Patents by Inventor Yasushi Nakajima
Yasushi Nakajima 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: 8288052Abstract: An aspect of the present invention provides a fuel cell that includes, hollow structural bodies each provided with an internal space for reacting a fuel gas and an oxidant gas, each hollow structural body including, a separator having a perimeter wall section that follows along a rim, a cell plate having an electricity-generating cell having its outer perimeter joined to the separator such that a space for a gas to flow through is formed between the separator and the cell plate, a gas supply manifold to supply one of the reactant gases, a gas discharge manifold to discharge the reactant gas, and a gas introducing flow passage to introduce said reactant gas from the gas supply manifold to the perimeter wall section of the separator, wherein the reactant gas introduced into the gas introducing passage flows from the vicinity of the perimeter wall section of the separator to the gas discharge manifold.Type: GrantFiled: April 14, 2005Date of Patent: October 16, 2012Assignee: Nissan Motor Co., Ltd.Inventors: Keiko Kushibiki, Fuminori Satou, Naoki Hara, Yasushi Nakajima, Shigeo Ibuka
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Publication number: 20120206976Abstract: A memory includes a sense amplifier connected to one or more of bit lines and configured to sense data stored in the memory cells; and a word line driver configured to control a voltage of one or more of word lines. The memory cells constitute a memory block. The memory cells constitute a memory block being a unit of memory cells on which a data erasing operation is performed. A controller changes an erase condition during the data erasing operation performed on the memory block or a verify condition for a verify check of verifying whether the data has been erased from the memory cells in the memory block, in proportion to a ratio of number of predetermined logical value data to the data in the memory block or the page before the data erasing operation.Type: ApplicationFiled: February 10, 2012Publication date: August 16, 2012Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Satoshi AOKI, Kazuo HATAKEYAMA, Yasushi NAKAJIMA
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Publication number: 20120206965Abstract: According to one embodiment, an erase verification execution unit that makes an erase verify operation of a memory cell, on which an erase operation is performed, to be performed, a number-of-erase-verifications counting unit that counts the number of erase verifications of a memory cell on which the erase operation is performed, and a number-of-erase-verifications setting unit that sets a minimum number of erase verifications from the next time based on the current number of erase verifications counted by the number-of-erase-verifications counting unit are included.Type: ApplicationFiled: February 10, 2012Publication date: August 16, 2012Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Yasushi Nakajima
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Patent number: 8168346Abstract: Solid oxide fuel cells each include a circular cell plate holding single cells as a solid oxide fuel cells and having a gas introducing opening and a gas exhausting opening in a central section. A circular separator plate has a gas introducing opening and a gas exhausting opening in a central section. Sealing members allow the gas intruding openings of the cell plate and the separator plate to airtightly communicate with each other and allow the gas exhausting openings of the cell plate and the separator plate to airtightly communicate with each other.Type: GrantFiled: October 26, 2006Date of Patent: May 1, 2012Assignee: Nissan Motor Co., Ltd.Inventors: Keiko Kushibiki, Yasushi Nakajima, Shigeo Ibuka, Hirokazu Komatsu, Tatsuya Yaguchi
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Patent number: 8068200Abstract: A liquid crystal display device has an opposing substrate on which an opposing electrode is formed, a TFT substrate on which pixel electrodes arranged in matrix, thin film transistors connected to the pixel electrodes respectively, and gate lines and data lines for the thin film transistors are formed, vertical alignment films formed on the opposing inner surfaces of these substrates, and a liquid crystal layer disposed between the vertical alignment films and having negative dielectric anisotropy. Each pixel electrode has a slit formed for separating each pixel into a plurality of sub-pixels by partially eliminating the pixel electrode with a connecting portion left at which adjoining electrode portions of each pixel electrode is connected with each other. The width W1 of the pixel electrode that runs in a direction in which the slit is formed and width W2 of the connecting portion have a ratio W2/W1 of 0.13 or lower.Type: GrantFiled: December 19, 2005Date of Patent: November 29, 2011Assignee: Casio Computer Co., Ltd.Inventors: Minoru Yamaguchi, Yasushi Nakajima, Ryota Mizusako
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Patent number: 7938289Abstract: A thermal insulating container (1) of the present invention includes a container body (9) formed of an inner container shell (2) for housing a heat generation unit (H), and of an outer container shell (3) for covering the inner container shell (2), and a vacuum layer (4) located between the inner container shell (2) and the outer container shell (3). Further, the thermal insulating container (1) is characterized in that the heat generation unit-side surface of the inner container shell (2) is covered with a thermal insulator (5). In the thermal insulating container (1), the thermal insulator (5) is provided between the inner container shell (2) and the heat generation unit (5), and the temperature rise of the inner container shell (2) is gas permeation through the inner container shell (2) is restricted.Type: GrantFiled: November 2, 2005Date of Patent: May 10, 2011Assignee: Nissan Motor Co., Ltd.Inventors: Yasushi Nakajima, Keiko Kushibiki, Shigeo Ibuka
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Patent number: 7811716Abstract: A fuel cell comprises: a cell plate (11; 110; 110A, 110B); an electroconductive gas separator (13; 130; 130A; 130B) which cooperates with the cell plate, to form a gas passage; and a holder member (15; 150; 150A; 150B) which holds a part of the cell plate. The cell plate includes a supporting body (37; 370; 370A; 370B), and a cell (39; 390; 390A; 390B) formed on the supporting body. The cell includes a solid electrolyte (43), a cathode substance layer (45) formed on one surface of the solid electrolyte, and an anode substance layer (41) formed on the other surface of the solid electrolyte.Type: GrantFiled: December 16, 2003Date of Patent: October 12, 2010Assignee: Nissan Motor Co., Ltd.Inventors: Yasushi Nakajima, Keiko Kushibiki, Itaru Shibata, Fuminori Satou
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Publication number: 20100248056Abstract: A fuel cell apparatus (A1) includes a stack structure (B) including a plurality of solid electrolyte cell units (10) stacked with interspaces separating one another, and a case (20) enclosing the stack structure (B). The fuel cell apparatus (A1) further includes an inlet port (30) to introduce a reactant gas into the case (20), an outlet port (40) to discharge the reactant gas from the case (20), and a gas guide (50) extending from the inlet port (30) along an outer periphery of the stack structure (B). The gas guide (50) may include at least one guide member (50), and a heat transfer section.Type: ApplicationFiled: October 28, 2008Publication date: September 30, 2010Inventors: Tatsuya Yaguchi, Keiko Kushibiki, Yasushi Nakajima, Shigeo Ibuka, Kenji Ohara
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Publication number: 20100015503Abstract: A fuel cell (A1) includes a cell stack (B) and a casing (210) for housing the cell stack (B), and is supplied with two reactant gases flowing separately from each other. The cell stack (B) includes a plurality of solid electrolyte fuel cell units (200) stacked on one another with inter-unit spaces provided therebetween. One of the reactant gases is supplied to the inter-unit spaces and used for power generation. The casing (210) includes a peripheral wall (222) surrounding the cell stack (B). The peripheral wall (222) is provided with at least one gas inlet opening (223) for introducing the one of the reactant gases into the inter-unit spaces and at least one gas outlet opening (224) for discharging the introduced reactant gas, wherein total opening width dimension of the gas inlet opening (223) is greater than total opening width dimension of the gas outlet opening (224).Type: ApplicationFiled: January 31, 2008Publication date: January 21, 2010Inventors: Tatsuya Yaguchi, Yasushi Nakajima, Keiko Kushibiki, Shigeo Ibuka, Hirokazu Komatsu
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Patent number: 7632594Abstract: A solid oxide fuel cell includes a plurality of electric power-generating elements stacked in a stack direction, each including a solid oxide electrolyte and a porous electrode section. A plurality of first current collector layers are connected to the porous electrode sections, respectively. At least one separator is provided for separating the plurality of electric power-generating elements. A gas supply channel is defined between the at least one separator and is associated with one of the plurality of first current collector layers. A plurality of gas supply branch passages branch off from the gas supply channel and reach the electrode section of the associated one of the plurality of electric power-generating elements. The fuel cell further includes a plurality of gas exhaust channels for exhausting consumed gas via the associated one of the plurality of first current collector layers.Type: GrantFiled: November 25, 2004Date of Patent: December 15, 2009Assignee: Nissan Motor Co., Ltd.Inventors: Fuminori Satou, Yasushi Nakajima
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Publication number: 20090300679Abstract: An information processing apparatus according to the present invention includes a content information acquisition unit that acquires content related information related to content data managed by a content management server from the content management server managing the content data, a selection unit that selects content from a content list which is a list of the content based on the content related information, and an externally connected device control unit that notifies, when the selected content is executed by an externally connected device connected externally, the externally connected device of location information of content data corresponding to the selected content and acquires reproduction state information representing a reproduction state of content when the externally connected device reproduces the selected content from the externally connected device.Type: ApplicationFiled: May 22, 2009Publication date: December 3, 2009Applicant: Sony CorporationInventors: Satoshi Hiroi, Yukio Ichikawa, Yumi Sato, Marie Suzuki, Yasushi Nakajima, Hiroshi Nagatani, Masahiro Hara, Hiroshi Horiki, Kouhei Fujimoto, Takeshi Matsuzawa, Hiroyuki Mitsubori, Sakae Houjou, Mingshan Yang
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Publication number: 20090231968Abstract: A semiconductor recording medium stores attribute management information for managing various attribute information on a content (genre, composer, artist, album, title, etc.) for each item; and sort management information managing information on a sort order when information managed by the attribute management information is sorted by a predetermined procedure. The attribute management information contains character data indicating items to be managed and pointer information indicating link relationship between the attribute management information. The sort management information contains information on the sort order when all the entries in each of attribute management information are sorted by a predetermined procedure for each of attribute management information.Type: ApplicationFiled: August 29, 2006Publication date: September 17, 2009Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Makoto Ochi, Kazuya Fujimura, Shinji Inoue, Yasushi Nakajima, Tatsuya Suzuki
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Publication number: 20090233141Abstract: In a plurality of solid oxide fuel cells (1) each including: a circular cell plate (2) holding single cells (6) as a solid oxide fuel cells and having a gas introducing opening (21) and a gas exhausting opening (22) in a central section; a circular separator plate (3) having a gas introducing opening (31) and a gas exhausting opening (32) in a central section and joined to the cell plate; and a central channel member (5) which is located in a space (S) formed by steps of the cell plate and the separator plate and performs supply and exhaust of fuel gas, a plurality of the solid oxide fuel cells are stacked facing a same direction, a interspace between each adjacent pair of the overlapping fuel cells serves as an air channel (15), sealing members (16) (17) allowing the gas intruding openings of the cell plate and the separator plate to airtightly communicate with each other and allowing the gas exhausting openings of the cell plate and the separator plate to airtightly communicate with each other are provide bType: ApplicationFiled: October 26, 2006Publication date: September 17, 2009Inventors: Keiko Kushibiki, Yasushi Nakajima, Shigeo Ibuka, Hirokazu Komatsu, Tatsuya Yaguchi
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Publication number: 20080206614Abstract: For an enhanced rigidity and suppressed occurrences of stress concentration, a solid-electrolyte fuel cell is configured with simplex cells, a metallic separator of a circular thin-sheet form having a gas introducing port and gas discharging ports in the central portion, and cell mounting parts for the simplex cells to be fixed thereto, another metallic separator of a circular thin-sheet form having a gas introducing port and gas discharging ports in the central portion, the separators defining a space in between, and a pair of flow channel members accommodated in the space and pressed to be brought into abutment, for communication of their channels with the gas introducing ports and the gas discharging ports to effect gas supply and gas discharge to and from the space, either flow channel member being joined, within the space, to one separator.Type: ApplicationFiled: October 21, 2005Publication date: August 28, 2008Inventors: Shigeo Ibuka, Keiko Kushibiki, Yasushi Nakajima, Saburo Suzuki, Tatsuya Suzuki, Katsunori Matsui, Koji Nakatani
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Patent number: 7338729Abstract: A fuel cell collector structure of the present invention includes a single cell which is formed by sandwiching a plate-shaped solid electrolyte between a fuel electrode and an air electrode, a collector which is provided at a position adjacent to the single cell, and a separator which is provided at the position adjacent to the collector. In the fuel cell collector structure, the collector is made of a porous electric conductor having a plurality of apertures on a surface, the single cell and/or the separator has a plurality of electrically conductive projections on the surface, and the projections intrude into the apertures to come into contact with the collector.Type: GrantFiled: July 19, 2004Date of Patent: March 4, 2008Assignee: Nissan Motor Co., Ltd.Inventors: Yoshiko Hishitani, Itaru Shibata, Fuminori Satou, Keiko Kushibiki, Yasushi Nakajima, Shigeo Ibuka
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Publication number: 20080014488Abstract: A fuel cell device (1) comprises at least one fuel cell unit (10). The fuel cell unit (10) includes a cell plate (11), a separator plate (15) and fixing part (17). The cell plate (11) includes a metal base (13) and a fuel cell (12) supported on the metal base. The separator plate (15) faces the cell plate, the separator plate includes a flat body (15a) and an extension (15c) at least partly extending from a peripheral edge of the body. The extension (15c) includes a side wall (15d) extending from the edge of the body toward the cell plate and a joint (15f) extending from a tip of the side wall in a diametrical direction and joined to the metal base. The fixing part (17) fixes a central part of the cell plate to a central part of the separator plate.Type: ApplicationFiled: May 12, 2005Publication date: January 17, 2008Inventors: Keiko Kushibiki, Yasushi Nakajima, Fuminori Satou, Shigeo Ibuka
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Publication number: 20070295734Abstract: A thermal insulating container (1) of the present invention includes a container body (9) formed of an inner container shell (2) for housing a heat generation unit (H), and of an outer container shell (3) for covering the inner container shell (2), and a vacuum layer (4) located between the inner container shell (2) and the outer container shell (3). Further, the thermal insulating container (1) is characterized in that the heat generation unit-side surface of the inner container shell (2) is covered with a thermal insulator (5). In the thermal insulating container (1), the thermal insulator (5) is provided between the inner container shell (2) and the heat generation unit (5), and the temperature rise of the inner container shell (2) is gas permeation through the inner container shell (2) is restricted.Type: ApplicationFiled: November 2, 2005Publication date: December 27, 2007Inventors: Yasushi Nakajima, Keiko Kushibiki, Shigeo Ibuka
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Publication number: 20070269702Abstract: A fuel cell stack structure is basically provided with a stack entity and at least one tie rod. The stack entity includes a plurality of solid electrolyte fuel cell units stacked together in a stacking direction. The tie rod extends through the stack entity to fasten the solid electrolyte fuel cell units so that the solid electrolyte fuel cell units are pressed against each other in the stacking direction. The tie rod has an outer cylinder, an inner shaft fitting into the outer cylinder, and a fixing member that fastens the outer cylinder and the inner shaft together in an axial direction of the tie rod.Type: ApplicationFiled: March 21, 2007Publication date: November 22, 2007Applicant: Nissan Motor Co., Ltd.Inventors: Yasushi NAKAJIMA, Tatsuya Yaguchi, Hiroki Sakamoto, Yu Owada, Hiroshi Sakurai, Yoshiteru Yasuda
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Publication number: 20070218341Abstract: An aspect of the present invention provides a fuel cell that includes, hollow structural bodies each provided with an internal space for reacting a fuel gas and an oxidant gas, each hollow structural body including, a separator having a perimeter wall section that follows along a rim, a cell plate having an electricity-generating cell having its outer perimeter joined to the separator such that a space for a gas to flow through is formed between the separator and the cell plate, a gas supply manifold to supply one of the reactant gases, a gas discharge manifold to discharge the reactant gas, and a gas introducing flow passage to introduce said reactant gas from the gas supply manifold to the perimeter wall section of the separator, wherein the reactant gas introduced into the gas introducing passage flows from the vicinity of the perimeter wall section of the separator to the gas discharge manifold.Type: ApplicationFiled: April 14, 2005Publication date: September 20, 2007Applicant: NISSAN MOTOR CO., LTD.Inventors: Keiko Kushibiki, Fuminori Satou, Naoki Hara, Yasushi Nakajima, Shigeo Ibuka
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Publication number: 20070154753Abstract: A fuel cell of the present invention includes a stack structure composed by stacking a plurality of solid oxide fuel cell units with current collectors. Each of the fuel cell unit includes: a cell plate which holds at least one cell and has a gas introduction hole for one of fuel gas and air in a center portion thereof; and a separator plate which has a gas introduction hole for the one of the fuel gas and the air in a center portion thereof and makes an outer peripheral edge thereof entirely bonded to an outer peripheral edge of the cell plate. The fuel cell further includes a casing which houses the stack structure, includes a gas introduction portion and a gas discharge portion, and introduces the other of the fuel gas and the air thereinto from the gas introduction portion and flows the other gas to the gas discharge portion.Type: ApplicationFiled: November 21, 2006Publication date: July 5, 2007Inventors: Keiko KUSHIBIKI, Tatsuya Yaguchi, Shigeo Ibuka, Hirokazu Komatsu, Yasushi Nakajima