Patents by Inventor Masamitsu HAEMORI

Masamitsu HAEMORI 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: 20240317778
    Abstract: A compound of formula (1): Z1-?a-?b-?c-?d-?e-Z2 ??(1), wherein ?, ?, ?, ?, and ? are respectively units of formulas (1?), (1?), (1?), (1?), and (1?): and the structure of the unit ? is different from the structure of the unit ?, the structure of the unit ? is different from the structure of the unit ?, the structure of the unit ? is different from the structure of the unit ?, and the structure of the unit ? is different from the structure of the unit ?.
    Type: Application
    Filed: August 17, 2022
    Publication date: September 26, 2024
    Applicants: IDEMITSU KOSAN CO.,LTD., THE UNIVERSITY OF TOKYO
    Inventors: Masamitsu HAEMORI, Shigekazu TOMAI, Yoshikatsu SEINO, Hiroaki NAKAMURA, Hatsumi MORI, Tomoko FUJINO, Shun DEKURA, Kota ONOZUKA
  • Publication number: 20240255371
    Abstract: There is provided a multilayer electrode including a contact layer capable of being superposed on a strain resistance film; a diffusion prevention layer superposed on the contact layer; and a mounting layer superposed on the diffusion prevention layer, in which the diffusion prevention layer contains a transition element belonging to the fifth or sixth periods.
    Type: Application
    Filed: April 1, 2024
    Publication date: August 1, 2024
    Applicant: TDK CORPORATION
    Inventors: Masanori KOBAYASHI, Masamitsu HAEMORI, Ken UNNO, Tetsuya SASAHARA, Kohei NAWAOKA
  • Patent number: 11655159
    Abstract: A dielectric film includes a main component of a complex oxide represented by a general formula of (Sr1-xCax)yTiO3. 0.40?x?0.90 and 0.90?y?1.10 are satisfied. A ratio of a diffraction peak intensity on (1, 1, 2) plane of the complex oxide to a diffraction peak intensity on (0, 0, 4) plane of the complex oxide in an X-ray diffraction chart of the dielectric film is 3.00 or more. Instead, a ratio of an intensity of a diffraction peak appearing at a diffraction angle 2? of 32° or more and 34° or less to an intensity of a diffraction peak appearing at a diffraction angle 2? of 46° or more and 48° or less in an X-ray diffraction chart of the dielectric film obtained by an X-ray diffraction measurement with Cu-K? ray as an X-ray source is 3.00 or more.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: May 23, 2023
    Assignee: TDK CORPORATION
    Inventors: Toshio Asahi, Masamitsu Haemori, Hitoshi Saita
  • Patent number: 11551867
    Abstract: The present invention provides a dielectric composition having high relative permittivity and insulation resistance at high temperature. The dielectric composition includes a main component expressed by a compositional formula (Sr1-x, Cax)m(Ti1-yHfy)O3-?N?, in which 0<x?0.15, 0<y?0.15, 0.90?m?1.15, and 0<??0.05 are satisfied.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: January 10, 2023
    Assignee: MAEDA & SUZUKI PATENT CO., LTD.
    Inventors: Masamitsu Haemori, Toshio Asahi, Hitoshi Saita
  • Patent number: 11524897
    Abstract: To provide a dielectric composition having excellent reliability. The dielectric composition contains a main component represented by a composition formula (Sr1-xCax)m(Ti1-yHfy)O3-?N?, in which 0.15<x?0.90, 0<y?0.15, 0.90?m?1.15, 0<??0.05 are satisfied.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: December 13, 2022
    Assignee: TDK CORPORATION
    Inventors: Toshio Asahi, Masamitsu Haemori, Masahito Furukawa, Hitoshi Saita
  • Patent number: 11462339
    Abstract: A dielectric film may be exposed to an acid solution such as hydrochloric acid, nitric acid, or sulfuric acid during a wet process after film formation. The inventors have newly found that when a dielectric film includes Zr having a lower ionization tendency than Ti in a main component of a metal oxide expressed by a general formula (Ba, Ca)(Ti, Zr)O3 is provided and satisfies at least one between relationships such that degree of orientation of (100) plane is higher than degree of orientation of (110) plane, and degree of orientation of (111) plane is higher than degree of orientation of (110) plane in a film thickness direction, the dielectric film is less likely to be damaged during a wet process, and the resistance to a wet process is improved.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: October 4, 2022
    Assignee: TDK CORPORATION
    Inventors: Saori Takahashi, Masahito Furukawa, Masamitsu Haemori, Hiroki Uchiyama, Wakiko Sato, Hitoshi Saita
  • Patent number: 11453615
    Abstract: A dielectric thin film contains Ca, Sr, Ti, Hf, O and N, wherein among crystal grains existing in a plane field of view of 1 ?m square perpendicular to a film thickness direction of the dielectric thin film, a number ratio of crystal grains having a grain size of 19 nm or more and less than 140 nm is 95% or more, among the crystal grains existing in the plane field of view, a number ratio of first crystal grains having a grain size of 65 nm or more and less than 77 nm is 20% or more, and among the crystal grains existing in the plane field of view, a number ratio of second crystal grains having a grain size of 19 nm or more and less than 54 nm is 40% or less.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: September 27, 2022
    Assignee: TDK CORPORATION
    Inventors: Toshio Asahi, Masamitsu Haemori, Hitoshi Saita, Masahito Furukawa
  • Publication number: 20210292244
    Abstract: A dielectric thin film contains Ca, Sr, Ti, Hf, O and N, wherein among crystal grains existing in a plane field of view of 1 ?m square perpendicular to a film thickness direction of the dielectric thin film, a number ratio of crystal grains having a grain size of 19 nm or more and less than 140 nm is 95% or more, among the crystal grains existing in the plane field of view, a number ratio of first crystal grains having a grain size of 65 nm or more and less than 77 nm is 20% or more, and among the crystal grains existing in the plane field of view, a number ratio of second crystal grains having a grain size of 19 nm or more and less than 54 nm is 40% or less.
    Type: Application
    Filed: March 2, 2021
    Publication date: September 23, 2021
    Applicant: TDK CORPORATION
    Inventors: Toshio ASAHI, Masamitsu HAEMORI, Hitoshi SAITA, Masahito FURUKAWA
  • Publication number: 20210276868
    Abstract: To provide a dielectric composition having excellent reliability. The dielectric composition contains a main component represented by a composition formula (Sr1-xCax)m(Ti1-yHfy)O3-?N?, in which 0.15<x?0.90, 0<y?0.15, 0.90?m?1.15, 0<??0.05 are satisfied.
    Type: Application
    Filed: March 2, 2021
    Publication date: September 9, 2021
    Applicant: TDK CORPORATION
    Inventors: Toshio ASAHI, Masamitsu HAEMORI, Masahito FURUKAWA, Hitoshi SAITA
  • Publication number: 20210130187
    Abstract: A dielectric film includes a main component of a complex oxide represented by a general formula of (Sr1-xCax)yTiO3. 0.40?x?0.90 and 0.90?y?1.10 are satisfied. A ratio of a diffraction peak intensity on (1, 1, 2) plane of the complex oxide to a diffraction peak intensity on (0, 0, 4) plane of the complex oxide in an X-ray diffraction chart of the dielectric film is 3.00 or more. Instead, a ratio of an intensity of a diffraction peak appearing at a diffraction angle 2? of 32° or more and 34° or less to an intensity of a diffraction peak appearing at a diffraction angle 2? of 46° or more and 48° or less in an X-ray diffraction chart of the dielectric film obtained by an X-ray diffraction measurement with Cu-K? ray as an X-ray source is 3.00 or more.
    Type: Application
    Filed: October 15, 2020
    Publication date: May 6, 2021
    Applicant: TDK CORPORATION
    Inventors: Toshio ASAHI, Masamitsu HAEMORI, Hitoshi SAITA
  • Patent number: 10991510
    Abstract: A dielectric membrane may be exposed to an acid solution such as hydrochloric acid, nitric acid, or sulfuric acid during a wet process after membrane formation. The inventors have newly found that when a dielectric membrane includes Ca having a lower ionization tendency than Ba and Zr having a lower ionization tendency than Ti in a main component of a metal oxide expressed by a general formula (Ba, Ca)(Ti, Zr)O3 and satisfies at least one of degree of orientation of (100) plane>degree of orientation of (110) plane and degree of orientation of (111) plane>degree of orientation of (110) plane in a membrane thickness direction, the dielectric membrane is less likely to be damaged during a wet process, and the resistance to a wet process is improved.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: April 27, 2021
    Assignee: TDK CORPORATION
    Inventors: Saori Takahashi, Masahito Furukawa, Masamitsu Haemori, Hiroki Uchiyama, Wakiko Sato, Hitoshi Saita
  • Publication number: 20210110974
    Abstract: The present invention provides a dielectric composition having high relative permittivity and insulation resistance at high temperature. The dielectric composition includes a main component expressed by a compositional formula (Sr1-x, Cax)m(Ti1-yHfy)O3-?N?, in which 0<x?0.15, 0<y?0.15, 0.90?m?1.15, and 0<??0.05 are satisfied.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 15, 2021
    Applicant: TDK CORPORATION
    Inventors: Masamitsu HAEMORI, Toshio ASAHI, Hitoshi SAITA
  • Publication number: 20200105438
    Abstract: A dielectric film may be exposed to an acid solution such as hydrochloric acid, nitric acid, or sulfuric acid during a wet process after film formation. The inventors have newly found that when a dielectric film includes Zr having a lower ionization tendency than Ti in a main component of a metal oxide expressed by a general formula (Ba, Ca)(Ti, Zr)O3 is provided and satisfies at least one between relationships such that degree of orientation of (100) plane is higher than degree of orientation of (110) plane, and degree of orientation of (111) plane is higher than degree of orientation of (110) plane in a film thickness direction, the dielectric film is less likely to be damaged during a wet process, and the resistance to a wet process is improved.
    Type: Application
    Filed: December 3, 2019
    Publication date: April 2, 2020
    Applicant: TDK CORPORATION
    Inventors: Saori TAKAHASHI, Masahito FURUKAWA, Masamitsu HAEMORI, Hiroki UCHIYAMA, Wakiko SATO, Hitoshi SAITA
  • Publication number: 20190304688
    Abstract: A dielectric membrane may be exposed to an acid solution such as hydrochloric acid, nitric acid, or sulfuric acid during a wet process after membrane formation. The inventors have newly found that when a dielectric membrane includes Ca having a lower ionization tendency than Ba and Zr having a lower ionization tendency than Ti in a main component of a metal oxide expressed by a general formula (Ba, Ca)(Ti, Zr)O3 and satisfies at least one of degree of orientation of (100) plane>degree of orientation of (110) plane and degree of orientation of (111) plane>degree of orientation of (110) plane in a membrane thickness direction, the dielectric membrane is less likely to be damaged during a wet process, and the resistance to a wet process is improved.
    Type: Application
    Filed: March 20, 2019
    Publication date: October 3, 2019
    Applicant: TDK CORPORATION
    Inventors: Saori TAKAHASHI, Masahito FURUKAWA, Masamitsu HAEMORI, Hiroki UCHIYAMA, Wakiko SATO, Hitoshi SAITA
  • Patent number: 9537083
    Abstract: Provided is a piezoelectric composition containing a major component that is a perovskite-type oxide which is represented by the general formula ABO3, which contains no Pb, and which has A-sites containing Bi, Na, and K and B-sites containing Ti. The Ti is partly substituted with a transition metal element Me that is at least one selected from the group consisting of Mn, Cr, Fe, and Co. The content of Bi and the transition metal element Me in the perovskite-type oxide, which is the major component, is 6 mole percent to 43 mole percent in terms of Biu1MeO3.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: January 3, 2017
    Assignee: TDK CORPORATION
    Inventors: Taku Masai, Masamitsu Haemori, Masahito Furukawa, Junichi Yamazaki, Kouhei Ohhashi
  • Patent number: 9437807
    Abstract: The present invention aims to provide a piezoelectric composition and a piezoelectric element containing the piezoelectric composition. In the piezoelectric composition, the main component contains a substance represented by the following formula with a perovskite structure, (Bi(0.5x+y+z)Na0.5x)m(Ti(x+0.5y)Mg0.5yAlkzCo(1?k)z)O3 0.15?x?0.7, 0.28?y?0.75, 0.02?z?0.30, 0.17?k?0.83, 0.75?m?1.0, and x+y+z=1.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: September 6, 2016
    Assignee: TDK CORPORATION
    Inventors: Yuko Saya, Taku Masai, Masahito Furukawa, Masamitsu Haemori
  • Publication number: 20160141486
    Abstract: Provided is a piezoelectric composition containing a major component that is a perovskite-type oxide which is represented by the general formula ABO3, which contains no Pb, and which has A-sites containing Bi, Na, and K and B-sites containing Ti. The Ti is partly substituted with a transition metal element Me that is at least one selected from the group consisting of Mn, Cr, Fe, and Co. The content of Bi and the transition metal element Me in the perovskite-type oxide, which is the major component, is 6 mole percent to 43 mole percent in terms of Biu1MeO3.
    Type: Application
    Filed: March 7, 2014
    Publication date: May 19, 2016
    Applicant: TDK CORPORATION
    Inventors: Taku MASAI, Masamitsu HAEMORI, Masahito FURUKAWA, Junichi YAMAZAKI, Kouhei OHHASHI
  • Publication number: 20150280105
    Abstract: The present invention aims to provide a piezoelectric composition and a piezoelectric element containing the piezoelectric composition. In the piezoelectric composition, the main component contains a substance represented by the following formula with a perovskite structure, (Bi(0.5x+y+z)Na0.5x)m(Ti(x+0.5y)Mg0.5yAlkzCo(1?k)z)O3 0.15?x?0.7, 0.28?y?0.75, 0.02?z?0.30, 0.17?k?0.83, 0.75?m?1.0, and x+y+z=1.
    Type: Application
    Filed: March 31, 2015
    Publication date: October 1, 2015
    Inventors: Yuko SAYA, Taku MASAI, Masahito FURUKAWA, Masamitsu HAEMORI