Patents by Inventor Hiroshi Takada
Hiroshi Takada 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: 20100151276Abstract: A magnetic storage device stable in write characteristic is provided. A first nonmagnetic film is provided over a recording layer. A first ferromagnetic film is provided over the first nonmagnetic film and has a first magnetization and a first film thickness. A second nonmagnetic film is provided over the first ferromagnetic film. A second ferromagnetic film is provided over the second nonmagnetic film, is coupled in antiparallel with the first ferromagnetic film, and has a second magnetization and a second film thickness. An antiferromagnetic film is provided over the second ferromagnetic film. The sum of the product of the first magnetization and the first film thickness and the product of the second magnetization and the second film thickness is smaller than the product of the magnetization of the recording layer and the film thickness of the recording layer.Type: ApplicationFiled: November 12, 2009Publication date: June 17, 2010Inventors: Takashi Takenaga, Takeharu Kuroiwa, Hiroshi Takada, Ryoji Matsuda, Yosuke Takeuchi
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Publication number: 20090261435Abstract: A magnetic memory element having a layer structure containing a fixing layer (pinned layer: PL) having a magnetization direction fixed unidirectionally, a nonmagnetic dielectric layer (TN1) in contact with the fixing layer (PL), and a memory layer (free layer: FL) having a first surface in contact with the nonmagnetic dielectric layer (TN1) and a second surface on the opposite to the first surface, the magnetization direction of the memory layer (FL) having a reversible magnetization direction in response to the current through the layer structure. The entire surface of the first surface of the memory layer (FL) is covered with the nonmagnetic dielectric layer (TN1) and in the joint surface of the nonmagnetic dielectric layer (TN1) and the fixing layer (PL), the first surface of the nonmagnetic dielectric layer (TN1) is exposed in a manner of surrounding the joint surface.Type: ApplicationFiled: April 21, 2009Publication date: October 22, 2009Inventors: Hiroshi TAKADA, Takashi TAKENAGA, Takeharu KUROIWA, Taisuke FURUKAWA
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Publication number: 20090250776Abstract: There is provided a magnetic memory device stable in write characteristics. The magnetic memory device has a recording layer. The planar shape of the recording layer has the maximum length in the direction of the easy-axis over a primary straight line along the easy-axis, and is situated over a length smaller than the half of the maximum length in the direction perpendicular to the easy-axis, and on the one side and on the other side of the primary straight line respectively, the planar shape has a first part situated over a length in the direction perpendicular to the easy-axis, and a second part situated over a length smaller than the length in the direction perpendicular to the easy-axis. The outer edge of the first part includes only a smooth curve convex outwardly of the outer edge.Type: ApplicationFiled: March 6, 2009Publication date: October 8, 2009Inventors: Takashi Takenaga, Takeharu Kuroiwa, Hiroshi Takada, Shuichi Ueno, Kiyoshi Kawabata
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Publication number: 20090223616Abstract: A pneumatic tire has a tread with a side surface on each axially outermost side thereof. The side surface is formed by a shoulder land portion at tread edge rising from a sidewall. The angle between a tangent to the side surface from the bottom thereof and a tangent to the surface of the sidewall 12 connecting to the side surface from the bottom is 130 degrees or more and less than 180 degrees. Also, the angle between the tangent to the side surface and the radial direction of the tire is 20 degrees or more and degrees or less. This design not only ensures retention of the stiffness of the tread but also prevents ground contact of any part of tire surface other than the tread during heavy-load running or high-speed cornering of the vehicle.Type: ApplicationFiled: March 3, 2009Publication date: September 10, 2009Applicant: KABUSHIKI KAISHA BRIDGESTONEInventor: Hiroshi TAKADA
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Publication number: 20090130433Abstract: An object of this invention is to provide a manufacturing method of metal nanowire in which a length and a diameter can be uniformly controlled, metal nanowire having excellent form uniformity, and a transparent electric conductor exhibiting excellent conductivity and transparency by employing metal nanowire having excellent conductivity and transparency.Type: ApplicationFiled: November 13, 2008Publication date: May 21, 2009Applicant: KONICA MINOLTA HOLDINGS, INC.Inventor: Hiroshi TAKADA
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Publication number: 20090117327Abstract: Disclosed is a transparent electrode containing a transparent support having thereon: a conductive layer A having a conductive fiber; and a conductive layer B having a conductive polymer, wherein the conductive layer A and the conductive layer B are disposed adjacent each other and the conductive layer A is located nearer to the transparent support than the conductive layer B; and a first surface of the conductive layer B contacting with the conductive layer A has a smoothness Ra(B): Ra(B)?30 nm.Type: ApplicationFiled: October 29, 2008Publication date: May 7, 2009Applicant: KONICA MINOLTA HOLDINGS, INC.Inventor: Hiroshi TAKADA
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Publication number: 20090106354Abstract: There is provided an identifier authentication system in which information requesting users can share all predetermined information held in a plurality of information providing servers. In the identifier authentication system, when an identifier holding user 19 presents an identifier to an information requesting server 15, the information requesting server 15 asks a location management server 13 about a location of an information providing server 14 corresponding to the presented identifier, the location management server 13 returns the confirmed IP address of the information providing server 15 corresponding to the presented identifier to the information requesting server 15 based on the location information, the information requesting server 15 accesses the information providing server 14 corresponding to the confirmed IP address by using the confirmed IP address, and receives predetermined information corresponding to the presented identifier from the accessed information providing server 14.Type: ApplicationFiled: October 24, 2006Publication date: April 23, 2009Inventors: Takaharu Ui, Toshihide Uotani, Shin Yoshimura, Hiroshi Takada
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Publication number: 20090106259Abstract: There is provided an identifier authenticating system in which information requesting users can share all predetermined information held in a plurality of information providing servers. In the identifier authenticating system, when an identifier holding user 18 presents an identifier to an information requesting server 16, the information requesting server 16 asks a location managing server 14 about a location of an information providing server 15; the location managing server 14 returns a confirmed IP address of the information providing server 15 to the information requesting server 16 based on the location information; and the information requesting server 16 uses the confirmed IP address to access the information providing server 15 corresponding to the confirmed IP address and receives predetermined information specified by multiplying n pieces of identification information from the accessed information providing server.Type: ApplicationFiled: November 30, 2006Publication date: April 23, 2009Inventors: Takaharu Ui, Toshihide Uotani, Shin Yoshimura, Hiroshi Takada
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Publication number: 20090049538Abstract: There is provided an identifier authenticating system in which information requesting users can share all the predetermined information held in a plurality of information providing servers. In the identifier authentication system, when an identifier holding user 18 presents an identifier to an information requesting server 16, the information requesting server 16 asks a location management server 14 about a location of the information providing server 15, the location management server 14 returns confirmed IP address of the information providing server 15 to the information requesting server 16 based on the location information, and the information requesting server 16 utilizes the confirmed IP address to access the information providing server 15 corresponding to the confirmed IP address, and receives predetermined information corresponding to the presented identifier and a disclosure level from the accessed information providing server 15.Type: ApplicationFiled: November 30, 2006Publication date: February 19, 2009Inventors: Takaharu Ui, Toshihide Uotani, Shin Yoshimura, Hiroshi Takada
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Publication number: 20060268969Abstract: A bit-rate automatic control circuit for feedback controlling the gain and bandwidth of a preamplifier in dependence on the bit-rate of a signal is disclosed. The circuit includes a bit-rate discrimination circuit configured to discriminate the bit rate of the signal, and an alarm circuit configured to determine whether the value of received power of the signal is less than the minimum acceptable value of the preamplifier or not. If said alarm circuit determines that the value of received power of the signal is less than the minimum acceptable value of the preamplifier, the bit-rate automatic control circuit determines, irrespective of the discrimination of said bit-rate discrimination circuit, that the bit-rate of the signal is low, and feedback controls the preamplifier based on the determination.Type: ApplicationFiled: February 16, 2005Publication date: November 30, 2006Inventors: Shunji Kimura, Tomoaki Yoshida, Koji Kitahara, Hiroshi Takada
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Patent number: 7140225Abstract: A movable die base (2) is moved toward a stationary die base (1). A pressing force is applied by a bending punch (21) disposed on the movable die base to a bending target portion of a pipe (A) which is placed on a die (11) provided on the stationary die base and which has inserted therein a core metal (17). At the time of this bending work, both ends of the pipe are restricted by holding them with restriction pads (22). When the pressing force is applied by the bending punch, the restriction pads are displaced to follow the pressing of the bending punch, whereby restricted state on both ends of the pipe is constantly maintained.Type: GrantFiled: December 17, 2004Date of Patent: November 28, 2006Assignee: Yutaka Giken Co., Ltd.Inventors: Hiroyuki Takahashi, Hiroshi Takada
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Patent number: 7134984Abstract: A fuel cut control system for an internal combustion engine is arranged to generate a fuel cut command when a predetermined engine operating condition is satisfied, to start a fuel cut of stopping a fuel supply to engine when a delay time elapses from a moment at which the fuel cut command is generated, and to shorten the delay time when the fuel cut command is generated during a downshift of a transmission drivingly connected with the engine.Type: GrantFiled: September 1, 2004Date of Patent: November 14, 2006Assignee: Nissan Motor Co., Ltd.Inventors: Hiroshi Takada, Hiroyuki Takenaka, Tetsuo Enomoto, Kenichiro Murakami
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Publication number: 20060190613Abstract: A method for increasing the capacity of a connection table in a firewall accelerator by means of mapping packets in one session with some common security actions into one table entry. For each of five Network Address Translation (NAT) configurations, a hash function is specified. The hash function takes into account which of four possible arrival types a packet at a firewall accelerator may have. When different arrival types of packets in the same session are processed, two or more arrival types may have the same hash value.Type: ApplicationFiled: February 23, 2005Publication date: August 24, 2006Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Everett Corl, Gordon Davis, Clark Jeffries, Steven Perrin, Hiroshi Takada, Victoria Thio
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Publication number: 20060159163Abstract: A bit-rate discrimination circuit for determining which bit-rate an input signal has, a first bit-rate or a second bit-rate higher than the first bit-rate, is disclosed. The circuit is characterized by a frequency selection unit configured to filter out a signal having the second bit-rate, and allow at least a fraction of the low frequency component of a signal having the first bit-rate to pass through; a determination unit configured to determine whether the fraction of the low frequency component of the signal having the first bit-rate has passed through said frequency selection unit; a smoothing unit configured to smooth the output of said determination unit; and a level conversion unit configured to convert the output of said smoothing unit to a logic level. According to the above arrangements, the bit-rate of the input signal can be discriminated based on the low frequency component thereof.Type: ApplicationFiled: February 16, 2005Publication date: July 20, 2006Applicants: NIPPON TELEGRAPH AND TELEPHONE CORPORATION, NTT ELECTRONICS CORPORATIONInventors: Shunji Kimura, Tomoaki Yoshida, Koji Kitahara, Hiroshi Takada
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Publication number: 20060003273Abstract: A silver halide color photographic material is disclosed, comprising on a reflective support yellow, magenta and cyan image forming layers, each containing silver halide grains having a chloride content of not less than 90 mol %, wherein a fog density of A(?) and a maximum density of B(?) at a wavelength of ? nm of the photographic material which has been exposed and processed, and a fog density of A?(?) at a wavelength of ? nm of the photographic material which has been subjected to overall exposure to radiation of 300 mR, then, exposed and processed, satisfy the following equations (I), (II) and (III): B(450)/[A?(450)?A(450)]?60??(I) B(550)/[A?(550)?A(550)]?160??(II) B(650)/[A?(650)?A(650)]?260??(III).Type: ApplicationFiled: June 27, 2005Publication date: January 5, 2006Inventor: Hiroshi Takada
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Publication number: 20050172692Abstract: A movable die base (2) is moved toward a stationary die base (1). A pressing force is applied by a bending punch (21) disposed on the movable die base to a bending target portion of a pipe (A) which is placed on a die (11) provided on the stationary die base and which has inserted therein a core metal (17). At the time of this bending work, both ends of the pipe are restricted by holding them with restriction pads (22). When the pressing force is applied by the bending punch, the restriction pads are displaced to follow the pressing of the bending punch, whereby restricted state on both ends of the pipe is constantly maintained.Type: ApplicationFiled: December 17, 2004Publication date: August 11, 2005Inventors: Hiroyuki Takahashi, Hiroshi Takada
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Patent number: 6914183Abstract: A board for printed wiring comprises an electromagnetic wave absorbing laminate (EM) provided on a surface of a substrate (1) with the intervention of an adhesive layer (2) of a metal oxide, the electromagnetic wave absorbing laminate (EM) comprising: (a) a magnetic layer (3) comprising a plurality of magnetic particles (31) having an average particle diameter of 1 to 150 nm and isolated from each other by an electrically insulative material (32); and (b) an electrically insulative layer (4), being alternately stacked in a multi-layer structure, the board for printed wiring has a reduced thickness and an improved electromagnetic wave absorbing characteristic in a high frequency band of not lower than gigahertz, as compared with a conventional one which has an electromagnetic wave absorbing layer of a composite material including fine magnetic particles simply dispersed in a resin binder.Type: GrantFiled: September 24, 2003Date of Patent: July 5, 2005Assignee: Sumitomo Electric Industries, Ltd.Inventors: Shinji Inazawa, Hiroshi Takada, Akihisa Hosoe, Kouji Nitta
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Publication number: 20050049111Abstract: A fuel cut control system for an internal combustion engine is arranged to generate a fuel cut command when a predetermined engine operating condition is satisfied, to start a fuel cut of stopping a fuel supply to engine when a delay time elapses from a moment at which the fuel cut command is generated, and to shorten the delay time when the fuel cut command is generated during a downshift of a transmission drivingly connected with the engine.Type: ApplicationFiled: September 1, 2004Publication date: March 3, 2005Inventors: Hiroshi Takada, Hiroyuki Takenaka, Tetsuo Enomoto, Kenichiro Murakami
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Publication number: 20040058138Abstract: A board for printed wiring comprises an electromagnetic wave absorbing laminate (EM) provided on a surface of a substrate (1) with the intervention of an adhesive layer (2) of a metal oxide, the electromagnetic wave absorbing laminate (EM) comprising: (a) a magnetic layer (3) comprising a plurality of magnetic particles (31) having an average particle diameter of 1 to 150 nm and isolated from each other by an electrically insulative material (32); and (b) an electrically insulative layer (4), being alternately stacked in a multi-layer structure, the board for printed wiring has a reduced thickness and an improved electromagnetic wave absorbing characteristic in a high frequency band of not lower than gigahertz, as compared with a conventional one which has an electromagnetic wave absorbing layer of a composite material including fine magnetic particles simply dispersed in a resin binder.Type: ApplicationFiled: September 24, 2003Publication date: March 25, 2004Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTDInventors: Shinji Inazawa, Hiroshi Takada, Akihisa Hosoe, Kouji Nitta
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Patent number: 6710262Abstract: A flat harness assembling apparatus and method are provided for covering juxtaposed electric wires with a sheet having a pressure sensitive adhesive on a surface thereof. A covering device for assembling the sheet around the plurality of juxtaposed wires includes a central plate on which a central portion of the sheet is mounted, a first side plate connected through a hinge portion to a side edge of the central plate in a foldable manner, and a second side plate connected through a hinge portion to an opposite side edge of the central plate in a foldable manner. The covering device also includes an engagement device having an engagement plate for holding a sheet mounted on the central plate and the first and second side plates.Type: GrantFiled: April 16, 2003Date of Patent: March 23, 2004Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Hiroshi Takada, Isao Mori