Patents by Inventor Tsutomu Kanno

Tsutomu Kanno 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: 20240164211
    Abstract: A thermoelectric conversion element includes a P-type thermoelectric conversion layer, a first metal layer, a second metal layer, a first joining layer, and a second joining layer. The P-type thermoelectric conversion layer includes a thermoelectric conversion material containing Mg and at least one selected from the group consisting of Sb and Bi. The first metal layer and the second metal layer each include Cu or a Cu alloy. The first joining layer and the second joining layer each include Al or an Al alloy containing Mg.
    Type: Application
    Filed: January 23, 2024
    Publication date: May 16, 2024
    Inventors: Takeshi KAWABE, Yuriko KANEKO, Tsutomu KANNO, Hiromasa TAMAKI
  • Patent number: 11957055
    Abstract: A thermoelectric conversion element includes a P-type thermoelectric conversion layer, a first metal layer, a second metal layer, a first joining layer, and a second joining layer. The P-type thermoelectric conversion layer includes a thermoelectric conversion material containing Mg and at least one selected from the group consisting of Sb and Bi. The first metal layer and the second metal layer each include Cu or a Cu alloy. The first joining layer and the second joining layer each include Al or an Al alloy containing Mg.
    Type: Grant
    Filed: October 5, 2022
    Date of Patent: April 9, 2024
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Takeshi Kawabe, Yuriko Kaneko, Tsutomu Kanno, Hiromasa Tamaki
  • Publication number: 20240099139
    Abstract: A fabrication method of a thermoelectric conversion element includes forming a first metal layer containing Cu on a first surface of a thermoelectric conversion layer, and forming a first electrode and a first intermediate layer from the first metal layer. The thermoelectric conversion layer is composed of a thermoelectric conversion material containing Mg and at least one kind of element selected from the group consisting of Sb and Bi, the first intermediate layer is provided between the thermoelectric conversion layer and the first electrode, the first intermediate layer is in contact with the thermoelectric conversion layer, the first electrode is in contact with the first intermediate layer, and a composition of the first intermediate layer is different from both a composition of the first electrode and a composition of the thermoelectric conversion layer.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 21, 2024
    Inventors: Miho UEHARA, Yuriko KANEKO, Atsushi ONO, Masashige KAWABE, Tsutomu KANNO, Hiromasa TAMAKI, Hiroki SATO
  • Publication number: 20240090331
    Abstract: A thermoelectric conversion material of the present disclosure is a p-type thermoelectric conversion material which includes an alloy containing Mg and Bi as a main phase and which contains carbon. The thermoelectric conversion material includes, for example, a Mg3(Sb,Bi)2-based alloy as the main phase. An atomic percentage of Bi included in the main phase is greater than or equal to an atomic percentage of Sb included in the main phase. The thermoelectric conversion material satisfies, for example, 0.01 at %?CC?1.2 at %, where CC represents a content ratio of carbon in the thermoelectric conversion material.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Inventors: TAKESHI KAWABE, YURIKO KANEKO, TSUTOMU KANNO, HIROMASA TAMAKI
  • Publication number: 20240090332
    Abstract: A thermoelectric conversion element includes a p-type thermoelectric conversion layer, a first metal layer, a second metal layer, a first bonding layer, and a second bonding layer. The thermoelectric conversion layer is composed of a p-type thermoelectric conversion material containing a Mg3(Sb,Bi)2-based alloy as a main phase and containing carbon. At least one of the first bonding layer or the second bonding layer contains Al and Si.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Inventors: TAKESHI KAWABE, YURIKO KANEKO, TSUTOMU KANNO, HIROMASA TAMAKI
  • Patent number: 11910713
    Abstract: The present disclosure provides a thermoelectric conversion material having a composition represented by a chemical formula of Li2?a+bMg1?bSi. In this thermoelectric conversion material, either requirement (i) in which 0?a?0.0001 and 0.0001?b?0.25-a or requirement (ii) in which 0.0001?a?0.25 and 0?b?0.25-a is satisfied. The thermoelectric conversion material has an Li8Al3Si5 type crystalline structure.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: February 20, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiromasa Tamaki, Yuriko Kaneko, Hiroki Sato, Tsutomu Kanno, HyunJeong Nam
  • Publication number: 20240057480
    Abstract: A thermoelectric conversion material of the present disclosure contains Ge, Mg, at least one of Sb and Bi, and Te, and satisfies the condition (1) represented by x+a+b<0.98. In the condition (1), x is the amount-of-substance ratio of the content of Ge to the content of Te, a is the amount-of-substance ratio of the content of Mg to the content of Te, and b is the amount-of-substance ratio of the sum of the contents of Sb and Bi to the content of Te.
    Type: Application
    Filed: October 24, 2023
    Publication date: February 15, 2024
    Inventors: FUYUKI ANDO, YURIKO KANEKO, TSUTOMU KANNO, HIROMASA TAMAKI
  • Patent number: 11871666
    Abstract: The thermoelectric conversion element according to the present disclosure comprises a first electrode, a second electrode, a first intermediate layer, a second intermediate layer, and a thermoelectric conversion layer. The first intermediate layer is provided between the thermoelectric conversion layer and the first electrode. The first intermediate layer is in contact with the thermoelectric conversion layer. The first electrode is in contact with the first intermediate layer. The second intermediate layer is provided between the thermoelectric conversion layer and the second electrode. The second intermediate layer is in contact with the thermoelectric conversion layer. The second electrode is in contact with the second intermediate layer. The first electrode and the second electrode are composed of a CuZn alloy. The thermoelectric conversion layer is composed of a thermoelectric conversion material containing Mg.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: January 9, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Miho Uehara, Yuriko Kaneko, Atsushi Ono, Masashige Kawabe, Tsutomu Kanno, Hiromasa Tamaki, Hiroki Sato
  • Patent number: 11849641
    Abstract: A thermoelectric conversion element of the present disclosure includes a thermoelectric conversion layer, a first metal layer, a second metal layer, a first joining layer, and a second joining layer. At least one of the first joining layer and the second joining layer includes a second alloy. A content of Mg in the second alloy is 84 atm % or more and 89 atm % or less, a content of Cu in the second alloy is 11 atm % or more and 15 atm % or less, and a content of an alkaline earth metal in the second alloy is 0 atm % or more and 1 atm % or less.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: December 19, 2023
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Yuriko Kaneko, Tsutomu Kanno
  • Patent number: 11737365
    Abstract: The present disclosure provides a thermoelectric conversion material having a composition represented by a chemical formula of Ba1-a-b-cSrbCacKaMg2Bi2-dSbd. In the chemical formula, the following relationships are satisfied: 0.002?a?0.1, 0?b, 0?c, a+b+c?1, and 0?d?2. In addition, the thermoelectric conversion material has a La2O3-type crystal structure.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: August 22, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiromasa Tamaki, Hiroki Sato, Tsutomu Kanno
  • Publication number: 20230044945
    Abstract: A thermoelectric conversion element includes a P-type thermoelectric conversion layer, a first metal layer, a second metal layer, a first joining layer, and a second joining layer. The P-type thermoelectric conversion layer includes a thermoelectric conversion material containing Mg and at least one selected from the group consisting of Sb and Bi. The first metal layer and the second metal layer each include Cu or a Cu alloy. The first joining layer and the second joining layer each include Al or an Al alloy containing Mg.
    Type: Application
    Filed: October 5, 2022
    Publication date: February 9, 2023
    Inventors: Takeshi KAWABE, Yuriko KANEKO, Tsutomu KANNO, Hiromasa TAMAKI
  • Patent number: 11444230
    Abstract: A thermoelectric conversion material has a composition represented by the chemical formula Li3-aBi1-bSib, in which the range of values a and b is: 0?a?0.0001, and ?a+0.0003?b?0.023; 0.0001?a<0.0003, and ?a+0.0003?b?exp[?0.046×(ln(a))2?1.03×ln(a)?9.51]; or 0.0003?a?0.085, and 0<b?exp[?0.046×(ln(a))2?1.03×ln(a)?9.51], and in which the thermoelectric conversion material has a BiF3-type crystal structure and has a p-type polarity.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: September 13, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiromasa Tamaki, Tsutomu Kanno, Hiroki Sato
  • Patent number: 11437558
    Abstract: A thermoelectric conversion material has a composition represented by the chemical formula Li3-aBi1-bGeb, in which the range of values a and b is: 0?a?0.0003, and ?a+0.0003?b?0.108; 0.0003?a?0.003, and 0?b?0.108; or 0.003?a?0.085, and 0?b?exp[?0.157×(ln(a))2?2.22×ln(a)?9.81], and in which the thermoelectric conversion material has a BiF3-type crystal structure and has a p-type polarity.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: September 6, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiromasa Tamaki, Tsutomu Kanno, Hiroki Sato
  • Publication number: 20220209092
    Abstract: A thermoelectric conversion element of the present disclosure includes a thermoelectric conversion layer, a first metal layer, a second metal layer, a first joining layer, and a second joining layer. At least one of the first joining layer and the second joining layer includes a second alloy. A content of Mg in the second alloy is 84 atm % or more and 89 atm % or less, a content of Cu in the second alloy is 11 atm % or more and 15 atm % or less, and a content of an alkaline earth metal in the second alloy is 0 atm % or more and 1 atm % or less.
    Type: Application
    Filed: March 18, 2022
    Publication date: June 30, 2022
    Inventors: Yuriko KANEKO, Tsutomu KANNO
  • Patent number: 11282996
    Abstract: A thermoelectric conversion material has a composition represented by the chemical formula Li3-aBi1-bSnb, in which the range of values a and b is: 0?a<0.0003, and ?a+0.0003?b?0.016; or 0.0003?a?0.085, and 0<b?exp[?0.079×(ln(a))2?1.43×ln(a)?10.5], and in which the thermoelectric conversion material has a BiF3-type crystal structure and has a p-type polarity.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: March 22, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiromasa Tamaki, Tsutomu Kanno, Hiroki Sato
  • Publication number: 20220059746
    Abstract: The present disclosure provides a thermoelectric conversion material having a composition represented by a chemical formula of Ba1-a-b-cSrbCacKaMg2Bi2-dSbd. In the chemical formula, the following relationships are satisfied: 0.002?a?0.1, 0?b, 0?c, a+b+c?1, and 0?d?2. In addition, the thermoelectric conversion material has a La2O3-type crystal structure.
    Type: Application
    Filed: November 2, 2021
    Publication date: February 24, 2022
    Inventors: HIROMASA TAMAKI, HIROKI SATO, TSUTOMU KANNO
  • Publication number: 20220052245
    Abstract: The present disclosure provides a thermoelectric conversion material having a composition represented by a chemical formula of Li2?a+bMg1?bSi. In this thermoelectric conversion material, either requirement (i) in which 0?a?0.0001 and 0.0001?b?0.25-a or requirement (ii) in which 0.0001?a?0.25 and 0?b?0.25-a is satisfied. The thermoelectric conversion material has an Li8Al3Si5 type crystalline structure.
    Type: Application
    Filed: October 27, 2021
    Publication date: February 17, 2022
    Inventors: HIROMASA TAMAKI, YURIKO KANEKO, HIROKI SATO, TSUTOMU KANNO, HYUNJEONG NAM
  • Publication number: 20210320239
    Abstract: A thermoelectric conversion material is a polycrystalline material composed of a plurality of crystal grains and has a composition represented by formula (I): Mg3+mSbaBi2?a?cAc. In the formula (I), A is at least one element selected from the group consisting of Se and Te, the value of m is greater than or equal to 0.01 and less than or equal to 0.5, the value of a is greater than or equal to 0 and less than or equal to 1.0, and the value of c is greater than or equal to 0.001 and less than or equal to 0.06. The thermoelectric conversion material has an Mg-rich region.
    Type: Application
    Filed: June 22, 2021
    Publication date: October 14, 2021
    Inventors: YURIKO KANEKO, HIROMASA TAMAKI, TSUTOMU KANNO, REIKO HAGAWA, HIROKI SATO, HYUNJEONG NAM
  • Patent number: 11063313
    Abstract: The invention provides a packaging material that has high formability and that does not undergo a decrease in the adhesion strength between layers and appearance defects such as lifting between layers even after thermal fusion between portions of the sealant layer performed for sealing battery elements and furthermore after a long-term durability test under high temperature and high humidity. The adhesive for the packaging material including, as essential components, a polyol composition (A) and a polyisocyanate composition (B), wherein the polyol composition (A) includes a polyester polyol made from, as essential materials, a polybasic acid or its derivative and a polyhydric alcohol, the polybasic acid or its derivative material is all an aromatic-ring-containing polybasic acid or its derivative, and the polyester polyol has a number-average molecular weight in a range of 3000 to 100000; a battery packaging material, a battery container, and a battery that use the adhesive.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: July 13, 2021
    Assignee: DIC CORPORATION
    Inventors: Seiji Mizuta, Hiroki Kobayashi, Takatoshi Matsuo, Hidemi Nakamura, Takashi Mihara, Tsutomu Kanno, Akio Umino, Hideaki Takei, Tatsuya Kouyama
  • Publication number: 20210104654
    Abstract: A thermoelectric conversion material has a composition represented by the chemical formula Li3-aBi1-bSib, in which the range of values a and bis: 0?a?0.0001, and ?a+0.0003?b?0.023; 0.0001?a<0.0003, and ?a+0.0003?b?exp[?0.046×(In(a))2?1.03×In(a)?9.51]; or 0.0003?a?0.085, and 0<b?exp[?0.046×(In(a))2?1.03×In(a)?9.51], and in which the thermoelectric conversion material has a BiF3-type crystal structure and has a p-type polarity.
    Type: Application
    Filed: December 10, 2020
    Publication date: April 8, 2021
    Inventors: HIROMASA TAMAKI, TSUTOMU KANNO, HIROKI SATO