Patents by Inventor Yasuo Takeda
Yasuo Takeda 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: 9917304Abstract: A protected anode including: an anode including lithium or capable of reversibly incorporating lithium ions; and a lithium ion-conductive protective layer on the anode and including a ceramic composite represented by Formula 1: Li1+aAlbGe2?cMdP3+eO12+f??Formula 1 wherein M is at least one element selected from titanium (Ti), zirconium (Zr), and germanium (Ge), 0?a?1, 0?b?1, 0?c?1, 0?d?0.5, 0?e?0.1, and 0?f?1.Type: GrantFiled: December 15, 2013Date of Patent: March 13, 2018Assignees: SAMSUNG ELECTRONICS CO., LTD., NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITYInventors: Dong-joon Lee, Dong-min Im, Victor Roev, Sang-bok Ma, Min-sik Park, Osamu Yamamoto, Nobuyuki Imanishi, Won-sung Choi, Yasuo Takeda
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Patent number: 9680191Abstract: A lithium air battery including an electrolyte including lithium ion conductive polymers and lithium salts between a positive electrode and a lithium ion conductive solid electrolyte membrane. The lithium ion conductive polymers are hydrophilic matrix polymers.Type: GrantFiled: September 14, 2012Date of Patent: June 13, 2017Assignees: SAMSUNG ELECTRONICS CO., LTD, NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITYInventors: Dong-joon Lee, Victor Roev, Young-gyoon Ryu, Dong-min Im, Min-sik Park, Sang-bok Ma, Osamu Yamamoto, Nobuyuki Imanishi, Yasuo Takeda
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Patent number: 9312583Abstract: A protected anode for lithium air batteries and a lithium air battery including the protected anode are provided. The protected anode includes: an anode intercalates and deintercalates lithium ions; a lithium ion-conductive solid electrolyte membrane; and a polymer electrolyte disposed between the anode and the ion-conductive solid electrolyte membrane, wherein the polymer electrolyte includes a lithium ion-conductive polymer, a compound represented by Formula 1 having a number average molecular weight from about 300 to about 1,000, and a lithium salt, and an amount of the compound of Formula 1 is from about 10 parts to about 25 parts by weight based on 100 parts by weight of the polymer electrolyte: In Formula 1, R1 to R6, and n are the same as defined in the specification.Type: GrantFiled: April 25, 2013Date of Patent: April 12, 2016Assignees: SAMSUNG ELECTRONICS CO., LTD., NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITYInventors: Dong-joon Lee, Dong-min Im, Victor Roev, Sang-bok Ma, Min-sik Park, Osamu Yamamoto, Nobuyuki Imanishi, Won-sung Choi, Yasuo Takeda
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Patent number: 9225046Abstract: A protected anode including an anode including a lithium titanium oxide; and a protective layer including a compound represented by Formula 1 below, a lithium air battery including the same, and an all-solid battery including the protected anode: Li1+XMXA2?XSiYP3?YO12??<Formula 1> wherein M may be at least one of aluminum (Al), iron (Fe), indium (In), scandium (Sc), or chromium (Cr), A may be at least one of germanium (Ge), tin (Sn), hafnium (Hf), and zirconium (Zr), 0?X?1, and 0?Y?1.Type: GrantFiled: September 28, 2012Date of Patent: December 29, 2015Assignees: SAMSUNG ELECTRONICS CO., LTD., NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITYInventors: Dong-joon Lee, Osamu Yamamoto, Nobuyuki Imanishi, Dong-min Im, Yasuo Takeda
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Patent number: 9178254Abstract: A lithium air battery including: a negative electrode including lithium; a positive electrode using oxygen as a positive active material; and an organic electrolyte, wherein the organic electrolyte includes a metal-ligand complex.Type: GrantFiled: December 6, 2011Date of Patent: November 3, 2015Assignees: SAMSUNG ELECTRONICS CO., LTD., NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITYInventors: Dong-joon Lee, Victor Roev, Young-gyoon Ryu, Dong-min Im, Yasuo Takeda, Osamu Yamamoto, Nobuyuki Imanishi
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Patent number: 9039789Abstract: The whole of a conductive material layer is formed on a bonding surface of an outer film having flexibility and barrier properties to prepare a composite body in which the conductive material layer is integrated with the outer film. A current collector is located within an application region, and at least a part of an electrode terminal is located outside the application region. A positive electrode active material precursor layer, an electrolyte precursor layer, and a negative electrode active material precursor layer are added to the composite body with plane positions thereof aligned with that of the current collector. These precursor layers are subjected to a crosslinking process. The application regions are applied, and the outer films are bonded, to seal a cell. The crosslinking process may be omitted.Type: GrantFiled: December 7, 2011Date of Patent: May 26, 2015Assignee: Mie Industry and Enterprise Support CenterInventors: Yasuo Takeda, Nobuyuki Imanishi, Takahito Itoh, Takahiro Uno, Akira Itsubo, Eiichi Nomura, Shigemitsu Katoh, Kiyotsugu Okuda
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Publication number: 20140178775Abstract: A protected anode for lithium air batteries and a lithium air battery including the protected anode are provided. The protected anode includes: an anode intercalates and deintercalates lithium ions; a lithium ion-conductive solid electrolyte membrane; and a polymer electrolyte disposed between the anode and the ion-conductive solid electrolyte membrane, wherein the polymer electrolyte includes a lithium ion-conductive polymer, a compound represented by Formula 1 having a number average molecular weight from about 300 to about 1,000, and a lithium salt, and an amount of the compound of Formula 1 is from about 10 parts to about 25 parts by weight based on 100 parts by weight of the polymer electrolyte: In Formula 1, R1 to R6, and n are the same as defined in the specification.Type: ApplicationFiled: April 25, 2013Publication date: June 26, 2014Inventors: Dong-joon LEE, Dong-min IM, Victor ROEV, Sang-bok MA, Min-sik PARK, Osamu YAMAMOTO, Nobuyuki IMANISHI, Won-sung CHOI, Yasuo TAKEDA
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Publication number: 20140178777Abstract: A protected anode including: an anode including lithium or capable of reversibly incorporating lithium ions; and a lithium ion-conductive protective layer on the anode and including a ceramic composite represented by Formula 1: Li1+aAlbGe2?cMdP3+eO12+f??Formula 1 wherein M is at least one element selected from titanium (Ti), zirconium (Zr), and germanium (Ge), 0?a?1, 0?b?1, 0?c?1, 0?d?0.5, 0?e?0.1, and 0?f?1.Type: ApplicationFiled: December 15, 2013Publication date: June 26, 2014Applicant: National University Corporation Mie UniversityInventors: Dong-joon LEE, Dong-min IM, Victor ROEV, Sang-bok MA, Min-sik PARK, Osamu YAMAMOTO, Nobuyuki IMANISHI, Won-sung CHOI, Yasuo TAKEDA
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Publication number: 20130149616Abstract: A protected anode including an anode including a lithium titanium oxide; and a protective layer including a compound represented by Formula 1 below, a lithium air battery including the same, and an all-solid battery including the protected anode: Li1+XMXA2?XSiYP3?YO12??<Formula 1> wherein M may be at least one of aluminum (Al), iron (Fe), indium (In), scandium (Sc), or chromium (Cr), A may be at least one of germanium (Ge), tin (Sn), hafnium (Hf), and zirconium (Zr), 0?X?1, and 0?Y?1.Type: ApplicationFiled: September 28, 2012Publication date: June 13, 2013Applicants: NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITY, SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong-joon LEE, Osamu YAMAMOTO, Nobuyuki IMANISHI, Dong-min IM, Yasuo TAKEDA
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Publication number: 20130108934Abstract: A lithium air battery including an electrolyte including lithium ion conductive polymers and lithium salts between a positive electrode and a lithium ion conductive solid electrolyte membrane. The lithium ion conductive polymers are hydrophilic matrix polymers.Type: ApplicationFiled: September 14, 2012Publication date: May 2, 2013Applicants: National University Corporation Mie University, SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong-joon LEE, Victor ROEV, Young-gyoon RYU, Dong-min IM, Min-sik PARK, Sang-bok MA, Osamu YAMAMOTO, Nobuyuki IMANISHI, Yasuo TAKEDA
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Publication number: 20130000110Abstract: The whole of a conductive material layer is formed on a bonding surface of an outer film having flexibility and barrier properties to prepare a composite body in which the conductive material layer is integrated with the outer film. A current collector is located within an application region, and at least a part of an electrode terminal is located outside the application region. A positive electrode active material precursor layer, an electrolyte precursor layer, and a negative electrode active material precursor layer are added to the composite body with plane positions thereof aligned with that of the current collector. These precursor layers are subjected to a crosslinking process. The application regions are applied, and the outer films are bonded, to seal a cell. The crosslinking process may be omitted.Type: ApplicationFiled: December 7, 2011Publication date: January 3, 2013Applicant: Mie Industry and Enterprise Support CenterInventors: Yasuo Takeda, Nobuyuki Imanishi, Takahito Itoh, Takahiro Uno, Akira Itsubo, Eiichi Nomura, Shigemitsu Katoh, Kiyotsugu Okuda
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Publication number: 20120315547Abstract: This invention relates to a matrix of a solid electrolyte having a microstructure in which a non-reactive polyalkylene glycol is held on a co-crosslinked product produced by chemically co-crosslinking a hyperbranched polymer with a crosslinkable ethylene oxide multicomponent copolymer, such that a lithium salt is dissolved in the matrix. A negative electrode active material layer is a layer obtained by dispersing a negative electrode active material and a conduction aid in a lithium-ion conducting solid electrolyte. A positive electrode active material layer is a layer obtained by dispersing a positive electrode active material and a conduction aid in a lithium-ion conducting solid electrolyte.Type: ApplicationFiled: February 9, 2011Publication date: December 13, 2012Applicant: MIE UNIVERSITYInventors: Takahito Itoh, Takahiro Uno, Yasuo Takeda, Nobuyuki Imanishi, Akira Itsubo, Eiichi Nomura, Shigemitsu Katoh, Kiyotsugu Okuda
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Publication number: 20120276459Abstract: A negative electrode for a lithium secondary battery that includes an organic-inorganic hybrid protective layer where the lithium ion conductivity of a polymer included in the organic-inorganic hybrid protective layer is about 10?4 S/cm or less, a method of manufacturing the same, and a lithium secondary battery employing the same.Type: ApplicationFiled: March 22, 2012Publication date: November 1, 2012Applicants: National University Corporation Mie University, Samsung Electronics Co., Ltd.Inventors: Dong-min IM, Dong-joon Lee, Yasuo Takeda, Osamu Yamamoto, Nobuyuki Imanishi
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Publication number: 20120141889Abstract: A lithium air battery including: a negative electrode including lithium; a positive electrode using oxygen as a positive active material; and an organic electrolyte, wherein the organic electrolyte includes a metal-ligand complex.Type: ApplicationFiled: December 6, 2011Publication date: June 7, 2012Applicants: National University Corporation Mie, Samsung Electronics Co., Ltd.Inventors: Dong-joon Lee, Victor Roev, Young-gyoon Ryu, Dong-min Im, Yasuo Takeda, Osamu Yamamoto, Nobuyuki Imanishi
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Publication number: 20120088163Abstract: A lithium ion conductor, a method of preparing the same, and a lithium air battery including the lithium ion conductor. The lithium ion conductor includes a phosphorus-based compound having a characteristic peak at a Raman shift of about 720˜770 cm?1 on a Raman spectrum of the phosphorus-based compound.Type: ApplicationFiled: August 2, 2011Publication date: April 12, 2012Applicants: National University Corporation Mie University, Samsung Electronics Co., Ltd.Inventors: Young-gyoon RYU, Woo-sung Jeon, Dong-Joon Lee, Yasuo Takeda, Osamu Yamamoto, Nobuyuki Imanishi
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Publication number: 20120028164Abstract: A lithium air battery including an aqueous electrolyte. In the lithium air battery, a lithium halide is included in the aqueous electrolyte in order to prevent lithium hydroxide and a solid electrolyte from reacting with each other so as to protect the negative electrode, thereby improving electrical characteristics of the lithium air battery.Type: ApplicationFiled: July 27, 2011Publication date: February 2, 2012Applicants: National University Corporation Mie Uinversity, Samsung Electronics Co., Ltd.Inventors: Dong-joon LEE, Osamu YAMAMOTO, Dong-min IM, Yasuo TAKEDA, Nobuyuki IMANISHI
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Patent number: 7625673Abstract: An electrode material for an electrochemical device comprising a composite of a particulate conductive material and a metal oxide is prepared by mixing and dispersing the particulate conductive material with a colloidal solution of an oxide of an element in a range of from Group 3 to Group 12 in the fourth, fifth and sixth periods of the Periodic Table and heating the mixture. This composite has a high capacity even at a high current density and good filling properties, and is useful as an electrode material for an electrochemical device such as a lithium secondary battery or an electrochemical capacitor. When the electrode material comprising this composite is used, an electrode can be produced without any binder, and the electrochemical device having good output characteristics can be constructed.Type: GrantFiled: September 6, 2001Date of Patent: December 1, 2009Assignees: Hitachi Maxell, Ltd., Japan as Represented by the President of the University of TokyoInventors: Tetsuichi Kudo, Masaru Miyayama, Keiji Sakai, Yasuo Takeda, Itaru Honma, Hiroshi Abe
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Patent number: 6566011Abstract: A lithium secondary battery includes a negative electrode active material. The negative electrode active material includes a primary active material and a secondary active material. The primary active material is at least one member selected from the group consisting of carbonaceous materials, Sn, Sn alloys, Sn oxides, Al, Al alloys, Pb, Pb alloys, Si and Si oxides. The secondary active material includes a lithium nitride expressed by a composition formula, Li3−xMxN, in which “M” is at least one element selected from the group consisting of transition metals and “x” is 0<“x”≦0.7. In the lithium secondary battery, the negative electrode retention is relieved efficiently, the capacity is less likely to change suddenly, and the wasting of a positive electrode material is less.Type: GrantFiled: August 1, 2000Date of Patent: May 20, 2003Assignees: Toyota Jidosha Kabushiki Kaisha, Genesis Research Institute, Inc.Inventors: Yasuo Takeda, Yang Jun
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Publication number: 20020172869Abstract: An electrode material for an electrochemical device comprising a composite of a particulate conductive material and a metal oxide is prepared by mixing and dispersing the particulate conductive material with a colloidal solution of an oxide of an element in a range of from Group 3 to Group 12 in the fourth, fifth and sixth periods of the Periodic Table and heating the mixture. This composite has a high capacity even at a high current density and good filling properties, and is useful as an electrode material for an electrochemical device such as a lithium secondary battery or an electrochemical capacitor. When the electrode material comprising this composite is used, an electrode can be produced without any binder, and the electrochemical device having good output characteristics can be constructed.Type: ApplicationFiled: May 3, 2002Publication date: November 21, 2002Inventors: Tetsuichi Kudo, Masaru Miyayama, Keiji Sakai, Yasuo Takeda, Itaru Honma, Hiroshi Abe
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Patent number: 5670458Abstract: An oxide superconductor having a composition of the formula: A.sub.n+1 Cu.sub.n O.sub.2n+1+.delta. in which A is at least one alkaline earth metal element selected from the group consisting of calcium, strontium and barium, n is an integer of at least one, and .delta. is a number larger than 0 and not larger than 1, a laminate structure in which a layer having a partial composition of A.sub.2 O.sub.1+.delta. and a layer having a partial composition of A.sub.n-1 Cu.sub.n O.sub.2n are alternately laminated, and a superconductive critical temperature equal to or higher than the liquid nitrogen temperature.Type: GrantFiled: February 7, 1996Date of Patent: September 23, 1997Assignees: Seisan Kaihatsu Kagaku Kenkyusho, NEC CorporationInventors: Mikio Takano, Zenji Hiroi, Yasuo Takeda, Toshio Takada, deceased, by Komichi Takada, administrator, by Jun Takada, administrator, by Kei Takada, administrator