niobium or tantalum powder of the present invention comprises aggregates in which primary particles of niobium or tantalum are aggregated, and have a pore distribution having a peak in the range from 1 to 20 ?m as measured by mercury porosimetry. That is, the niobium or tantalum powder of the present invention comprises aggregates having large pores, which connect with vacancies between the primary particles and facilitate the permeation of an electrolyte over the entirety of the inside of each aggregate. Accordingly, a solid electrolytic capacitor comprising an anode electrode made of the niobium or tantalum powder has high capacity and also a low ESR.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: April 17, 2007
    Assignee: Cabot Supermetals K.K.
    Inventors: Yukio Oda, Yujiro Mizusaki
  • Publication number: 20060230877
    Abstract: An object of the present invention is to provide nitrogen-containing metallic powder at high productivity, which powder contains a metal such as niobium or tantalum containing nitrogen uniformly, and enables production of an anode electrode that has high specific capacitance and low leakage current and that exhibits excellent reliability for a prolonged period of time. There is provided nitrogen-containing metallic powder which is a solid solution containing 50-20,000 ppm nitrogen, in which the metal that constitutes the metallic powder is niobium or tantalum. The nitrogen-containing metallic powder is produced through the process in which while a metallic compound is reduced with a reducing agent, a nitrogen-containing gas is introduced into a reaction system to thereby form metal, and nitrogen is simultaneously incorporated into metal.
    Type: Application
    Filed: June 5, 2006
    Publication date: October 19, 2006
    Inventors: Yukio Oda, Tomoo Izumi, Yoshikazu Noguchi
  • Patent number: 7066975
    Abstract: An object of the present invention is to provide nitrogen-containing metallic powder at high productivity, which powder contains a metal such as niobium or tantalum containing nitrogen uniformly, and enables production of an anode electrode that has high specific capacitance and low leakage current and that exhibits excellent reliability for a prolonged period of time. There is provided nitrogen-containing metallic powder which is a solid solution containing 50–20,000 ppm nitrogen, in which the metal that constitutes the metallic powder is niobium or tantalum. The nitrogen-containing metallic powder is produced through the process in which while a metallic compound is reduced with a reducing agent, a nitrogen-containing gas is introduced into a reaction system to thereby form metal, and nitrogen is simultaneously incorporated into metal.
    Type: Grant
    Filed: June 20, 2002
    Date of Patent: June 27, 2006
    Assignee: Cabot Supermetals, K.K.
    Inventors: Yukio Oda, Tomoo Izumi, Yoshikazu Noguchi
  • Publication number: 20060016291
    Abstract: A niobium powder can be used to manufacture a niobium capacitor of excellent electrical properties The niobium powder when formed into a sintered body of 3.15 to 3.9 g/cm3 density exhibits a capacitance (CV value at a formation voltage of 20V) ranging from 80 to 240 kCV/g and a CV retention of 57% or higher. With respect to the production of the niobium powder, the employed potassium niobate fluoride has a water content of 1000 ppm or less as determined from the amount of water generated upon heating at 600° C. according to the Karl Fischer method.
    Type: Application
    Filed: October 22, 2003
    Publication date: January 26, 2006
    Inventors: Eiji Kataoka, Kouichi Takayama, Yukio Oda
  • Patent number: 6876542
    Abstract: A nitrogen containing metal powder wicth a large specific surface area, and containing a suitable quantity of nitrogen dispersed uniformly within the metal is produced with good productivity, and provides a solid electrolytic capacitor with a high capacitance, minimal leakage current, and excellent long term reliability. This nitrogen containing metal powder has a ratio W/S between the nitrogen content W [ppm] of the powder, and the specific surface area S [m2/g], as measured by a BET method, that falls within a range from 500 to 3000. This type of powder can be produced by a process in which a metal salt containing the metal is reacted with a reducing agent and undergoes reduction within a diluent salt, thereby generating the metal, wherein a nitrogen containing gas is introduced into the space contacting the reaction melt comprising the metal salt, the reducing agent and the diluent salt, thereby generating the metal and incorporating the nitrogen within the metal.
    Type: Grant
    Filed: August 13, 2002
    Date of Patent: April 5, 2005
    Assignee: Cabot Supermetals K.K.
    Inventors: Yukio Oda, Isayuki Horio
  • Publication number: 20040205947
    Abstract: A nitrogen containing metal powder with a large specific surface area, and containing a suitable quantity of nitrogen dispersed uniformly within the metal is produced with good productivity, and provides a solid electrolytic capacitor with a high capacitance, minimal leakage current, and excellent long term reliability. This nitrogen containing metal powder has a ratio W/S between the nitrogen content W [ppm] of the powder, and the specific surface area S [m2/g], as measured by a BET method, that falls within a range from 500 to 3000. This type of powder can be produced by a process in which a metal salt containing the metal is reacted with a reducing agent and undergoes reduction within a diluent salt, thereby generating the metal, wherein a nitrogen containing gas is introduced into the space contacting the reaction melt comprising the metal salt, the reducing agent and the diluent salt, thereby generating the metal and incorporating the nitrogen within the metal.
    Type: Application
    Filed: February 10, 2004
    Publication date: October 21, 2004
    Inventors: Yukio Oda, Isayuki Horio
  • Patent number: 6689187
    Abstract: The tantalum powder for capacitors of the present invention has a specific surface area SB as determined by the BET method of 1.3 m2/g or more, and an SB/SF ratio between the specific surface area SB as determined by the BET method and the specific surface area SF determined by the FSS method of 4 to 10. This tantalum powder not only has a large specific surface area SB, but also has suitable cohesive strength and uniform porosity. Consequently, a solid state electrolytic capacitor having high capacitance and low ESR can be obtained by providing with a capacitor anode formed from a sintered body of this tantalum powder. In addition, whether or not this tantalum powder is suitable for the production of a tantalum capacitor having high capacitance and low ESR can be determined easily and reliably by evaluating the tantalum powder using the specific surface area SB as determined by the BET method and the SB/SF ratio between SB and the specific surface area SF determined by the FSS method.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: February 10, 2004
    Assignee: Cabot Supermetals K.K.
    Inventor: Yukio Oda
  • Publication number: 20030183042
    Abstract: A niobium or tantalum powder of the present invention comprises aggregates in which primary particles of niobium or tantalum are aggregated, and have a pore distribution having a peak in the range from 1 to 20 &mgr;m as measured by mercury porosimetry. That is, the niobium or tantalum powder of the present invention comprises aggregates having large pores, which connect with vacancies between the primary particles and facilitate the permeation of an electrolyte over the entirety of the inside of each aggregate. Accordingly, a solid electrolytic capacitor comprising an anode electrode made of the niobium or tantalum powder has high capacity and also a low ESR.
    Type: Application
    Filed: December 2, 2002
    Publication date: October 2, 2003
    Inventors: Yukio Oda, Yujiro Mizusaki