Patents by Inventor Atsushi Tanada

Atsushi Tanada 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: 20240400617
    Abstract: The present inventors found cyclic peptide compounds that interact with Ras, and non-natural amino acids useful for the production of the cyclic peptide compounds. The inventors also found that the cyclic peptide compounds inhibit the binding between Ras and SOS. In addition, the inventors found specific non-natural amino acids contained in the cyclic peptide compounds and methods for production thereof.
    Type: Application
    Filed: July 15, 2024
    Publication date: December 5, 2024
    Inventors: Mikimasa TANADA, Koji TAKANO, Atsushi MATSUO, Minoru TAMIYA, Aya CHIYODA, Toshiya ITO, Takeo IIDA
  • Patent number: 11942249
    Abstract: A composite magnetic body according to one aspect of the present invention includes a first metal magnetic particle covered with a first resin portion made of a first resin material and a second metal magnetic particle having a smaller particle size than the first metal magnetic particle, where the second metal magnetic particle is bound to the first metal magnetic particle via a second resin portion made of a second resin material, the second resin material having a softening point higher than the first resin material.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: March 26, 2024
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Atsushi Tanada
  • Patent number: 11901102
    Abstract: A coil component includes: a magnetic base body formed by metal magnetic grains containing Fe, Si, and Cr, whose intensity ratio (IM/IH) of the strongest line intensity (IM) in a range of wavenumbers 650 to 750 cm?1, to the strongest line intensity (IH) in a range of wavenumbers 400 to 450 cm?1, in a Raman spectrum measured at the center part is 2 or higher, and which also has a part on the surface side of the center part where the intensity ratio (IM/IH) in a Raman spectrum is under 2; and a conductor placed inside or on the surface of the magnetic base body. The magnetic base body is constituted by a powder magnetic core made to have excellent electrical insulating property and high magnetic permeability.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: February 13, 2024
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Atsushi Tanada
  • Patent number: 11848132
    Abstract: One aspect of the present invention is a coil component comprising: a magnetic substrate formed with magnetic metal particles containing Fe, Si and Cr, and a bonding layer containing oxygen and nitrogen that bonds the magnetic metal particles to each other; and a conductor arranged inside or on the surface of the magnetic substrate.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: December 19, 2023
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Kinshiro Takadate, Atsushi Tanada, Kengo Tsuchiya
  • Publication number: 20230187110
    Abstract: A composite magnetic body according to one aspect of the present invention includes a first metal magnetic particle covered with a first resin portion made of a first resin material and a second metal magnetic particle having a smaller particle size than the first metal magnetic particle, where the second metal magnetic particle is bound to the first metal magnetic particle via a second resin portion made of a second resin material, the second resin material having a softening point higher than the first resin material.
    Type: Application
    Filed: November 30, 2022
    Publication date: June 15, 2023
    Inventor: Atsushi TANADA
  • Patent number: 11657936
    Abstract: A winding-type coil component whose core member is constituted by: soft magnetic alloy grains 210 containing Fe, Si, and at least one of Cr and Al, as constituent elements; and an oxide layer 220 which is formed around the soft magnetic alloy grains to bond the soft magnetic alloy grains together and contains Si, as well as at least one of Cr and Al, as constituent elements, and whose content of Si based on mass is higher than the total content of Cr and Al. The winding-type coil component has high mechanical strength.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: May 23, 2023
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Atsushi Tanada, Toshimasa Suzuki
  • Patent number: 11538612
    Abstract: A composite magnetic body according to one aspect of the present invention includes a first metal magnetic particle covered with a first resin portion made of a first resin material and a second metal magnetic particle having a smaller particle size than the first metal magnetic particle, where the second metal magnetic particle is bound to the first metal magnetic particle via a second resin portion made of a second resin material and the second resin material has a larger molecular weight than the first resin material.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: December 27, 2022
    Assignee: Taiyo Yuden Co., Ltd.
    Inventor: Atsushi Tanada
  • Publication number: 20220208422
    Abstract: A coil component includes: a magnetic base body formed by metal magnetic grains containing Fe, Si, and Cr, whose intensity ratio (IM/IH) of the strongest line intensity (IM) in a range of wavenumbers 650 to 750 cm?1, to the strongest line intensity (IH) in a range of wavenumbers 400 to 450 cm?1, in a Raman spectrum measured at the center part is 2 or higher, and which also has a part on the surface side of the center part where the intensity ratio (IM/IH) in a Raman spectrum is under 2; and a conductor placed inside or on the surface of the magnetic base body. The magnetic base body is constituted by a powder magnetic core made to have excellent electrical insulating property and high magnetic permeability.
    Type: Application
    Filed: December 16, 2021
    Publication date: June 30, 2022
    Inventor: Atsushi TANADA
  • Publication number: 20220199303
    Abstract: One aspect of the present invention is a coil component comprising: a magnetic substrate formed with magnetic metal particles containing Fe, Si and Cr, and a bonding layer containing oxygen and nitrogen that bonds the magnetic metal particles to each other; and a conductor arranged inside or on the surface of the magnetic substrate.
    Type: Application
    Filed: December 6, 2021
    Publication date: June 23, 2022
    Applicant: Taiyo Yuden Co., Ltd.
    Inventors: Kinshiro TAKADATE, Atsushi TANADA, Kengo TSUCHIYA
  • Publication number: 20200312500
    Abstract: A composite magnetic body according to one aspect of the present invention includes a first metal magnetic particle covered with a first resin portion made of a first resin material and a second metal magnetic particle having a smaller particle size than the first metal magnetic particle, where the second metal magnetic particle is bound to the first metal magnetic particle via a second resin portion made of a second resin material and the second resin material has a larger molecular weight than the first resin material.
    Type: Application
    Filed: March 26, 2020
    Publication date: October 1, 2020
    Inventor: Atsushi TANADA
  • Publication number: 20200312503
    Abstract: A winding-type coil component whose core member is constituted by: soft magnetic alloy grains 210 containing Fe, Si, and at least one of Cr and Al, as constituent elements; and an oxide layer 220 which is formed around the soft magnetic alloy grains to bond the soft magnetic alloy grains together and contains Si, as well as at least one of Cr and Al, as constituent elements, and whose content of Si based on mass is higher than the total content of Cr and Al. The winding-type coil component has high mechanical strength.
    Type: Application
    Filed: March 16, 2020
    Publication date: October 1, 2020
    Inventors: Atsushi TANADA, Toshimasa SUZUKI
  • Patent number: 10741315
    Abstract: A magnetic body constituted by magnetic grains bonded together via oxide film, which magnetic grains contain a Fe—Si-M soft magnetic alloy (where M is a metal element more easily oxidized than Fe) that contains sulfur atoms (S). The magnetic body preferably contains 0.004 to 0.012 percent by weight of S, 1.5 to 7.5 percent by weight of Si, and 2 to 8 percent by weight of metal M.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: August 11, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Atsushi Tanada, Kiyoshi Tanaka
  • Patent number: 10544488
    Abstract: In some embodiments, a magnetic body 1 has soft magnetic alloy grains 11 that contain Fe, M (M is a metal element that oxidizes more easily than Fe), and S, as well as oxide films 12 produced by partial oxidization of the soft magnetic alloy grains 11, wherein the magnetic body 1 has its adjacent soft magnetic alloy grains 11 bonded together at least partially through the oxide films 12, and contains Fe by 92.5 to 96 percent by weight and S by 0.003 to 0.02 percent by weight. The magnetic body can have high levels of both magnetic permeability and volume resistivity, to meet the demand for smaller, higher-performance electronic components.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: January 28, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Atsushi Tanada, Kenji Takashima, Yoko Orimo
  • Patent number: 10304601
    Abstract: In an embodiment, a magnetic body includes: multiple soft magnetic alloy grains 11, 12 each containing Fe, element L (where element L is Si, Zr or Ti), and element M (where Element M is an element other than Si, Zr, and Ti, and which oxidizes more easily than Fe); oxide films 21, 22 covering the soft magnetic alloy grains, respectively; a bonding material 30 constituted by an oxide that exists separately from the oxide films 21 (21A, 21B), 22 (22A, 22B); first bonds where adjacent soft magnetic alloy grains 11, 12 are bonded together via the oxide films 21, 22; and second bonds where adjacent soft magnetic alloy grains 11, 12 are bonded together via the bonding material 30, without the oxide films 21, 22 that respectively cover these grains making direct contact with each other.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: May 28, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Atsushi Tanada
  • Patent number: 9892834
    Abstract: A coil component having a magnetic material and a coil formed on a surface of or inside the magnetic material. The magnetic material is constituted by a grain compact formed by compacting multiple metal grains that in turn are constituted by an Fe—Si—M soft magnetic alloy (where M is a metal element that oxidizes more easily than Fe), wherein individual metal grains have oxide film formed at least partially around them; the grain compact is formed primarily via bonding between oxide films formed around adjacent metal grains; and the apparent density of the grain compact 1 is 5.2 g/cm3 or more, or preferably 5.2 to 7.0 g/cm3.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: February 13, 2018
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Hideki Ogawa, Atsushi Tanada
  • Publication number: 20170287605
    Abstract: In an embodiment, a magnetic body includes: multiple soft magnetic alloy grains 11, 12 each containing Fe, element L (where element L is Si, Zr or Ti), and element M (where Element M is an element other than Si, Zr, and Ti, and which oxidizes more easily than Fe); oxide films 21, 22 covering the soft magnetic alloy grains, respectively; a bonding material 30 constituted by an oxide that exists separately from the oxide films 21 (21A, 21B), 22 (22A, 22B); first bonds where adjacent soft magnetic alloy grains 11, 12 are bonded together via the oxide films 21, 22; and second bonds where adjacent soft magnetic alloy grains 11, 12 are bonded together via the bonding material 30, without the oxide films 21, 22 that respectively cover these grains making direct contact with each other.
    Type: Application
    Filed: March 21, 2017
    Publication date: October 5, 2017
    Inventor: Atsushi TANADA
  • Publication number: 20160254082
    Abstract: In some embodiments, a magnetic body 1 has soft magnetic alloy grains 11 that contain Fe, M (M is a metal element that oxidizes more easily than Fe), and S, as well as oxide films 12 produced by partial oxidization of the soft magnetic alloy grains 11, wherein the magnetic body 1 has its adjacent soft magnetic alloy grains 11 bonded together at least partially through the oxide films 12, and contains Fe by 92.5 to 96 percent by weight and S by 0.003 to 0.02 percent by weight. The magnetic body can have high levels of both magnetic permeability and volume resistivity, to meet the demand for smaller, higher-performance electronic components.
    Type: Application
    Filed: February 26, 2016
    Publication date: September 1, 2016
    Inventors: Atsushi TANADA, Kenji TAKASHIMA, Yoko ORIMO
  • Patent number: 9293244
    Abstract: A magnetic material constituted by a grain compact 1 obtained by shaping metal grains 11 and then heat-treating them in an oxidizing ambience, wherein the metal grains 11 are made of a Fe—Cr—Si alloy and their FeMetal/(FeMetal+FeOxide) ratio as measured before shaping by XPS, with respect to the sum of integral values at the peaks of 709.6 eV, 710.7 eV and 710.9 eV, or FeOxide, and peak integral value at 706.9 eV, or FeMetal, is 0.2 or more.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: March 22, 2016
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Hitoshi Matsuura, Hideki Ogawa, Atsushi Tanada, Kiyoshi Tanaka, Kenji Otake
  • Patent number: 9007159
    Abstract: A coil-type electronic component having a coil inside or on the surface of a base material is characterized in that the base material of the coil-type electronic component is constituted by a group of soft magnetic alloy grains inter-bonded via oxide layers, multiple crystal grains are present in each soft magnetic alloy grain, and the oxide layers preferably have a two-layer structure whose outer layer is thicker than the inner layer.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: April 14, 2015
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Masahiro Hachiya, Atsushi Tanada, Kenji Otake, Kiyoshi Tanaka, Tetsuyuki Suzuki
  • Publication number: 20150083960
    Abstract: A magnetic body constituted by magnetic grains bonded together via oxide film, which magnetic grains contain a Fe—Si-M soft magnetic alloy (where M is a metal element more easily oxidized than Fe) that contains sulfur atoms (S). The magnetic body preferably contains 0.004 to 0.012 percent by weight of S, 1.5 to 7.5 percent by weight of Si, and 2 to 8 percent by weight of metal M.
    Type: Application
    Filed: September 19, 2014
    Publication date: March 26, 2015
    Inventors: Atsushi TANADA, Kiyoshi TANAKA