Patents by Inventor Toshihiro Yoshida
Toshihiro Yoshida 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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Publication number: 20130230788Abstract: A solid oxide fuel cell includes a first cell, a second cell and an interconnector. The first cell and the second cell respectively include an anode containing NiO and CaZrO3, a cathode, and a solid electrolyte layer disposed between the anode and the cathode. The interconnector is connected to the anode of the first cell and the current collector of the second cell. The interconnector contains LaCaCrO3. The molar ratio of Ca to Zr in the anode is greater than 1.0.Type: ApplicationFiled: November 14, 2012Publication date: September 5, 2013Applicant: NGK INSULATORS, LTD.Inventors: Taku OKAMOTO, Hiroshi HAYASHI, Takashi RYU, Toshihiro YOSHIDA, Yuto YAMADA
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Publication number: 20130177835Abstract: By using a composite material that is produced from an acid salt of an oxo acid compound and an azole compound, a proton conductor with good proton conductivity properties under medium temperature, non-humidified conditions may be achieved. The composite material may be produced by mechanical milling of the acid salt of the oxo acid compound and the azole compound using a planetary ball mill The structure of the composite material obtained by the mixing processing may be different from that of a mixture of the acid salt of the oxo acid compound and the azole compound. Therefore, it may be possible to produce the proton conductor that has good proton conductivity properties under medium temperature, non-humidified conditions with a simple method of mechanical mixing.Type: ApplicationFiled: July 22, 2011Publication date: July 11, 2013Applicant: National University Corporation TOYOHASHI UNIVERSITY OF TECHNOLOGYInventors: Song-Yul Oh, Toshihiro Yoshida, Go Kawamura, Atsunori Matsuda, Hiroyuki Muto, Daisuke Uchihori
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Patent number: 8309258Abstract: A solid electrolyte structure containing a porous solid electrolyte is prepared. At least the porous solid electrolyte of the solid electrolyte structure is immersed in a first sol solution containing at least a precursor of an electrode active material as a solute. Then, the first sol solution, in which the porous solid electrolyte is immersed, is heated. A solvent of the first sol solution is evaporated by the heating, whereby a pore of the porous solid electrolyte is filled with a high concentration (a large amount) of the electrode active material precursor.Type: GrantFiled: March 6, 2009Date of Patent: November 13, 2012Assignees: Tokyo Metropolitan University, NGK Insulators, Ltd.Inventors: Kiyoshi Kanamura, Masanori Hara, Atsushi Kaeriyama, Yosuke Sato, Toshihiro Yoshida
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Publication number: 20120231354Abstract: A composite membrane that can be used as an electrolyte membrane of a fuel cell is produced from a resin material that contains at least polybenzimidazole and from a composite material that is produced from of hydrogen sulfate and heteropoly acid. The composite membrane has a basic structure of an aromatic hydrocarbon that does not contain fluorine and has good efficiency, even at a low doping level, so it can be used for the electrolyte membrane of a medium temperature dry fuel cell. Phosphoric acid is doped into the composite membrane. Characteristics of the relationship between output current density and output voltage for an electrolyte membrane that is made from the created composite membrane (a specimen 4) are better than for a specimen 8, in which the amount of phosphoric acid doping is equivalent.Type: ApplicationFiled: May 24, 2012Publication date: September 13, 2012Applicant: NATIONAL UNIVERSITY CORPORATION TOYOHASHI UNIVERSITY OF TECHNOLOGYInventors: Atsunori MATSUDA, Song-Yul OH, Toshihiro Yoshida, Go Kawamura, Junichi Hamagami, Mototsugu Sakai
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Publication number: 20120186950Abstract: An object of the invention is to provide a food and drink conveying device that allows a travel body on which food and drink are placed to stably travel along a curved path of a travel path while maintaining the stability of the food and drink. A travel body (7) is provided with a travel body main unit (26), which is driven and conveyed, and a leading body (27) at the front end of the travel body main unit (26) in the direction in which the travel body (7) travels. The leading body (27) is supported by the travel body main unit (26) so as to be pivotable in a horizontal plane. Contact sections (29) are provided to both sides of the leading body (27) in the widthwise direction relative to the direction in which the travel body (7) travels and aligned on either side in the direction in which the travel body (7) travels. The contact sections (29) provided on the inner side of a curved path portion (10a) are configured to make contact in the curved path (10a) at two locations in a travel path (1a).Type: ApplicationFiled: July 22, 2010Publication date: July 26, 2012Applicant: Ishino Seisakusyo Co., Ltd.Inventors: Haruki Ishino, Shintaro Sasahara, Toshihiro Yoshida
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Patent number: 8197972Abstract: A first paste for a first electrode layer and a second paste for a second electrode layer are printed on a fired solid electrolyte by screen printing, etc. to form electrode patterns for forming the first electrode layer and the second electrode layer. The first and second pastes can be prepared by dissolving a binder in an organic solvent, adding an appropriate amount of the obtained solution to powders of an electrode active substance material and a solid electrolyte material, and kneading the resultant mixture. The first and second pastes are applied to the fired solid electrolyte to form a cell precursor, the cell precursor is placed in a hot press mold subjected to a thermal treatment while pressing from above by a punch, whereby the first and second electrode layer are formed from the first and second pastes.Type: GrantFiled: February 18, 2009Date of Patent: June 12, 2012Assignees: Kyushu University, NGK Insulators, Ltd.Inventors: Shigeto Okada, Eiji Kobayashi, Kazuhiro Yamamoto, Toshihiro Yoshida
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Publication number: 20120141905Abstract: A solid oxide fuel cell is provided that includes an anode current collecting layer, a cathode, an electrolyte layer, and an anode active layer. The anode current collecting layer contains Ni or NiO, and an oxide represented by a general formula AEZrO3 where AE is one or a combination of two or more selected from the group consisting of Ca, Sr, Mg, and Ba. The electrolyte layer is disposed between the anode current collecting layer and the cathode. The anode active layer is disposed between the electrolyte layer and the anode current collecting layer.Type: ApplicationFiled: December 2, 2011Publication date: June 7, 2012Applicant: NGK Insulators, Ltd.Inventors: Taku OKAMOTO, Toshihiro Yoshida, Masaru Nishitoba, Takashi Ryu, Makoto Ohmori
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Publication number: 20120107716Abstract: A solid oxide fuel cell includes two or more power generating elements each having a cathode, an anode, and an electrolyte layer placed between the cathode and the anode; an interconnector electrically connecting the power generating elements and containing a chromite-based material; and a sealing portion provided between the electrolyte layer and the interconnector and not containing either Ni or ZrO2.Type: ApplicationFiled: October 28, 2011Publication date: May 3, 2012Applicant: NGK Insulators, Ltd.Inventors: Toshihiro YOSHIDA, Takashi Ryu, Taku Okamoto, Masaru Nishitoba, Makoto Ohmori
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Publication number: 20120012441Abstract: An object of the invention is to provide a food and drink conveying device for allowing a traveling body to travel stably along a traveling lane without guide portions protruding, the guide portions being provided along the traveling lane at the ends in the direction of the width. The food and drink conveying device has a traveling lane 1a, a conveying and driving body (15) provided along the traveling lane (1a), a traveling body (7) that can travel along the traveling lane (1a) with food and drink (9) placed on it, and connecting means (18, 19) for connecting the conveying and driving body (15) to the traveling body (7) so as to drive the traveling body (7), and the traveling body (7) travels along the traveling lane (1a) when the conveying and driving body (15) is driven.Type: ApplicationFiled: January 5, 2010Publication date: January 19, 2012Applicant: Ishino Seisakusyo Co., Ltd.Inventors: Haruki Ishino, Shintaro Sasahara, Toshihiro Yoshida
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Publication number: 20110214897Abstract: A housing for a waterproof electronic device includes a case with a front opening adapted to receive circuit components therein, and a front cover attached to the case so as to cover the case. The front cover is fitted onto a periphery of the front opening of the case so as to prevent rainwater from entering from outside. The case has an arched top plate, and includes, at a front of the case, a fitting stage, to which the front cover is fitted, so as to protrude from the case along the periphery of the front opening. The fitting stage has right and left side wall sections and at least one drain groove provided along peripheral surfaces of the top plate and both of the right and left side wall sections so that lower ends of the drain groove open downward at a bottom of the case.Type: ApplicationFiled: March 1, 2011Publication date: September 8, 2011Applicant: FUJI ELECTRIC SYSTEMS CO., LTD.Inventor: Toshihiro Yoshida
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Patent number: 7914932Abstract: An all-solid-state battery having a high output power and a long life, exhibiting high safety, and being produced at a low cost is provided. The all-solid-state battery has a cathode comprising a cathode material, an anode comprising an anode material, and a solid electrolyte layer comprising a solid electrolyte, wherein the cathode material, the anode material, and the solid electrolyte are a compound shown by the following formulas (1), (2), and (3), respectively: MaN1bX1c ??(1) MdN2eX2f ??(2) MgN3hX3i ??(3) wherein M represents H, Li, Na, Mg, Al, K, or Ca and X1, X2, and X3 are polyanions, each of N1 and N2 is at least one atom selected from the group consisting of transition metals, Al, and Cu, and N3 is at least one atom selected from the group consisting of Ti, Ge, Hf, Zr, Al, Cr, Ga, Fe, Sc, and In.Type: GrantFiled: February 23, 2007Date of Patent: March 29, 2011Assignees: NGK Insulators, Ltd., Kyushu UniversityInventors: Toshihiro Yoshida, Hiroyuki Katsukawa, Shigeto Okada
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Publication number: 20110053000Abstract: The present invention provides a ceramic material allowing a pellet having higher density and satisfactory Li ion conduction to be obtained. The ceramic material contains Li, La, Zr, Al and O and has a garnet-type or garnet-like crystal structure, the ratio of the number of moles of Li with respect to La being 2.0 or greater to 2.5 or lower.Type: ApplicationFiled: September 1, 2010Publication date: March 3, 2011Applicants: NGK Insulators, Ltd., Tokyo Metropolitan UniversityInventors: Kiyoshi KANAMURA, Atsushi KAERIYAMA, Toshihiro YOSHIDA, Akihiko HONDA, Yosuke SATO
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Publication number: 20110053002Abstract: The present invention provides a ceramic material capable of demonstrating compactness and Li ion conductivity to an extent that enables the use of the ceramic material as a solid-state electrolyte material for a lithium secondary battery, or the like. A ceramic material containing Li, La, Zr, Nb and/or Ta, as well as O and having a garnet-type or garnet-like crystal structure is used.Type: ApplicationFiled: September 1, 2010Publication date: March 3, 2011Applicant: NGK Insulators, Ltd.Inventors: Yoshihiko Yamamura, Tatsuya Hattori, Toshihiro Yoshida, Akihiko Honda, Yosuke Sato
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Patent number: 7824795Abstract: A solid electrolyte structure (1) for all-solid-state batteries includes a plate-like dense body (2) formed of a ceramic that includes a solid electrolyte, and a porous layer (3) formed of a ceramic that includes a solid electrolyte that is the same as or different from the solid electrolyte of the dense body (2), the porous layer (3) being integrally formed on at least one surface of the dense body (2) by firing. The solid electrolyte structure can reduce the contact resistance at the interface between the solid electrolyte and an electrode.Type: GrantFiled: May 4, 2009Date of Patent: November 2, 2010Assignees: NGK Insulators, Ltd., Tokyo Metropolitan UniversityInventors: Toshihiro Yoshida, Kazuhiro Yamamoto, Kiyoshi Kanamura
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Publication number: 20100047696Abstract: A ceramic material that can exhibit sufficient compactness and lithium (Li) conductivity to enable the use thereof as a solid electrolyte material for a lithium secondary battery and the like is provided. The ceramic material contains aluminum (Al) and has a garnet-type crystal structure or a garnet-like crystal structure containing lithium (Li), lanthanum (La), zirconium (Zr) and oxygen (O).Type: ApplicationFiled: August 19, 2009Publication date: February 25, 2010Applicant: NGK Insulators, Ltd.Inventors: Toshihiro YOSHIDA, Akihiko HONDA, Yosuke SATO
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Patent number: 7626818Abstract: An inverter apparatus includes heating components housed in an inverter main body and cooling fans for cooling the heating components. The inverter apparatus includes a fan unit case in which the cooling fans are housed as one integral unit, a housing space formed on an outer side of a ceiling surface of the inverter main body, and a fan cover that fixes the fan unit case. The fan unit case is slid to be housed in the housing space. The inverter apparatus makes it easier to replace cooling fans, reduce the number of components, enhance cooling efficiency, and secure high reliability.Type: GrantFiled: May 17, 2007Date of Patent: December 1, 2009Assignee: Fuji Electric Systems Co., Ltd.Inventors: Toshihiro Yoshida, Yoshihisa Hatozaki
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Publication number: 20090229700Abstract: A solid electrolyte structure containing a porous solid electrolyte is prepared. At least the porous solid electrolyte of the solid electrolyte structure is immersed in a first sol solution containing at least a precursor of an electrode active material as a solute. Then, the first sol solution, in which the porous solid electrolyte is immersed, is heated. A solvent of the first sol solution is evaporated by the heating, whereby a pore of the porous solid electrolyte is filled with a high concentration (a large amount) of the electrode active material precursor.Type: ApplicationFiled: March 6, 2009Publication date: September 17, 2009Applicants: Tokyo Metropolitan University, NGK Insulators, Ltd.Inventors: Kiyoshi KANAMURA, Masanori HARA, Atsushi KAERIYAMA, Yosuke SATO, Toshihiro YOSHIDA
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Publication number: 20090226816Abstract: A solid electrolyte structure (1) for all-solid-state batteries includes a plate-like dense body (2) formed of a ceramic that includes a solid electrolyte, and a porous layer (3) formed of a ceramic that includes a solid electrolyte that is the same as or different from the solid electrolyte of the dense body (2), the porous layer (3) being integrally formed on at least one surface of the dense body (2) by firing. The solid electrolyte structure can reduce the contact resistance at the interface between the solid electrolyte and an electrode.Type: ApplicationFiled: May 4, 2009Publication date: September 10, 2009Applicants: NGK Insulators, Ltd., Tokyo Metropolitan UniversityInventors: Toshihiro YOSHIDA, Kazuhiro Yamamoto, Kiyoshi Kanamura
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Publication number: 20090214957Abstract: A first paste for a first electrode layer and a second paste for a second electrode layer are printed on a fired solid electrolyte by screen printing, etc. to form electrode patterns for forming the first electrode layer and the second electrode layer. The first and second pastes can be prepared by dissolving a binder in an organic solvent, adding an appropriate amount of the obtained solution to powders of an electrode active substance material and a solid electrolyte material, and kneading the resultant mixture. The first and second pastes are applied to the fired solid electrolyte to form a cell precursor, the cell precursor is placed in a hot press mold subjected to a thermal treatment while pressing from above by a punch, whereby the first and second electrode layer are formed from the first and second pastes.Type: ApplicationFiled: February 18, 2009Publication date: August 27, 2009Applicants: Kyushu University, NGK Insulators, Ltd.Inventors: Shigeto Okada, Eiji Kobayashi, Kazuhiro Yamamoto, Toshihiro Yoshida
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Publication number: 20090123847Abstract: An all-solid-state cell has a fired solid electrolyte body, a first electrode layer integrally formed on one surface of the fired solid electrolyte body by mixing and firing an electrode active material and a solid electrolyte, and a second electrode layer integrally formed on the other surface of the fired solid electrolyte body by mixing and firing an electrode active material and a solid electrolyte. The first and the second electrode layers are formed by mixing and firing the electrode active material and the amorphous solid electrolyte, which satisfy the relation Ty>Tz (wherein Ty is a temperature at which the capacity of the electrode active material is lowered by reaction between the electrode active material and the solid electrolyte material, and Tz is a temperature at which the solid electrolyte material is shrunk by firing).Type: ApplicationFiled: November 10, 2008Publication date: May 14, 2009Applicants: Kyushu University, NGK Insulators, Ltd.Inventors: Shigeto Okada, Eiji Kobayashi, Kazuhiro Yamamoto, Toshihiro Yoshida, Yosuke Sato