Patents by Inventor Takeshi Kato

Takeshi Kato 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).

  • Patent number: 10048294
    Abstract: The purpose of the present invention is to provide a current detection device which is less susceptible to a disturbance magnetic flux and does not easily cause the decrease of a detectable maximum current. A current detection device is provided with: a first magnetic shield member which has a side wall part that covers one side of a conductor and a protruding part that protrudes toward the other side from the side wall part; and a second magnetic shield member which has a side wall part that covers the other side of the conductor and a protruding part that protrudes toward the one side from the side wall part, and the protruding part of the first magnetic shield member and the protruding part of the second magnetic shield member form a gap therebetween while overlapping each other in the protruding direction of the protruding parts.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: August 14, 2018
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Nobuaki Gorai, Takeshi Kato, Yoshiyuki Akiyama
  • Publication number: 20180226115
    Abstract: A magnetoresistive memory device includes a memory cell including a magnetic tunnel junction element, a detector to detect a current value writable in units of the memory cell, a current value storage area, and a current controller. The current value storage area stores at least one of a maximum value and a minimum value of the writable current value detected by the detector. The current controller performs at least one control operation of an operation of controlling a write current value of the memory cell based on the maximum value and an operation of controlling a read current value of the memory cell based on the minimum value.
    Type: Application
    Filed: December 14, 2017
    Publication date: August 9, 2018
    Inventors: Masatoshi SONODA, Yoshiaki SONOBE, Takeshi KATO
  • Publication number: 20180204658
    Abstract: Included are: a first superconducting wire rod having a first front surface, and a first back surface, and also having a first superconducting layer, and first reinforcing layers; a second superconducting wire rod having a second front surface, and a second back surface, and also having a second superconducting layer, and second reinforcing layers; and a connection member joining the first superconducting wire rod to the second superconducting wire rod. The first superconducting wire rod has a first edge portion, and the second superconducting wire rod has a second edge portion. The first front surface located at the first edge portion is joined by the connection member to the second front surface located at other than the second edge portion, and the second front surface located at the second edge portion is joined by the connection member to the first front surface located at other than the first edge portion.
    Type: Application
    Filed: May 23, 2016
    Publication date: July 19, 2018
    Inventors: Goro OSABE, Kohei YAMAZAKI, Takeshi KATO
  • Publication number: 20180202836
    Abstract: The purpose of the present invention is to provide a position sensor capable of improving the mounting characteristics of a magnet to a moving body in the axial direction of a shaft or the like. In order to achieve the purpose, this position sensor is provided with a magnetic force sensor and a target mounted on a moving body that moves in the axial direction, wherein the target has a magnet and a magnet base for holding the magnet, and the magnet base has a magnet-holding section and a securing section to the moving body that are integrally formed.
    Type: Application
    Filed: July 27, 2016
    Publication date: July 19, 2018
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Nobuaki GORAI, Takeshi KATO, Junji ONOZUKA
  • Publication number: 20180182592
    Abstract: According to one embodiment, an X-ray tube comprises a cathode for emitting electrons, an anode having an anode target with which electrons emitted from the cathode collides to radiate X-rays, a glass container housing the cathode and the anode, an anode rod extending from the anode to an outside of the container, an annular metal member through which the anode rod is inserted, the annular metal member connecting the anode and the container to maintain an inside of the container in vacuum, and an electrically insulating molding resin member charged into a space formed between the anode rod and outer surfaces of the container and the metal member.
    Type: Application
    Filed: February 8, 2018
    Publication date: June 28, 2018
    Applicant: Toshiba Electron Tubes & Devices Co., Ltd.
    Inventors: Takeshi Kato, Takanobu Hara, Masayoshi Miyamura
  • Patent number: 10003274
    Abstract: A power conversion device includes: a metal housing; a power semiconductor module that is contained in the metal housing and converts direct electric current to alternating electric current; a capacitor module that is contained in the metal housing and arranged side by side with the power semiconductor module, wherein the capacitor module smoothes the direct electric current supplied to the power semiconductor module; a substrate that has a drive circuit part mounted in a first region, the drive circuit part driving the power semiconductor module, and a control circuit part mounted in a second region, the control circuit part controlling the drive circuit part, wherein the substrate is disposed so as to cover over the metal housing; a base plate that extends in a space in which the second region of the substrate and the capacitor module oppose to each other, and that is electrically connected to the metal housing; and a first noise shielding member that extends in a direction along a boundary between the firs
    Type: Grant
    Filed: August 6, 2014
    Date of Patent: June 19, 2018
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Masayoshi Takahashi, Keisuke Fukumasu, Yuki Fujita, Takeshi Kato, Hiroki Funato
  • Patent number: 9990708
    Abstract: An object of the present invention is to provide a pattern-measuring apparatus and a semiconductor-measuring system which are able to obtain an evaluation result for suitably selecting processing with respect to a semiconductor device. In the present invention for attaining the object described above, there is proposed a pattern-measuring apparatus including an arithmetic device which compares a circuit pattern of an electronic device with a reference pattern, in which the arithmetic device classifies the circuit pattern in processing unit of the circuit pattern on the basis of a comparison of a measurement result between the circuit pattern and the reference pattern with at least two threshold values.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: June 5, 2018
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Yasutaka Toyoda, Norio Hasegawa, Takeshi Kato, Hitoshi Sugahara, Yutaka Hojo, Daisuke Hibino, Hiroyuki Shindo
  • Patent number: 9986250
    Abstract: A display driving apparatus and a driving method may improve the compression rate of data. The display driving apparatus may include: an encoder configured to compress data of a Pentile method, using any one of a plurality of encoding methods, and compress the data according to a pattern encoding method in addition to the any one of the plurality of encoding methods when the data corresponds to a specific pattern; a decoder configured to decompress the data compressed in the encoder according to a decoding method corresponding to the any one of the encoding methods; and a data driver configured to generate a data signal using the data decompressed in the decoder.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: May 29, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Takeshi Kato, Ji-Yeon Yang, Geun-Young Jeong, Byung-Hyun Kim
  • Publication number: 20180119186
    Abstract: This method for producing a compound uses a continuous tank reactor which is provided with two or more reaction tanks for producing the compound and with a reaction liquid feeding pipe that feeds a reaction liquid from an upstream reaction tank to a downstream reaction tank, said method being characterized in that the Reynold's number of the reaction liquid that flows in the reaction liquid feeding pipe is configured to be 1800-22000. Furthermore, this compound production system is used in said method for producing a compound, and is formed by housing at least one of the reaction tanks in a portable container.
    Type: Application
    Filed: July 3, 2015
    Publication date: May 3, 2018
    Applicants: Mitsubishi Rayon Co., Ltd., Mitsubishi Chemical Engineering Corporation
    Inventors: Makoto KANO, Takamitsu KARIYA, Hiroyasu BANBA, Tomohiko MAWATARI, Takeshi KATO, Tsutomu HIRACHI, Keizo TACHIBANA, Masahiro KAMIDE, Megumu MORIMOTO
  • Publication number: 20180080801
    Abstract: The purpose of the present invention is to provide an eddy current position sensor that is less susceptible to the influence of changes in gaps due to installation or changes in temperature, or by changes in coil properties due to changes in temperature. The present invention is configured to detect the position of an object 4 to be measured by detecting the difference in signals from a reference coil 8A and a sensing coil 8B, which are configured such that, even if the object 4 to be measured rotates in a rotation direction 6A, a gap 7A between the reference coil 8A in a sensor 2 and a reference surface 9A on the object 4 to be measured does not change and a gap 7B between the sensing coil 8B and a sensing surface 9B on the object 4 to be measured changes, wherein changes in a gap 7 between the object 4 to be measured and each of coils 8A, 8B are signal output as magnetic field changes.
    Type: Application
    Filed: February 26, 2016
    Publication date: March 22, 2018
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Yoshiyuki AKIYAMA, Junji ONOZUKA, Tsukasa TAKAHASHI, Takeshi KATO, Nobuaki GORAI
  • Publication number: 20180017656
    Abstract: Provided is an electric current sensor with which it is possible to reduce errors arising between the true value of an alternating current and a current value inferred from a detection signal during detection of the alternating current by the electric current sensor. The electric current sensor is provided with a magnetic flux detection unit 11 for detecting the alternating current by detecting the magnetic flux produced by the alternating current flowing through a bus bar, and a memory 15 for storing settings data based on detection values resulting from the detection of a prescribed calibration current flowing through the bus bar by the magnetic flux detection unit 11.
    Type: Application
    Filed: January 27, 2016
    Publication date: January 18, 2018
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Takeshi KATO, Nobuaki GORAI
  • Publication number: 20180012351
    Abstract: A mounting device mounts components on a board, and performs processing of arranging discard components discarded based on a captured image on a discard loading section. A CPU of a management computer acquires an identification image in which it is possible to identify a discard component to be discarded and a captured image of the discard component, links the acquired identification image of the discard component and the captured image of the discard component, and creates a discard component arrangement image screen that includes an arrangement display area in which the identification images are arranged based on an order in which the discard components were arranged on discard loading section. The CPU of management computer then outputs the created discard component arrangement image screen.
    Type: Application
    Filed: February 4, 2015
    Publication date: January 11, 2018
    Applicant: FUJI MACHINE MFG. CO., LTD.
    Inventors: Takeshi KATO, Hiroshi OIKE, Hirotake ESAKI
  • Publication number: 20170347485
    Abstract: It is an object of the present invention to further lower the temperature of a bus bar penetrating through a current sensor. A power conversion device according to the present invention includes: a bus bar for transferring current; a current sensor having a core part for forming a throughhole for penetrating the bus bar therein; a base part arranged inside the throughhole of the core part to oppose the bus bar; and a heat transfer member, wherein the base part has an extended part protruding from the throughhole, and the extended part is extended to the heat transfer member and thermally contacts with the heat transfer member.
    Type: Application
    Filed: January 8, 2016
    Publication date: November 30, 2017
    Inventors: Akira ISHII, Hiroyuki YAMAI, Takeshi KATO
  • Patent number: 9824847
    Abstract: According to one embodiment, an X-ray tube includes a cathode, an anode target and an envelope. The cathode includes an insulating member, a conductive line, a pin assembly, a filament, a focusing electrode, and a terminal assembly. The conductive line is formed on the insulating member. The pin assembly includes a pin and a first sleeve. The terminal assembly is fixed to the insulating member, is supporting the filament, and is electrically connecting the filament to the conductive line.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: November 21, 2017
    Assignee: Toshiba Electron Tubes & Devices Co., Ltd.
    Inventor: Takeshi Kato
  • Publication number: 20170270223
    Abstract: An object is to continuously provide new information which leads to awareness and discovery of a user. An autopoietic information processing system which is an information processing system for collecting and outputting information includes: a means that inputs first information; a means that collects second information related to the first information; a means that selects third information from the second information; a means that outputs second or third information; a means that collects the second information by setting the third information as new first information; a means that merges the existing second information and new second information at a predetermined rate; a means that selects new third information from the merged second information; and a means that outputs the merged second information or the new third information. The means are recursively operated.
    Type: Application
    Filed: August 22, 2014
    Publication date: September 21, 2017
    Inventors: Takeshi KATO, Hiroyuki MIZUNO, Yasuyuki KUDO, Masanao YAMAOKA, Junichi MIYAKOSHI, Kouji FUKUDA, Yasuhiro ASA
  • Patent number: 9742304
    Abstract: Provided is a driver board capable of miniaturizing itself while ensuring insulation voltage resistance performance. In the driver board: a transformer 114 is configured, so as to cross a first insulating region 120a, such that a primary side terminal 114a is connected to a primary side circuit 112a and a secondary side terminal 114b is connected to a secondary side circuit 113a; a power supply control IC 115 is configured, so as to cross a insulating region 120b, such that a primary side terminal 115a is connected to a primary side circuit 112b and a secondary side terminal 115b is connected to a secondary side circuit 113b; and the insulating region 120a and the insulating region 120b are formed so as to at least partially face each other via an insulating board 111 such that the primary side circuit 112a and the secondary side circuit 113b do not face each other via the insulating board and the primary side circuit 112b and the secondary side circuit 113a do not face each other via the insulating board.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: August 22, 2017
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Takeshi Kato, Masashige Tsuji, Satoshi Hiranuma
  • Patent number: 9743487
    Abstract: A method of evaluating visibility of a plurality of sub-pixel structures in a panel having a plurality of red sub-pixels, green sub-pixels, and blue sub-pixels arranged in stripes, the method including establishing a target sub-pixel structure different from the stripe sub-pixel structure of the panel by combining the plurality of pixels, and evaluating a displayed image by using the target sub-pixel structure.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: August 22, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Takeshi Kato, Geun-Young Jeong, Ji-Yeon Yang, Byung-Hyun Kim
  • Publication number: 20170131329
    Abstract: The purpose of the present invention is to provide a current detection device which is less susceptible to a disturbance magnetic flux and does not easily cause the decrease of a detectable maximum current. A current detection device is provided with: a first magnetic shield member which has a side wall part that covers one side of a conductor and a protruding part that protrudes toward the other side from the side wall part; and a second magnetic shield member which has a side wall part that covers the other side of the conductor and a protruding part that protrudes toward the one side from the side wall part, and the protruding part of the first magnetic shield member and the protruding part of the second magnetic shield member form a gap therebetween while overlapping each other in the protruding direction of the protruding parts.
    Type: Application
    Filed: June 3, 2015
    Publication date: May 11, 2017
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Nobuaki GORAI, Takeshi KATO, Yoshiyuki AKIYAMA
  • Publication number: 20160365183
    Abstract: A coil unit (10) is formed of an oxide superconducting wire having a surface in a form of a strip and wound. A residual magnetic field restraint unit (81) is disposed in the coil unit (10). The residual magnetic field restraint unit (81) has a throughhole (HL) extending in an axial direction (Aa) of the coil unit (10). The residual magnetic field restraint unit (81) is formed of a magnetic substance. A residual magnetic field can thus be restrained.
    Type: Application
    Filed: August 25, 2016
    Publication date: December 15, 2016
    Inventors: Takashi NISHIMURA, Takeshi KATO
  • Patent number: 9515926
    Abstract: A communication system includes: a core network including a lower layer switch that holds control information associating match condition(s) including lower layer header information, and processing content, and processes a received packet using control information having a match condition that matches the received packet; an upper layer switch, disposed at an edge of the core network, which rewrites a prescribed region of a header of a lower layer of a packet with content associated with communication content of an upper layer; and a control apparatus that instructs the upper layer switch to rewrite the header region of the lower layer, and also sets control information including, in a match condition, header information after the rewriting, in the lower layer switch.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: December 6, 2016
    Assignee: NEC CORPORATION
    Inventor: Takeshi Kato