Patents by Inventor Tatsuo Watanabe

Tatsuo Watanabe 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: 20200166327
    Abstract: Provided is a shape measurement system in order to perform three-dimensional measurement corresponding to a measurement object having various shapes, which includes a measurement probe, a probe tip unit, and a calculation unit. The probe tip unit includes an optical element that is configured to irradiate an object with measurement light, a fixing mechanism that is configured to fix to the measurement probe so as to be detachable and replaceable, and a cylindrical unit that is configured to lock the optical element and is provided with the fixing mechanism.
    Type: Application
    Filed: November 25, 2019
    Publication date: May 28, 2020
    Applicant: HITACHI, LTD.
    Inventors: Tatsuo HARIYAMA, Masahiro WATANABE, Atsushi TANIGUCHI, Kenji MARUNO
  • Patent number: 10634190
    Abstract: A hub unit bearing includes: an outer ring member; an inner ring member; and a cage. The cage includes a large-diameter side annular portion, a small-diameter side annular portion, pillar portions which axially couple the large-diameter side annular portion and the small-diameter side annular portion, and pockets which are formed between the pillar portions adjacent to each other in a circumferential direction. The pillar portions are formed to be inclined from the small-diameter side annular portion toward the large-diameter side annular portion. An outer diameter surface of the small-diameter side annular portion is formed as a tapered surface which is diameter-expanded toward the large-diameter side annular portion. At least one of the outer diameter surface of the cage and an inner diameter surface of the cage is formed as a cylindrical surface.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: April 28, 2020
    Assignee: NSK LTD.
    Inventors: Masamitsu Watanabe, Tatsuo Wakabayashi
  • Publication number: 20200122336
    Abstract: A robot control system according to an embodiment is a control system for a robot comprising an arm, the arm being capable of holding a tool while rotating the tool and capable of moving the tool in at least two-dimensional directions, the arm being equipped with a rotating mechanism provided for the tool. The robot control system comprises a load-acquiring unit and a control-signal-generating unit. The load-acquiring unit is configured to acquire a force measured by a force sensor configured to measure a force applied from the tool to the arm during profile copying performed on a machining object by moving the arm while a copying guide attached to the arm and a copying mold placed on the machining object are kept in contact with each other.
    Type: Application
    Filed: October 31, 2017
    Publication date: April 23, 2020
    Applicant: SUBARU CORPORATION
    Inventors: Shinya MATSUO, Tatsuo NAKAHATA, Yuichi ISHIKAWA, Atsushi RIHEI, Yasuto NISHIWAKI, Masao WATANABE
  • Publication number: 20200119257
    Abstract: Provided is a method of manufacturing a piezoelectric element in which, at a time when the piezoelectric element is manufactured, a piezoelectric material is prevented from being exposed to a temperature higher than a Curie temperature thereof to be depolarized, to thereby significantly decrease piezoelectric properties. The method of manufacturing a piezoelectric element includes a first step of arranging a plurality of electrodes on a piezoelectric material, electrically short-circuiting two or more electrodes of the plurality of electrodes, and subjecting the piezoelectric material to heat treatment, and a second step of, after the first step, electrically opening the short circuit of the two or more electrodes at a time when a temperature of the piezoelectric material decreases to less than a temperature of the piezoelectric material at a time of the heat treatment.
    Type: Application
    Filed: March 1, 2018
    Publication date: April 16, 2020
    Inventors: Akira Uebayashi, Tatsuo Furuta, Kanako Oshima, Takayuki Watanabe, Jumpei Hayashi, Satoshi Fujita, Yuki Iitsuka
  • Patent number: 10618308
    Abstract: The present invention relates to an ink-jet printing method that is capable of obtaining good printed materials that are free of occurrence of color migration and deformation of a printing medium even when printed on a transparent resin printing medium using a water-based ink containing a white ink, and a black or chromatic ink.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: April 14, 2020
    Assignees: KAO CORPORATION, THINK LABORATORY CO., LTD.
    Inventors: Yuta Matsumoto, Kazuki Watanabe, Yasufumi Ueda, Tatsuo Shigeta
  • Publication number: 20200108481
    Abstract: According to one implementation, an attachment for a machining apparatus includes: a copying guide in a machining apparatus side and an air supply passage. The copying guide has a through hole for passing a tool through. The copying guide is contacted to a copying mold placed in a workpiece side. The copying guide is attached to a spindle holding and rotating the tool. The air supply passage is adapted to supply air ejected toward the workpiece side through a clearance between the tool and the through hole.
    Type: Application
    Filed: December 10, 2019
    Publication date: April 9, 2020
    Applicant: SUBARU CORPORATION
    Inventors: Shinya MATSUO, Tatsuo NAKAHATA, Masao WATANABE
  • Patent number: 10603928
    Abstract: The present invention relates to an ink-jet printing method that is capable of obtaining good printed materials that are free of occurrence of color migration and deformation of a printing medium even when printed on a resin printing medium. The present invention provides an ink-jet printing method using a water-based ink containing a black ink, a chromatic ink and a white ink which each contain a pigment (A), an organic solvent (C) having a boiling point of not lower than 90° C. and lower than 250° C.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: March 31, 2020
    Assignees: KAO CORPORATION, THINK LABORATORY CO., LTD.
    Inventors: Yuta Matsumoto, Ryuma Mizushima, Takahiro Sato, Kazuki Watanabe, Yasufumi Ueda, Tatsuo Shigeta
  • Publication number: 20200086406
    Abstract: According to one implementation, a machining apparatus includes an electromotive saw and an attaching structure. The electromotive saw cuts off a workpiece to be machined. The attaching structure attaches the saw to an arm of a robot. Further, according to one implementation, a machining method is provided. In the machining method, a machined product is manufactured by processing a composite material or a honeycomb structure with a cutting tool attached to an arm of a robot. Further, according to one implementation, a machining method is provided. In the machining method, a machined product is manufactured by processing a workpiece to be machined with a cutting tool attached to an arm of a robot. The workpiece is processed along a shape of a jig for setting the workpiece. The workpiece is processed with contacting a guide with the jig. The guide is attached to the arm.
    Type: Application
    Filed: November 21, 2019
    Publication date: March 19, 2020
    Applicants: SUBARU CORPORATION, FUYO JITSUGYO CO. LTD.
    Inventors: Yuichi ISHIKAWA, Atsushi RIHEI, Shinya MATSUO, Tatsuo NAKAHATA, Yasuto NISHIWAKI, Masao WATANABE, Saichiro YAMASHITA, Yasushi MIYASHITA
  • Publication number: 20200041259
    Abstract: An object is to provide a technology capable of realizing miniaturizing of a measurement unit in a distance measuring device. The distance measuring device including a light emitting unit that outputs measurement light, a polarization state control unit that controls polarization of the measurement light output from the light emitting unit, and an optical path switching element that selectively emits the measurement light controlled by the polarization state control unit, in which the polarization state control unit controls the polarization so as to emit the measurement light in a plurality of directions from the optical path switching element, and the optical path switching element receives reflected light with respect to an object of the measurement light emitted from the optical path switching element, the reflected light being used to measure a distance to the object.
    Type: Application
    Filed: May 22, 2018
    Publication date: February 6, 2020
    Inventors: Masahiro WATANABE, Tatsuo HARIYAMA, Atsushi TANIGUCHI, Kenji MARUNO
  • Patent number: 10543684
    Abstract: The present invention relates to an ink-jet printing apparatus that is capable of obtaining printed materials that are free of occurrence of color migration and have good appearance even when printed on a resin printing medium using a water-based ink, and an ink-jet printing method. The present invention provides an ink-jet printing apparatus including an ink-jet printing head that ejects a water-based ink onto a resin printing medium that is transported in a feeding direction thereof, and an under heater that heats the printing medium from a rear side surface of the printing medium opposed to a front side surface thereof which faces to the ink-jet printing head, in which the under heater is disposed at a position spaced at a distance of from 0.05 to 3.0 mm apart from the rear side surface of the printing medium upon printing, and an ink-jet printing method using the ink-jet printing apparatus.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: January 28, 2020
    Assignees: KAO CORPORATION, THINK LABORATORY CO., LTD.
    Inventors: Yuta Matsumoto, Kazuki Watanabe, Yasufumi Ueda, Tatsuo Shigeta
  • Publication number: 20200018823
    Abstract: A distance measuring device includes a light emitting unit that outputs a measurement light, a first polarization state control unit that controls a polarization state of the measurement light output from the light emitting unit, a second polarization state control unit that controls the polarization state of the measurement light of which a polarization state is controlled by the first polarization state control unit, and an optical path switching element that selects an emission direction of the measurement light of which a polarization state is controlled by the second polarization state control unit, in which the second polarization state control unit controls the polarization state of the measurement light so that the measurement lights are emitted from the optical path switching element in a plurality of the emission directions, and the optical path switching element receives a reflected light obtained by reflecting the emitted measurement light by an object.
    Type: Application
    Filed: July 10, 2019
    Publication date: January 16, 2020
    Applicant: HITACHI, LTD.
    Inventors: Kenji MARUNO, Masahiro WATANABE, Yuta URANO, Tatsuo HARIYAMA, Atsushi TANIGUCHI
  • Publication number: 20190379305
    Abstract: A vibration wave motor includes an annular oscillator, and an annular moving member provided so as to be in press contact with the oscillator. The oscillator includes an annular vibrating plate, and an annular piezoelectric element provided on a first surface of the vibrating plate. The vibrating plate is in contact with the moving member via a second surface of the vibrating plate, which is opposite of the first surface. The piezoelectric element has a plurality of drive phase electrodes. When a driving region represents a region of the oscillator in which each drive phase electrode is provided, and a non-driving region represents a remaining region of the oscillator, a contact area ratio S1 between the vibrating plate and the moving member in the non-driving region is less than a contact area ratio S2 between the vibrating plate and the moving member in the driving region.
    Type: Application
    Filed: June 3, 2019
    Publication date: December 12, 2019
    Inventors: Tomohiro Watanabe, Akira Uebayashi, Tatsuo Furuta, Shinya Koyama
  • Publication number: 20190334458
    Abstract: The present invention provides a vibrator made of a non-lead-based piezoelectric material and capable of being driven at a sufficient speed with low power consumption, and provides a vibration wave drive device and an electronical device each using the vibrator. To that end, the vibrator according to the present invention includes a piezoelectric element including a piezoelectric material and electrodes, and an elastic body, wherein a Pb component contained in the piezoelectric material is less than 1000 ppm, and a resonance frequency fA in a vibration mode A and a resonance frequency fB in a vibration mode B satisfy a relation of an absolute value of (fB?fA)>2 (kHz), the vibration mode A and the vibration mode B generating vibration waves in the elastic body with wave fronts of the vibration waves intersecting each other.
    Type: Application
    Filed: December 21, 2017
    Publication date: October 31, 2019
    Inventors: Tatsuo Furuta, Takayuki Watanabe, Miki Ueda, Shinya Koyama, Makoto Kubota, Takanori Matsuda, Akira Uebayashi, Jumpei Hayashi, Hitoshi Nishitani
  • Patent number: 10436572
    Abstract: An object of the present invention is to provide a compact and highly-accurate three-dimensional shape measurement apparatus. The three-dimensional shape measurement apparatus according to the present invention causes a part of a measurement light to proceed in a direction which is different from a direction with respect to a subject as an angle measurement light, and detects a rotation angle using the angle measurement light.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: October 8, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Masahiro Watanabe, Tatsuo Hariyama, Masayuki Kobayashi
  • Patent number: 10408335
    Abstract: An apparatus includes a case, a motor, a gear mechanism, a lubrication mechanism, and a cooling mechanism. The motor and the gear mechanism are housed in the case. The gear mechanism includes a specified gear and a first gear. A vertical lower section of the first gear is positioned above a surface of the oil. The lubrication mechanism lubricates the gear mechanism by the oil thrown up by the specified gear. The cooling mechanism includes an oil pump and a pipe. The oil pump and the pipe supply the oil reserved in the case to the motor. The pipe is located above the first gear. The pipe has a hole, and the oil discharged from the hole. The hole is positioned above the first gear. A normal line direction of the hole differs from a vertically downward direction. The first gear does not overlap the normal line direction.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: September 10, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shinichiro Suenaga, Ryuichi Hasegawa, Masato Watanabe, Tatsuo Obata, Satoshi Miyanaga
  • Patent number: 10370028
    Abstract: Provided is a power steering device capable of causing control that uses a pump device and control that uses an electric motor on an input shaft to cooperate with each other.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: August 6, 2019
    Assignee: KNORR-BREMSE STEERING SYSTEM JAPAN LTD.
    Inventors: Tatsuo Matsumura, Masaki Watanabe
  • Patent number: 10325801
    Abstract: There is provided a mounting table system which includes: a mounting table rotatably installed so as to mount a substrate thereon; a plurality of heating parts installed in the mounting table, and configured to heat the mounting table; a single power source configured to supply an electric power to the plurality of heating parts; and a power switching part configured to switch from a first heating part among the plurality of heating parts to which the electric power is supplied from the single power source, to a second heating part among the plurality of heating parts, depending on a rotational angle of the mounting table.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: June 18, 2019
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Tadashi Mitsunaga, Tetsuya Miyashita, Tatsuo Hatano, Naoki Watanabe
  • Publication number: 20190140558
    Abstract: A vibration wave motor includes a driven body, a vibrator including an annular vibration plate and an annular piezoelectric element, and a vibration damping member, which are arranged in sequence, wherein the vibration plate has, on a side facing the driven body, radially extending groove portions at X places, and, when center depths of the groove portions at X places are sequentially denoted by D1 to DX in a circumferential direction, D1 to DX vary along a curve obtained by superposing one or more sine waves, and wherein the vibration plate is locally supported by the vibration damping member in some or all antinode portions of a standing wave occurring when the vibration wave motor is driven.
    Type: Application
    Filed: October 30, 2018
    Publication date: May 9, 2019
    Inventors: Tatsuo Furuta, Akira Uebayashi, Tomohiro Watanabe, Shinya Koyama
  • Patent number: 10262569
    Abstract: In order to attain an object to provide a display device capable of suppressing electric power consumption as well as displaying an image with excellent quality, a control device includes a control information output section (36) for, in a case where an image determining section (35) determines that an image is a flickering image, supplying, to a grayscale level control section (80), grayscale level control information for causing the grayscale level control section to carry out control for increasing or lowering a grayscale level of a pixel in which flicker is easily recognizable.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: April 16, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tatsuo Watanabe, Kenji Maeda
  • Patent number: 10043464
    Abstract: Provided is a display device capable of suppressing electric power consumption as well as displaying an image with excellent quality. A host control section (30) in accordance with an aspect of the present invention includes: an image determining section (35) for determining whether or not an image has a characteristic of causing flicker to be easily recognizable; and a driving changing section (36) for, in a case where it is determined that the image has the characteristic of causing flicker to be easily recognizable, determining that (i) a display of the image is to be refreshed at a first refresh rate during a first period and (ii) the display of the image is to be refreshed at a different second refresh rate during a second period.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: August 7, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Tatsuo Watanabe, Kenji Maeda