Patents by Inventor Kenji Kataoka
Kenji Kataoka 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: 8558542Abstract: A magnetic detector includes a detecting section having a surface facing a magnetic body which moves and emits a magnetic flux. The detecting section includes plural magnetic sensors for detecting the magnetic flux. The magnetic sensors are arranged in a matrix form having three or more rows and three or more columns arranged along the surface of the detecting section. The magnetic detector provides an input device precisely detecting a moving direction and a moving amount of the magnetic body.Type: GrantFiled: March 5, 2010Date of Patent: October 15, 2013Assignee: Panasonic CorporationInventors: Tamotsu Yamamoto, Hiroaki Nishiono, Noritaka Hayama, Hiroto Inoue, Kenji Kataoka
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Publication number: 20130242804Abstract: When a path which is a network communication path is calculated, the amount of path calculation is reduced while satisfying the requirement of the path. The network is logically divided into a plurality of calculation domains, and the divided calculation domains are hierarchically managed, and the path attribute of a path within the calculation domain of a lower hierarchical layer is held as a link attribute of an abstract link of a higher hierarchical layer.Type: ApplicationFiled: December 17, 2012Publication date: September 19, 2013Applicant: HITACHI, LTD.Inventors: Hitoshi YABUSAKI, Daisuke MATSUBARA, Kota KAWAHARA, Kenji KATAOKA
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Publication number: 20130244834Abstract: In a vehicle brake system, which starts an engine-for recovering a brake negative pressure of a servo unit connected to an intake pathway of the engine, a valve opening of a throttle valve of the engine is controlled in an opening direction when the engine is started for recovering the brake negative pressure during running. It is desired that recovery control of the brake negative pressure by valve opening control of the throttle valve is performed during brake pressing operation by a driver.Type: ApplicationFiled: November 10, 2010Publication date: September 19, 2013Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Chika Tsumori, Kenji Kataoka
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Patent number: 8531951Abstract: In a packet transport network, to determine a path route in which a bottleneck does not occur with a small amount of calculation, provided is a network system, including data transfer devices and a management computer, each of the data transfer devices including IFs, in which the management computer is configured to: store remaining bandwidth information on the each of the IFs; select one of bandwidths; judge, based on the remaining bandwidth information and the selected bandwidth, whether or not the each of the IFs is usable; determine a route candidate though which data is transferred, bypassing the each of the IFs which has been judged to be unusable; judge, based on the remaining bandwidth information, whether or not continuity of the IF through which the route candidate passes is possible; and allocate the route candidate, the continuity of which is possible, to a new path.Type: GrantFiled: November 22, 2011Date of Patent: September 10, 2013Assignee: Hitachi, Ltd.Inventors: Kota Kawahara, Kenji Kataoka, Yasumichi Nonaka, Hitoshi Ihara, Koji Suzuki
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Publication number: 20130209809Abstract: Disclosed is a method for preventing a photocatalyst from decreasing in hydrophilicity due to contamination by components seeping from a sealing material for anchoring a construction material, exterior material, glass structure, or other article on which a photocatalyst layer is formed. In said method, a transparent sealing-material-component seepage-prevention layer, which contains a modified epoxy resin comprising polymerizable unsaturated monomers graft-polymerized onto or copolymerized with an epoxy resin, is formed on the surface of the sealing material. Said polymerizable unsaturated monomers include a carboxyl-group-containing monomer, and a modified epoxy resin obtained by a carboxyl-group/epoxy-group reaction after graft polymerization or copolymerization is more favorable.Type: ApplicationFiled: July 22, 2011Publication date: August 15, 2013Inventor: Kenji Kataoka
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Patent number: 8483219Abstract: An arithmetic operation portion including a swap arithmetic operation portion which performs an arithmetic operation of swap information concerned with a path route of a packet, and a label processing portion which sets adjustment of a first label based on a result of the arithmetic operation executed by the swap arithmetic operation portion is provided in a control apparatus to thereby attain compatibility between dispersion of packet transfer load and reduction of an error rate in each link.Type: GrantFiled: April 8, 2010Date of Patent: July 9, 2013Assignee: Hitachi, Ltd.Inventors: Akihiro Kamiya, Yasumichi Nonaka, Kazuhiro Kusama, Kenji Kataoka
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Patent number: 8467920Abstract: A train control system that does not allow running by erroneously receiving a signal of a further preceding train toward the front, nor permits a following train approaching another train beyond an allowable range.Type: GrantFiled: April 13, 2009Date of Patent: June 18, 2013Assignee: Mitsubishi Electric CorporationInventors: Masashi Asuka, Kenji Kataoka, Koki Yoshimoto
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Patent number: 8304667Abstract: A multilayer printed circuit board, including: a signal interconnection which transmits and receives an electrical signal between electronic components; a ground interconnection connected to a ground of a circuit; a power interconnection connected to a power layer to supply power to electronic components; at least one ground layer installed in an inner layer; at least one clearance which passes through the ground layer; and a ground via which connects the ground interconnection with the ground layer. The signal interconnection and the ground interconnection or the signal interconnection and the power interconnection are installed in a pair, and a pair of interconnection vias for interlayer connection are inserted through the clearance installed in the ground layer so that one of the pair of interconnection vias is connected to the ground layer by the ground interconnection.Type: GrantFiled: March 24, 2009Date of Patent: November 6, 2012Assignee: NEC CorporationInventors: Takashi Yoshinaga, Kenji Kataoka, Michihito Otsuki
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Publication number: 20120197466Abstract: A next station state estimating unit estimates a preceding train position from information about a stop track circuit of a current train and from a signal aspect table. It estimates the time, at which the preceding train exits the next station and brake pattern before the station is canceled, from information about the preceding train position, from information about the occupied track circuit on which the current train is present and related information between track circuits and a station and information about occupied duration of the station, which are retained in a track database, and from a history of the preceding train position retained in a history retaining unit. The time estimated is sent to a driver's cab by a communication unit.Type: ApplicationFiled: November 18, 2010Publication date: August 2, 2012Applicant: Mitsubishi Electric CorporationInventors: Koki Yoshimoto, Kenji Kataoka, Masashi Asuka, Takaya Katsuragi
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Publication number: 20120168649Abstract: Provided is a near-infrared shielding coating agent containing: (1) an inorganic near-infrared absorbing agent; (2) a tetrafunctional silicon compound represented by general formula Si(OR1)4, a hydrolysate thereof, and/or a condensation polymerization product thereof; (3) a trifunctional silicon compound represented by general formula R2Si(OR3)3, a hydrolysate thereof, and/or a condensation polymerization product thereof; (4) a silane coupling agent represented by one of the general formulas Si(X)3-Y or R4Si(X)2-Y, a hydrolysate thereof, and/or a condensation polymerization product thereof; and (5) a solvent. This coating agent allows the formation, at an ordinary temperature between 5° C. and 40° C., of a near-infrared shielding film that has a high film hardness and is not prone to cracks.Type: ApplicationFiled: June 9, 2010Publication date: July 5, 2012Inventors: Yoichi Ishibai, Akihito Sakai, Takashi Nishikawa, Kenji Kataoka, Kiyoyuki Hotta, Hideyo Ando, Yuzo Fukuda, Yorisuke Kondo, Kazuya Suzuki
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Publication number: 20120140775Abstract: In a packet transport network, to determine a path route in which a bottleneck does not occur with a small amount of calculation, provided is a network system, including data transfer devices and a management computer, each of the data transfer devices including IFs, in which the management computer is configured to: store remaining bandwidth information on the each of the IFs; select one of bandwidths; judge, based on the remaining bandwidth information and the selected bandwidth, whether or not the each of the IFs is usable; determine a route candidate though which data is transferred, bypassing the each of the IFs which has been judged to be unusable; judge, based on the remaining bandwidth information, whether or not continuity of the IF through which the route candidate passes is possible; and allocate the route candidate, the continuity of which is possible, to a new path.Type: ApplicationFiled: November 22, 2011Publication date: June 7, 2012Inventors: Kota KAWAHARA, Kenji Kataoka, Yasumichi Nonaka, Hitoshi Ihara, Koji Suzuki
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Patent number: 8117151Abstract: In a cluster type NAS, it is necessary to copy file data between disk devices of servers upon migration of a file system or a part of the file system. A server includes a control table for managing a file system or a part of the file system, and a mapping table for managing a relation between a logical device of a disk subsystem and a logical unit recognized by a server, and in response to an instruction to execute migration of the file system from a first server to a second server, the mapping table is referenced to send an instruction to update the relation between the logical device and the logical unit to the second server, and the second server newly recognizes a logical unit and updates a management server identifier of the control table.Type: GrantFiled: January 8, 2010Date of Patent: February 14, 2012Assignee: Hitachi, Ltd.Inventors: Yoji Nakatani, Koji Sonoda, Kenji Kataoka
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Patent number: 8106795Abstract: A mobile device comprises a pointing device 11 for receiving an input of a moving direction from a user, an acceleration detection unit 14 for detecting an acceleration caused by a fluctuation, and a correction unit 16 for correcting the moving direction vector inputted from the pointing device 11 by subtracting a vector on the acceleration detected by the acceleration detection unit 14 from a vector as inputted from the pointing device 11 on the moving direction. The mobile device can be ensured in mobility, even in case an abrupt fluctuation occurs at an inputting work during a movement using a transit system accompanied by fluctuations, while preventing any erroneous operation.Type: GrantFiled: February 8, 2006Date of Patent: January 31, 2012Assignee: NEC CorporationInventor: Kenji Kataoka
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Publication number: 20110134025Abstract: A plurality of cylindrical-shaped or spherical-shaped magnets each including the N-pole and the S-pole formed at a predetermined angle interval are rotatably placed between upper case and lower case, and a plurality of magnetic detection elements are disposed opposite to the magnets at a predetermined gap. When a plurality of small magnets having a diameter of about 2 to 3 mm are rotated by the finger, from the rotation direction and the rotation angle of the magnets the operation direction and the operation amount of the finger can be detected. Therefore, it is possible to obtain an input device capable of making an entire input device with a low dimension so as to make the device thin, and capable of reliable operation.Type: ApplicationFiled: November 23, 2010Publication date: June 9, 2011Applicant: Panasonic CorporationInventors: Tamotsu Yamamoto, Noritaka Hayama, Hiroto Inoue, Kenji Kataoka, Kenji Nishimura
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Publication number: 20110108677Abstract: A train control system that does not allow running by erroneously receiving a signal of a further preceding train toward the front, nor permits a following train approaching another train beyond an allowable range.Type: ApplicationFiled: April 13, 2009Publication date: May 12, 2011Applicant: Mitsubishi Electric CorporationInventors: Masashi Asuka, Kenji Kataoka, Koki Yoshimoto
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Publication number: 20110011637Abstract: A multilayer printed circuit board, including: a signal interconnection which transmits and receives an electrical signal between electronic components; a ground interconnection connected to a ground of a circuit; a power interconnection connected to a power layer to supply power to electronic components; at least one ground layer installed in an inner layer; at least one clearance which passes through the ground layer; and a ground via which connects the ground interconnection with the ground layer. The signal interconnection and the ground interconnection or the signal interconnection and the power interconnection are installed in a pair, and a pair of interconnection vias for interlayer connection are inserted through the clearance installed in the ground layer so that one of the pair of interconnection vias is connected to the ground layer by the ground interconnection.Type: ApplicationFiled: March 24, 2009Publication date: January 20, 2011Applicant: NEC CorporationInventors: Takashi Yoshinaga, Kenji Kataoka, Michihito Otsuki
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Patent number: 7852758Abstract: In generation of an MPLS path which extends over plural routing areas or generation of a GMPLS path of a single routing area, a path originating node cannot conduct route computation of the whole path. Therefore, where plural paths are generated, there is a problem that reliability and communication quality cannot be secured. In a label switch path generation processing intended for MPLS and GMPLS networks, a path originating node is provided with a unit for setting restricted link information in a label allocation request message and sending it, and a node having received the label allocation request message is provided with a unit for selecting another route, which does not pass through the restricted link according to the restricted link information, and generating a path.Type: GrantFiled: June 27, 2005Date of Patent: December 14, 2010Assignee: Hitachi Ltd.Inventors: Kenji Kataoka, Kazuhiro Kusama
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Publication number: 20100260184Abstract: An arithmetic operation portion including a swap arithmetic operation portion which performs an arithmetic operation of swap information concerned with a path route of a packet, and a label processing portion which sets adjustment of a first label based on a result of the arithmetic operation executed by the swap arithmetic operation portion is provided in a control apparatus to thereby attain compatibility between dispersion of packet transfer load and reduction of an error rate in each link.Type: ApplicationFiled: April 8, 2010Publication date: October 14, 2010Inventors: Akihiro KAMIYA, Yasumichi Nonaka, Kazuhiro Kusama, Kenji Kataoka
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Publication number: 20100231212Abstract: A magnetic detector includes a detecting section having a surface facing a magnetic body which moves and emits a magnetic flux. The detecting section includes plural magnetic sensors for detecting the magnetic flux. The magnetic sensors are arranged in a matrix form having three or more rows and three or more columns arranged along the surface of the detecting section. The magnetic detector provides an input device precisely detecting a moving direction and a moving amount of the magnetic body.Type: ApplicationFiled: March 5, 2010Publication date: September 16, 2010Applicant: Panasonic CorporationInventors: Tamotsu Yamamoto, Hiroaki Nishiono, Noritaka Hayama, Hiroto Inoue, Kenji Kataoka
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Patent number: 7791504Abstract: A rotary encoder includes a case made of insulating resin, a rotatable operation shaft, a slidable brush fixed to the operation shaft, and a signal contact embedded in a surface of the case. The slidable brush has a contacting section slidable on a surface of the case on a predetermined circumference according to a rotation of the operation shaft. The signal contact has an upper surface flush with the surface of the case, a first side surface connected to the upper surface at a first corner having a right angle, a second side surface connected to the upper surface at a second corner having a right angle, and a lower surface opposite to the upper surface. The first and side surfaces are positioned on the predetermined circumference. The lower surface has a width smaller than a width of the upper surface. This rotary encoder has a small size and outputs a signal precisely.Type: GrantFiled: January 13, 2009Date of Patent: September 7, 2010Assignee: Panasonic CorporationInventors: Jun Sugahara, Jun Sato, Takumi Nishimoto, Kenji Kataoka