Patents by Inventor Futoshi Utsuno
Futoshi Utsuno 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).
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Patent number: 11387486Abstract: A sulfide solid electrolyte comprising lithium, phosphorus and sulfur, wherein the sulfide solid electrolyte has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 29.7±0.5 deg in powder X-ray diffraction using CuK? rays, an area ratio of a peak derived from PS43? glass to the total area of peaks derived from glass observed in solid 31P-NMR measurement is 90% or more and 100% or less, and an area ratio of peaks derived from glass to the total area of all peaks at 60 to 120 ppm observed in solid 31P-NMR measurement is 1% or more and 45% or less.Type: GrantFiled: August 6, 2018Date of Patent: July 12, 2022Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Futoshi Utsuno, Toshiaki Tsuno, Kota Terai, Atsushi Sato
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Patent number: 11355780Abstract: A sulfide solid electrolyte particles comprising lithium, phosphorus and sulfur, having a volume-based average particle size measured by laser diffraction particle size distribution measurement of 0.1 ?m to 10 ?m, having a diffraction peak having 2? of 29.0 to 31.0 deg in powder X-ray diffraction measurement using CuK? ray, and an intensity ratio (Ib/Ip) of a peak intensity Ib at a high angle-side low part of the diffraction peak to a peak intensity Ip of the diffraction peak is less than 0.09.Type: GrantFiled: March 8, 2018Date of Patent: June 7, 2022Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Futoshi Utsuno, Toshiaki Tsuno, Kota Terai, Hironari Kimpara, Atsushi Sato
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Publication number: 20220158230Abstract: A sulfide solid electrolyte may include lithium, phosphorus and sulfur, and the sulfide solid electrolyte may have a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 29.7±0.5 deg in powder X-ray diffraction using CuK? rays, and a crystallite diameter in a range of from 5 to 20 nm.Type: ApplicationFiled: February 2, 2022Publication date: May 19, 2022Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Kota TERAI, Atsushi SATO, Futoshi UTSUNO
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Publication number: 20220131185Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuK? rays, it has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 2?=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2<c+d<1.9??(1) 0.845<SA/SB<1.200??(A) where SA is an area of the diffraction peak A and SB is an area of the diffraction peak B.Type: ApplicationFiled: January 10, 2022Publication date: April 28, 2022Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Futoshi UTSUNO, Kota TERAI, Takashi UMEKI, Masaru NAKAGAWA, Hiroshi YAMAGUCHI
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Patent number: 11276881Abstract: It is an object of the invention to provide sulfide solid electrolytes having good processability at the time of manufacturing a battery and high ionic conductivity. The present invention relates to a sulfide solid electrolyte containing lithium, phosphorus and sulfur, having a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 29.7±0.5 deg in powder X-ray diffraction using CuK? rays, and the half-value width of at least one peak obtained by separating the peaks observed in a range of 60 to 120 ppm in solid-state 31P-NMR measurements is 500 to 800 Hz.Type: GrantFiled: May 23, 2018Date of Patent: March 15, 2022Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Kota Terai, Atsushi Sato, Futoshi Utsuno
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Patent number: 11271246Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuK? rays, it has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peek B at 2?=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2<c+d<1.9??(1) 0.845<SA/SB<1.200??(A) where SA is an area of the diffraction peak A and SB is an area of the diffraction peak B.Type: GrantFiled: November 20, 2020Date of Patent: March 8, 2022Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Futoshi Utsuno, Kota Terai, Takashi Umeki, Masaru Nakagawa, Hiroshi Yamaguchi
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Patent number: 11264642Abstract: A sulfide solid electrolyte containing lithium, phosphorus, sulfur; and one or more of elements X selected from the group consisting of halogen elements and chalcogen elements excluding sulfur, wherein the sulfide solid electrolyte includes an argyrodite-type crystal structure, and wherein a molar ratio of the lithium to the phosphorus, a (Li/P), a molar ratio of the sulfur to the phosphorus, b (S/P), and a molar ratio of the element X to the phosphorus, c (X/P), satisfy formulas (1) to (3): 5.0?a?7.1 (1) 1.0<a?b?1.5 (2) 6.5?a+c<7.1 (3) wherein b>0 and c>0 are satisfied.Type: GrantFiled: August 8, 2017Date of Patent: March 1, 2022Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Futoshi Utsuno, Kota Terai
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Publication number: 20210355033Abstract: An oxide sintered body is characterized in that it comprises an oxide including an In element, a Zn element, a Sn element and a Y element and that a sintered body density is equal to or more than 100.00% of a theoretical density.Type: ApplicationFiled: June 25, 2021Publication date: November 18, 2021Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Kazuyoshi INOUE, Futoshi UTSUNO, Shigekazu TOMAI, Masatoshi SHIBATA, Mami ITOSE
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Patent number: 11078120Abstract: An oxide sintered body is characterized in that it comprises an oxide including an In element, a Zn element, a Sn element and a Y element and that a sintered body density is equal to or more than 100.00% of a theoretical density.Type: GrantFiled: April 26, 2017Date of Patent: August 3, 2021Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Kazuyoshi Inoue, Futoshi Utsuno, Shigekazu Tomai, Masatoshi Shibata, Mami Itose
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Publication number: 20210075057Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuK? rays, it has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peek B at 2?=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2<c+d<1.9??(1) 0.845<SA/SB<1.200??(A) where SA is an area of the diffraction peak A and SB is an area of the diffraction peak B.Type: ApplicationFiled: November 20, 2020Publication date: March 11, 2021Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Futoshi UTSUNO, Kota TERAI, Takashi UMEKI, Masaru NAKAGAWA, Hiroshi YAMAGUCHI
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Publication number: 20210005924Abstract: A method for producing a sulfide solid electrolyte having an argyrodite-type crystal structure may involve: mixing a raw material containing elemental phosphorus at an integrated power of 0.5 kWh/kg or more, and heat-treating a precursor obtained in the mixing at 350 to 500° C.Type: ApplicationFiled: March 1, 2019Publication date: January 7, 2021Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Takayoshi KAMBARA, Minoru SENGA, Katsuhito KONDO, Naoya MASUDA, Hironari KIMPARA, Futoshi UTSUNO, Hiroyuki TAMURA
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Patent number: 10879561Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuK? rays, it has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 2?=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2<c+d<1.9??(1) 0.845<SA/SB<1.200??(A) where SA is an area of the diffraction peak A and SB is an area of the diffraction peak B.Type: GrantFiled: June 20, 2019Date of Patent: December 29, 2020Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Futoshi Utsuno, Kota Terai, Takashi Umeki, Masaru Nakagawa, Hiroshi Yamaguchi
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Patent number: 10818966Abstract: Aimed at providing a sulfide solid electrolyte comprising an argyrodite type crystal structure, having a high ionic conductivity due to presence of a large amount of a halogen element and is capable of suppressing agglomeration at the time of production. Provided is a sulfide solid electrolyte comprising lithium, phosphorus, sulfur and one or more elements X selected from halogen elements, wherein the sulfide solid electrolyte comprises an argyrodite type crystal structure, and wherein a molar ratio of the lithium to the phosphorus “a (Li/P)”, a molar ratio of the sulfur to the phosphorus “b (S/P)” and a molar ratio of the element X to the phosphorus “c (X/P)” satisfy the following formulas (1) to (3): 5.0?a<7.3??(1) 0.70?a?b<1.0??(2) 7.0<a+c?7.3??(3) provided that b>0 and c>0.Type: GrantFiled: August 9, 2017Date of Patent: October 27, 2020Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Futoshi Utsuno, Kota Terai
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Publication number: 20200325072Abstract: An oxide sintered body is characterized in that it comprises an oxide including an In element, a Zn element, a Sn element and a Y element and that a sintered body density is equal to or more than 100.00% of a theoretical density.Type: ApplicationFiled: April 26, 2017Publication date: October 15, 2020Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Kazuyoshi INOUE, Futoshi UTSUNO, Shigekazu TOMAI, Masatoshi SHIBATA, Mami ITOSE
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Publication number: 20200220207Abstract: A sulfide solid electmlyte containing the following (A) and (B): (A) a sulfide solid electrolyte having an argyrodite-type crystal structure; and (B) a sulfide solid electrolyte having a crystal structure different from the argyrodite-type crystal structure of the above-mentioned (A).Type: ApplicationFiled: June 18, 2018Publication date: July 9, 2020Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Atsushi SATO, Kota TERAI, Futoshi UTSUNO
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Publication number: 20200220208Abstract: A sulfide solid electrolyte comprising lithium, phosphorus and sulfur, wherein the sulfide solid electrolyte has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 29.7±0.5 deg in powder X-ray diffraction using CuK? rays, an area ratio of a peak derived from PS43? glass to the total area of peaks derived from glass observed in solid 31P-NMR measurement is 90% or more and 100% or less, and an area ratio of peaks derived from glass to the total area of all peaks at 60 to 120 ppm observed in solid 31P-NMR measurement is 1% or more and 45% or less.Type: ApplicationFiled: August 6, 2018Publication date: July 9, 2020Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Futoshi UTSUNO, Toshiaki TSUNO, Kota TERAI, Atsushi SATO
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Patent number: 10636914Abstract: A crystalline oxide semiconductor thin film that is composed mainly of indium oxide and comprises surface crystal grains having a single crystal orientation.Type: GrantFiled: July 29, 2016Date of Patent: April 28, 2020Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Kazuyoshi Inoue, Futoshi Utsuno, Yuki Tsuruma, Shigekazu Tomai, Kazuaki Ebata
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Publication number: 20200091552Abstract: It is an object of the invention to provide sulfide solid electrolytes having good processability at the time of manufacturing a battery and high ionic conductivity. The present invention relates to a sulfide solid electrolyte containing lithium, phosphorus and sulfur, having a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 29.7±0.5 deg in powder X-ray diffraction using CuK? rays, and the half-value width of at least one peak obtained by separating the peaks observed in a range of 60 to 120 ppm in solid-state 31P-NMR measurements is 500 to 800 Hz.Type: ApplicationFiled: May 23, 2018Publication date: March 19, 2020Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Kota TERAI, Atsushi SATO, Futoshi UTSUNO
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Publication number: 20200006808Abstract: A sulfide solid electrolyte particles comprising lithium, phosphorus and sulfur, having a volume-based average particle size measured by laser diffraction particle size distribution measurement of 0.1 ?m or more and 10 ?m or less, having a diffraction peak having 2? ranging from 29.0 to 31.0 deg in powder X-ray diffraction measurement using CuK? ray, and an intensity ratio (Ib/Ip) of a peak intensity Ip of the diffraction peak to a diffraction intensity Ib at a high angle-side low part of the diffraction peak is less than 0.09.Type: ApplicationFiled: March 8, 2018Publication date: January 2, 2020Applicant: IDEMITSU KOSAN CO.,LTD.Inventors: Futoshi UTSUNO, Toshiaki TSUNO, Kota TERAI, Hironari KIMPARA, Atsushi SATO
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Patent number: 10483587Abstract: A sulfide solid electrolyte containing lithium, phosphorus, sulfur, and two or more of elements X selected from halogen elements, where the sulfide solid electrolyte includes an argyrodite-type crystal structure, and a molar ratio of the sulfur to the phosphorus “b (S/P)” and a molar ratio of the element X to the phosphorus “c (X/P)” satisfy the following formula (1): 0.23<c/b<0.57??(1).Type: GrantFiled: January 3, 2019Date of Patent: November 19, 2019Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Kota Terai, Futoshi Utsuno, Takashi Umeki, Masaru Nakagawa, Hiroshi Yamaguchi