Patents by Inventor Tomohiro Harada
Tomohiro Harada 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: 11937510Abstract: A piezoelectric ceramic containing no lead as a constituent element is provided. Coefficient of variation C.V. of grain size of grains contained in the piezoelectric ceramic is 35% or less, and an image quality (IQ) image obtained by analyzing a cross section of the piezoelectric ceramic by an electron backscatter diffraction (EBSD) method shows that at least one of the grains has a grain size of 3 ?m to 5 ?m and an area ratio of a domain in said at least one of the grains is 85% or more.Type: GrantFiled: September 29, 2020Date of Patent: March 19, 2024Assignee: TAIYO YUDEN CO., LTD.Inventors: Tomohiro Harada, Yuuhei Ueyama
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Patent number: 11913110Abstract: The present invention relates to a raw material of an organoruthenium compound for producing a ruthenium thin film or a ruthenium compound thin film by a chemical deposition method. This organoruthenium compound is an organoruthenium compound represented by the following Formula 1 and including a trimethylenemethane-based ligand (L1) and three carbonyl ligands coordinated to divalent ruthenium. In Formula 1, the trimethylenemethane-based ligand L1 is represented by the following Formula 2: wherein a substituent R of the ligand L1 is hydrogen, or any one of an alkyl group, a cyclic alkyl group, an alkenyl group, an alkynyl group, and an amino group having a predetermined number of carbon atoms.Type: GrantFiled: January 28, 2021Date of Patent: February 27, 2024Assignee: TANAKA KIKINZOKU KOGYO K.K.Inventors: Ryosuke Harada, Tomohiro Tsugawa, Shigeyuki Ootake, Teruhisa Iwai, Seung-Joon Lee
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Publication number: 20240006651Abstract: This non-aqueous electrolyte secondary battery, which is one example of an embodiment, comprises: a positive electrode that has a positive electrode mixture layer; a negative electrode; a separator that is interposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte. The positive electrode mixture layer contains a first lithium-and-transition-metal composite oxide represented by general formula LixNi1?y?zCoyMzO2 (in the formula, 0.8?x?1.2, 0?y?0.2, 0<z?0.5, and M is at least one metal element excluding Li, Ni, and Co), and a second lithium-and-transition-metal composite oxide represented by general formula LiaNi2?a?bMebO2 (in the formula, 0<a?0.5, 0?b?0.5, and Me is at least one metal element excluding Li and Ni). The separator has: a base material; and a surface layer that includes inorganic particles and a binder, and is formed on the surface of the base material facing toward the positive electrode.Type: ApplicationFiled: November 30, 2021Publication date: January 4, 2024Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Noriko Fukamichi, Tomohiro Harada, Takeshi Ogasawara, Daizo Jito
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Publication number: 20240006604Abstract: A positive electrode active material for nonaqueous electrolyte secondary batteries according to one embodiment of the present invention contains: a first lithium transition metal composite oxide that is represented by general formula LixNi1-y-zCoyMzO2 (wherein 0.8?x?1.2, 0?y?0.2, 0<z?0.5, and M represents at least one metal element excluding Li, Ni and Co); and a second lithium transition metal composite oxide that has at least one diffraction peak which has a peak top at a diffraction angle (2?) of from 21.40° to 21.65° in radiation X-ray diffraction (with a light energy of 16 keV).Type: ApplicationFiled: November 4, 2021Publication date: January 4, 2024Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Daizo JITO, Tomohiro HARADA, Noriko FUKAMICHI, Takeshi OGASAWARA
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Publication number: 20240006603Abstract: The positive electrode mixture layer of this nonaqueous electrolyte secondary battery positive electrode, which is one exemplary embodiment, contains a first lithium-transition-metal composite oxide represented by general formula LixNi1?y?zCoyMzO2 (in the formula. 0.8?x?1.2, 0?y?0.2, 0<z?0.5, and M is at least one metal element excluding Li, Ni, and Co), a second lithium-transition-metal composite oxide represented by general formula LiaNi2?a?bMebO2 (in the formula, 0<a?0.5, 0?b?0.5, and Me is at least one metal element excluding Li and Ni), and a carbon nanotube.Type: ApplicationFiled: November 30, 2021Publication date: January 4, 2024Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tomohiro Harada, Noriko Fukamichi, Takeshi Ogasawara, Daizo Jito
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Publication number: 20230411694Abstract: This non-aqueous electrolyte secondary battery, which is one example of an embodiment, comprises: a positive electrode that has a positive electrode mixture layer; a negative electrode; and a non-aqueous electrolyte. The positive electrode mixture layer contains a first lithium-and-transition-metal composite oxide represented by general formula LixNi1-y-zCoyMzO2 (in the formula, 0.8?x?1.2, 0?y?0.2, 0<z?0.5, and M is at least one metal element excluding Li, Ni, and Co), and a second lithium-and-transition-metal composite oxide represented by general formula LiaNi2-a-bMebO2 (in the formula, 0<a?0.5, 0?b?0.5, and Me is at least one metal element excluding Li and Ni). The non-aqueous electrolyte contains a sulfonyl imide salt.Type: ApplicationFiled: November 30, 2021Publication date: December 21, 2023Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Noriko Fukamichi, Tomohiro Harada, Takeshi Ogasawara, Daizo Jito
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Publication number: 20230395785Abstract: A positive electrode active material for a non-aqueous electrolyte secondary battery according to one exemplary embodiment comprises: a first lithium transition metal composite oxide represented by general formula LiaNibM11-bO2 (in the formula, 1.5?a?2.5, 0.95?b?1.00, and M1 is at least one metal element excluding Li and Ni); and a second lithium transition metal composite oxide represented by general formula LicNi2-c-dM2dO2 (in the formula, 0<c?0.5, 0?d?0.5, and M2 is at least one metal element excluding Li and Ni).Type: ApplicationFiled: December 15, 2021Publication date: December 7, 2023Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Daizo Jito, Tomohiro Harada, Noriko Fukamichi, Takeshi Ogasawara
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Publication number: 20230369561Abstract: Disclosed is a positive electrode for a non-aqueous electrolyte secondary battery including: a positive electrode current collector sheet; and a positive electrode material mixture layer supported on the positive electrode current collector sheet. The positive electrode material mixture layer contains a positive electrode active material, a binder, and a conductive agent. The positive electrode active material contains a composite oxide that has a layered rock-salt type crystal structure and contains lithium and an element A other than lithium. The element A contains at least nickel. The atomic ratio Ni/A of nickel relative to the element A is 0.8 or more and 1.0 or less. The binder contains a polymer binder that has a three-dimensioned mesh structure. The mass of the positive electrode material mixture layer supported per m2 of the positive electrode current collector sheet is 280 g or more.Type: ApplicationFiled: September 14, 2021Publication date: November 16, 2023Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Tomohiro Harada, Rina Yamamoto
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Publication number: 20230335711Abstract: A positive electrode active material according to the present invention contains first and second lithium-transition metal complex oxides at respective predetermined proportions. The first lithium-transition metal complex oxide includes a core containing at least Li, Ni, and M1 (M1 is at least one element selected from the group consisting of Mn, W, Mg, Mo, Nb, Ti, Si, and Al), and a surface modification layer that is present at least on the surface of the core. The surface modification layer includes M2 (M2 is at least one element selected from the group consisting of Sr, Ca, W, Mg, Nb, and Al). The second lithium-transition metal complex oxide includes at least a compound represented by general formula LiaNibM31-bO2 (in the formula. 1.5?a?2.5 and 0.95?b?1 are satisfied, and M3 is at least one element selected from the group consisting of Cu, Sr, Ca, Nb, Si, and Al).Type: ApplicationFiled: August 18, 2021Publication date: October 19, 2023Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Daizo Jito, Tomohiro Harada, Noriko Fukamichi, Takeshi Ogasawara
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Publication number: 20230277546Abstract: A suppression of postsurgical recurrence and/or metastasis of cancer by administering a beta-blocker to a cancer patient during a perioperative period of cancer surgery is disclosed. Accordingly, the disclosure provides an agent for suppressing recurrence and/or metastasis of cancer, containing a beta-blocker and being administered during a perioperative period of cancer surgery.Type: ApplicationFiled: December 30, 2022Publication date: September 7, 2023Applicants: ONO PHARMACEUTICAL CO., LTD., NIPPON MEDICAL SCHOOL FOUNDATIONInventors: Atsuhiro SAKAMOTO, Tatsuaki OKAMURA, Tomohiro HARADA
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Patent number: 11744156Abstract: A multilayer piezoelectric element includes a ceramic body formed by a piezoelectric ceramic, and having first and second end face facing a longitudinal direction, first and second principal faces facing a thickness direction perpendicular to the longitudinal direction. A pair of external electrodes cover the first and second end faces, extend from the first and second end faces onto the first principal face via ridge parts connecting the end faces with the principal faces, and project in the thickness direction on the first principal face. Multiple internal electrodes are stacked inside the ceramic body and are connected alternately to the pair of external electrodes along the thickness direction. A surface electrode is provided on at least one of the first and second principal faces, and connected to the external electrode different from the one to which the internal electrode adjacent in the thickness direction is connected.Type: GrantFiled: July 30, 2018Date of Patent: August 29, 2023Assignee: TAIYO YUDEN CO., LTD.Inventors: Hiroshi Hamada, Hiroyuki Shimizu, Sumiaki Kishimoto, Yukihiro Matsui, Shigeo Ishii, Tomohiro Harada, Yukihiro Konishi
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Patent number: 11703219Abstract: The gas swirling state determination system (10) determines the quality of the swirling state of gas that swirls around the central axis. The gas swirling state determination system (10) includes an imaging device (39), an information processing device (11), and a display device (42). The imaging device (39) captures swirling gas from a direction along the central axis to acquire a still image. The information processing device (11) includes a calculation unit (40), a smoothing unit (41), and a determination unit (43). The display device (42) displays a determination result.Type: GrantFiled: May 21, 2019Date of Patent: July 18, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES ENVIRONMENTAL & CHEMICAL ENGINEERING CO., LTD.Inventors: Tomohiro Harada, Hiroshi Oonuki, Keiichi Hayashi
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Patent number: 11631801Abstract: A multilayer piezoelectric ceramic is constituted by: piezoelectric ceramic layers which do not contain lead as a constituent element, have a perovskite compound expressed by the composition formula LixNayK1?x?yNbO3 (where 0.02<x?0.1, 0.02<x+y?1) as the primary component, and contain 0.2 to 3.0 mol of Li relative to 100 mol of the primary component; and internal electrode layers which are constituted by a metal that contains silver by 80 percent by mass or more; wherein the multilayer piezoelectric ceramic is such that Li compounds other than the primary component are localized therein. The multilayer piezoelectric element can offer excellent insulating property.Type: GrantFiled: March 27, 2020Date of Patent: April 18, 2023Assignee: TAIYO YUDEN CO., LTD.Inventors: Tomohiro Harada, Takayuki Goto, Ryo Ito, Hiroyuki Shimizu, Sumiaki Kishimoto
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Patent number: 11616228Abstract: The non-aqueous electrolyte secondary cell according to the present invention comprises: an electrode body constituted by a positive electrode including a positive electrode active material comprising a lithium-containing transition metal oxide, a negative electrode including a negative electrode current collector onto which metallic lithium is deposited during charging, and a separator disposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte. The molar ratio of the total lithium content of the positive electrode and the negative electrode to the transition metal content of the positive electrode is 1.1 or less. During discharging, the positive electrode capacitance ?(mAh) of the positive electrode and the volume X (mm3) of a hollow constituted by a space formed in the center of the electrode body 14 satisfy the relationship 0.5?X/??4.0.Type: GrantFiled: October 10, 2018Date of Patent: March 28, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tomohiro Harada, Hiroshi Minami
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Patent number: 11581482Abstract: A piezoelectric ceramic, which does not contain lead as a constituent element, is characterized in that: its primary component is a perovskite compound expressed by the composition formula (Bi0.5?x/2Na0.5?x/2Bax)(Ti1?yMny)O3 (where 0.01?x?0.25, 0.001?y?0.020); and the coefficient of variation (CV) in grain size among the grains contained therein is 35 percent or lower. The piezoelectric ceramic presents an improved dielectric loss tangent tan ?.Type: GrantFiled: February 25, 2020Date of Patent: February 14, 2023Assignee: TAIYO YUDEN CO., LTD.Inventors: Yuuhei Ueyama, Tomohiro Harada, Hiroyuki Shimizu, Sumiaki Kishimoto, Yukihiro Konishi
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Patent number: 11508987Abstract: The nonaqueous electrolyte secondary battery comprises the following: a positive electrode including a positive electrode active material that includes a lithium-containing transition metal oxide, a negative electrode including a negative electrode current collector wherein lithium metal deposits on the negative electrode current collector during charging, a separator disposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte. The molar ratio of the total amount of lithium held by the positive electrode and the negative electrode to the amount of transition metal in the positive electrode is not more than 1.1. In addition, in the discharged state, a space layer is present between the negative electrode and the separator, and the positive electrode capacity per unit area, ? (mAh/cm2), of the positive electrode and the average in thickness, X (?m), of the space layer 50 satisfy 0.05??/X?0.2.Type: GrantFiled: October 10, 2018Date of Patent: November 22, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tomohiro Harada, Hiroshi Minami
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Publication number: 20220352513Abstract: A positive electrode for a nonaqueous electrolyte secondary battery includes a positive electrode mixture layer, wherein the positive electrode mixture layer includes a positive electrode active material, a first binder, and a second binder; the positive electrode active material includes a composite oxide represented by the following formula (1): LiaNixCoyMe(1-x-y)O2 (1), where 0.97?a?1.2, 0.5?x?1, and 0?y?0.1; the element Me is at least one selected from the group consisting of Al, Mn, B, W, Sr, Mg, Mo, Nb, Ti, Si, and Zr; the first binder is a polymeric binder comprising at least a vinylidene fluoride unit; the second binder is a polymeric binder comprising at least a diene unit; and a ratio of the second binder to a total amount of the first binder and the second binder is 5 mass % or more and 35 mass % or less.Type: ApplicationFiled: September 3, 2020Publication date: November 3, 2022Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tomohiro Harada, Rina Yamamoto
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Patent number: 11437560Abstract: In an embodiment, a multilayer piezoelectric element includes a multilayer piezoelectric body and multiple internal electrodes. The multilayer piezoelectric body has a pair of principal faces in a first-axis direction, a pair of end faces in a second-axis direction crossing at right angles with the first-axis direction and defining the longitudinal direction, and a pair of side faces in a third-axis direction crossing at right angles with the first-axis direction and second-axis direction. The multiple internal electrodes are placed inside the multilayer piezoelectric body and stacked in the first-axis direction. Among the multiple internal electrodes, a center internal electrode placed at the center part of the multilayer piezoelectric body is such that its first cross-sectional shape, as viewed from the third-axis direction, has undulations greater than the undulations of the second cross-sectional shape of the center internal electrode as viewed from the second-axis direction.Type: GrantFiled: June 18, 2018Date of Patent: September 6, 2022Assignee: TAIYO YUDEN CO., LTD.Inventors: Sumiaki Kishimoto, Hiroyuki Shimizu, Tomohiro Harada, Yukihiro Konishi
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Patent number: 11430940Abstract: A multilayer piezoelectric element includes a ceramic base body, a pair of external electrodes, multiple internal electrodes, and surface electrodes. The pair of external electrodes cover a pair of end faces and extend from the pair of end faces along a pair of principal faces and a pair of side faces. The multiple internal electrodes are stacked inside the ceramic base body along the thickness direction, and are connected alternately to one or the other of the pair of external electrodes along the thickness direction. The surface electrodes extend from the pair of external electrodes along the pair of principal faces, and are each divided in the longitudinal direction at a position near, of the pair of external electrodes, the external electrode to which the internal electrode adjacent to the principal face is connected.Type: GrantFiled: July 12, 2018Date of Patent: August 30, 2022Assignee: TAIYO YUDEN CO., LTD.Inventors: Sumiaki Kishimoto, Hiroshi Hamada, Hiroyuki Shimizu, Yukihiro Matsui, Tomohiro Harada, Yukihiro Konishi
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Patent number: 11393972Abstract: A multi-layer piezoelectric ceramic component includes: a piezoelectric ceramic body having a cuboid shape, having upper and lower surfaces facing in a thickness direction, first and second end surfaces facing in a length direction, and a pair of side surfaces facing in a width direction, and including first and second regions; first internal electrodes in the first region; second internal electrodes in the second region; third internal electrodes in the first and second regions; a first terminal electrode formed on the first end surface and electrically connected to the first internal electrodes; a second terminal electrode formed on the first end surface and electrically connected to the second internal electrodes; a third terminal electrode formed on the second end surface and electrically connected to the third internal electrodes; a first surface electrode formed on the upper surface; and a second surface electrode formed on the lower surface.Type: GrantFiled: January 25, 2019Date of Patent: July 19, 2022Assignee: TAIYO YUDEN CO., LTDInventors: Tomohiro Harada, Takayuki Goto, Hiroyuki Shimizu, Sumiaki Kishimoto