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).

  • Publication number: 20190319563
    Abstract: An electric power tool may include a three-phase brushless motor configured to drive a tool, a gear reducer provided between the motor and the tool. The gear reducer is configured to selectively change a reduction ratio from the motor to the tool between a first reduction ratio and a second reduction ratio. The electric power tool may further include a motor controller configured to drive the motor with rectangular waves. The motor controller is configured to selectively change a conduction angle of each rectangular wave between at least a first conduction angle and a second conduction angle.
    Type: Application
    Filed: April 10, 2019
    Publication date: October 17, 2019
    Inventors: Itsuku KATO, Katsuna HAYASHI, Kouichi TAKEDA, Hidenori NAGASAKA, Takeshi KAMIYA
  • Patent number: 10445875
    Abstract: A pattern-measuring apparatus and a semiconductor-measuring system are provided which are able to obtain an evaluation result for suitably selecting processing with respect to a semiconductor device. In particular, 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: April 27, 2018
    Date of Patent: October 15, 2019
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Yasutaka Toyoda, Norio Hasegawa, Takeshi Kato, Hitoshi Sugahara, Yutaka Hojo, Daisuke Hibino, Hiroyuki Shindo
  • Publication number: 20190299414
    Abstract: A robot system capable of separating an adhesive member from a cover material and sticking the adhesive member on an object without a complicated setting. A robot system including a sticking mechanism configured to clamp and stick an adhesive member on an object and a supply mechanism capable of supplying the adhesive member, wherein the sticking mechanism includes a robot hand configured to clamp and release the adhesive member and a robot arm configured to move the robot hand; and the supply mechanism is separate from the sticking mechanism, supplies the adhesive member in a state that the adhesive member is stuck to a cover material, and separates the cover material from the adhesive member.
    Type: Application
    Filed: December 14, 2017
    Publication date: October 3, 2019
    Applicant: KYORAKU CO., LTD.
    Inventors: Takeshi KATO, Yoshinori ONO
  • Patent number: 10431279
    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: Grant
    Filed: December 14, 2017
    Date of Patent: October 1, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Masatoshi Sonoda, Yoshiaki Sonobe, Takeshi Kato
  • Patent number: 10429721
    Abstract: A wavelength conversion device that converts input signal light having a first frequency into output signal light having a second frequency, includes: a control-light generator that outputs first continuous oscillation light and second continuous oscillation light; and a nonlinear optical medium that cross-phase modulates the input signal light with the first continuous oscillation light and the second continuous oscillation light and generates the output signal light, wherein the control-light generator outputs the first continuous oscillation light and the second continuous oscillation light to have polarized waves in directions orthogonal to each other and have a frequency interval equal to a difference between the first frequency and the second frequency and controls, based on intensity of the output signal light, timings of modulation of phases of the first continuous oscillation light and the second continuous oscillation light to be aligned with each other.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: October 1, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Tomoyuki Kato, Shigeki Watanabe, Takeshi Hoshida
  • Patent number: 10425010
    Abstract: A power conversion device includes a multiphase power conversion circuit, a plurality of bus bars which are arranged adjacent to each other, phase currents of the multiphase power conversion circuit flowing through the plurality of bus bars, respectively, a single current sensor configured to detect any of the phase currents in the plurality of bus bars, and a housing which houses the multiphase power conversion circuit, the plurality of bus bars and the current sensor, in which the current sensor includes a magnetic core through which the plurality of bus bars are inserted such that flow directions of the phase currents are the same direction, and which has a single magnetic gap, and a Hall element inserted in the magnetic gap.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: September 24, 2019
    Assignee: KEIHIN CORPORATION
    Inventors: Kazunari Kurokawa, Takuma Kato, Takayuki Sasanuma, Takeshi Kobayashi, Yuta Nakamura
  • Publication number: 20190288559
    Abstract: Contactless power supply device of the present invention includes: contactless power supply section that supplies AC power in a contactless manner; contactless power receiving section that receives the AC power in a contactless manner; first DC transformer circuit that transforms, to DC load voltage, DC reception-power voltage obtained from the contactless power receiving section and supplies the DC load voltage to first electric load, and that has a reverse transfer function of transferring regenerative power generated by the first electric load in a reverse direction; and second DC transformer circuit that transforms the DC reception-power voltage to DC load voltage and supplies the DC load voltage to second electric load. Accordingly, the generated regenerative power is allocated and made available to the other electric load, and a power storage section is not necessary, which suppresses an increase in the weight and size of the power-receiving-side device.
    Type: Application
    Filed: September 30, 2016
    Publication date: September 19, 2019
    Applicant: FUJI CORPORATION
    Inventors: Shinichi KATO, Takeshi NOMURA, Masayuki OKI
  • Publication number: 20190284706
    Abstract: An electrode set for chemical reaction includes a substrate, and electrodes for reduction and oxidation reactions alternately arranged on the same surface of the substrate.
    Type: Application
    Filed: March 11, 2019
    Publication date: September 19, 2019
    Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventors: Yasuhiko TAKEDA, Takeshi MORIKAWA, Naohiko KATO, Shintaro MIZUNO, Masahito SHIOZAWA, Hiroaki WAKAYAMA
  • Patent number: 10413546
    Abstract: A medicament for prophylactic and/or therapeutic treatment of dementia, which comprises a compound represented by the formula (I) having a xanthine oxidase inhibitory action as an active ingredient.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: September 17, 2019
    Assignees: NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY, NIPPON MEDICAL SCHOOL FOUNDATION, NIPPON CHEMIPHAR CO., LTD.
    Inventors: Takeshi Nishino, Shinsuke Kato, Masako Kato, Hidenori Suzuki, Ken Okamoto
  • Publication number: 20190273141
    Abstract: A semiconductor device includes a first gate electrode, a plurality of first source electrodes, a second gate electrode, and a plurality of second source electrodes. The first gate electrode is arranged with no other electrode between the first gate electrode and a first short side of the semiconductor substrate. The plurality of first source electrodes include a plurality of approximately rectangular first source electrodes arranged in stripes extending parallel to the lengthwise direction of the semiconductor substrate. The second gate electrode is arranged with no other electrode between the second gate electrode and a second short side of the semiconductor substrate. The plurality of second source electrodes include a plurality of approximately rectangular second source electrodes arranged in stripes extending parallel to the lengthwise direction of the semiconductor substrate.
    Type: Application
    Filed: May 21, 2019
    Publication date: September 5, 2019
    Inventors: Kazuma YOSHIDA, Takeshi IMAMURA, Toshikazu IMAI, Ryosuke OKAWA, Ryou KATO
  • Publication number: 20190271965
    Abstract: A numerical controller includes an analysis unit to analyze a machining program and extract a coordinate rotation angle that is a rotation angle of a coordinate system specified in the machining program; and a coordinate transformation unit to transform a coordinate value in the machining program into a coordinate value in a machine tool to be controlled on the basis of polarity information created on the basis of at least one of a movement direction and a rotation direction of an axis of the machine tool, and the coordinate rotation angle.
    Type: Application
    Filed: July 14, 2017
    Publication date: September 5, 2019
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takeshi TSUDA, Aya Kato
  • Patent number: 10403900
    Abstract: A method for producing porous graphite capable of realizing higher durability, output and capacity, and porous graphite. A carbon member having microvoids is obtained by a dealloying step for selectively eluting other non-carbon main components into a metal bath by immersing a carbon-containing material, composed of a compound including carbon or an alloy or non-equilibrium alloy, in the metal bath, wherein the metal bath has a solidifying point lower than the melting point of the carbon-containing material, and is controlled to a temperature lower than the minimum value of a liquidus temperature within a composition fluctuation range extending from the carbon-containing material to carbon by reducing the other non-carbon main components. The carbon member obtained in the dealloying step is graphitized by heating in a graphitization step. The carbon member graphitized in the graphitization step is subjected to activation treatment by an activation step.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: September 3, 2019
    Assignees: TOHOKU TECHNO ARCH CO., LTD., TPR INDUSTRY CO., LTD
    Inventors: Hidemi Kato, Seung-Geun Yu, Takeshi Wada
  • Publication number: 20190260293
    Abstract: A power conversion device includes a multiphase power conversion circuit, a plurality of bus bars which are arranged adjacent to each other, phase currents of the multiphase power conversion circuit flowing through the plurality of bus bars, respectively, a single current sensor configured to detect any of the phase currents in the plurality of bus bars, and a housing which houses the multiphase power conversion circuit, the plurality of bus bars and the current sensor, in which the current sensor includes a magnetic core through which the plurality of bus bars are inserted such that flow directions of the phase currents are the same direction, and which has a single magnetic gap, and a Hall element inserted in the magnetic gap.
    Type: Application
    Filed: December 21, 2018
    Publication date: August 22, 2019
    Inventors: Kazunari KUROKAWA, Takuma KATO, Takayuki SASANUMA, Takeshi KOBAYASHI, Yuta NAKAMURA
  • Publication number: 20190261091
    Abstract: A speaker diaphragm includes a protruding dome portion formed at a center portion of the speaker diaphragm, and an annular cone portion extending from an outer peripheral edge of the dome portion in a direction inclined with respect to a protrusion direction of the dome portion. The dome portion and the cone portion are, in a seamless manner, integrally formed of a sheet material made of magnesium or magnesium alloy, and an outer peripheral end of the cone portion at least extends to a substantially identical height position to a maximum protrusion position of the dome portion. An annular step portion for attachment of a cylindrical voice coil bobbin is provided along a boundary portion between the dome portion and the cone portion.
    Type: Application
    Filed: May 1, 2019
    Publication date: August 22, 2019
    Inventors: Takeshi FUJITANI, Nanayo SUZUKI, Shinjiro KATO, Tomoyuki SUZUKI
  • Publication number: 20190261439
    Abstract: To enhance a time synchronization accuracy between a plurality of wireless apparatuses in a wireless network. A time synchronization processing part performs a time synchronization processing between a self-apparatus and other apparatus configuring a wireless network together with the self-apparatus. A parent/child determination part determines whether the self-apparatus is a parent node or a child node in the wireless network. The time synchronization processing part performs the time synchronization processing as clock master for a child node under control when the self-apparatus is a parent node, and performs the time synchronization processing as a clock slave for a parent node when the self-apparatus is a child node.
    Type: Application
    Filed: November 7, 2017
    Publication date: August 22, 2019
    Inventors: TAKESHI ITAGAKI, HIDEYUKI SUZUKI, JUNJI KATO
  • Patent number: 10388618
    Abstract: A semiconductor device (10) includes: a substrate (1); a wiring (6) formed above the substrate (1); a titanium nitride film (7) formed on the wiring (6); an oxide film (3) formed on the titanium nitride film (7); a silicon nitride film (4) formed on the oxide film (3); and a pad portion (8) exposing the wiring (6), and formed at a place where a first opening portion (91) formed in the silicon nitride film (4) and a second opening portion (92) formed in the titanium nitride film (7) overlap with each other in plan view, and being inside a third opening portion (93) formed in the oxide film (3) in plan view, wherein the silicon nitride film (4) is formed on top of and in contact with the titanium nitride film (7) inside the third opening portion (93) in plan view.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: August 20, 2019
    Assignee: ABLIC Inc.
    Inventors: Takeshi Morita, Shinjiro Kato, Masaru Akino, Yukihiro Imura
  • Patent number: 10389930
    Abstract: An image pickup device includes a pixel region having a plurality of pixels that are two-dimensionally arranged, the plurality of pixels including a plurality of image pickup pixels and a plurality of focus detection pixels capable of phase difference detection; a plurality of microlenses arranged to correspond to respective photoelectric conversion units of respective image pickup pixels; and a plurality of microlenses arranged to correspond to respective photoelectric conversion units of the respective focus detection pixels. When at least one of the plurality of microlenses is orthogonally projected onto the corresponding photoelectric conversion unit, a vertex position of the at least one microlens is off a center position of the at least one microlens.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: August 20, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taro Kato, Jun Iba, Kazunari Kawabata, Takeshi Kojima
  • Patent number: 10373043
    Abstract: A radio IC device includes an electromagnetic coupling module includes a radio IC chip arranged to process transmitted and received signals and a feed circuit board including an inductance element. The feed circuit board includes an external electrode electromagnetically coupled to the feed circuit, and the external electrode is electrically connected to a shielding case or a wiring cable. The shielding case or the wiring cable functions as a radiation plate. The radio IC chip is operated by a signal received by the shielding case or the wiring, and the answer signal from the radio IC chip is radiated from the shielding case or the wiring cable to the outside. A metal component functions as the radiation plate, and the metal component may be a ground electrode disposed on the printed wiring board.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: August 6, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Noboru Kato, Satoshi Ishino, Takeshi Kataya, Ikuhei Kimura, Nobuo Ikemoto, Yuya Dokai
  • Publication number: 20190232235
    Abstract: A mixed gas supply device includes: a hydrogen gas generation unit that includes a hydrogen generator, the hydrogen generator generating hydrogen gas by decomposition of water and supplying the hydrogen gas; a nitrogen gas generation unit that includes a filter, the filter separating nitrogen gas from air and supplying the nitrogen gas; a gas mixing unit that mixes the supplied hydrogen gas and the supplied nitrogen gas and generates mix gas including the hydrogen gas and the nitrogen gas; and a single base on which the hydrogen gas generation unit, the nitrogen gas generation unit, and the gas mixing unit are mounted, the hydrogen gas generation unit, the nitrogen gas generation unit, and the gas mixing unit being integrated. The gas mixing unit supplies the generated mixed gas to outside.
    Type: Application
    Filed: April 12, 2019
    Publication date: August 1, 2019
    Inventors: Hidemi TAKAHASHI, Takeshi KATO, Yuichi DOKI, Hisashi ICHINOKIYAMA
  • Patent number: 10366486
    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: Grant
    Filed: February 4, 2015
    Date of Patent: July 30, 2019
    Assignee: FUJI CORPORATION
    Inventors: Takeshi Kato, Hiroshi Oike, Hirotake Esaki