Patents by Inventor Yoshihiko Kato

Yoshihiko 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: 11976669
    Abstract: A housing of an axial fan that allows air to flow in an axial direction includes a frame including, on an inner surface, an air channel through which air flows, stator vanes extending radially inward from the inner surface, a motor housing supported radially inward of the stator vanes, and a motor supported on one axial side of the motor housing. A portion of the stator vanes is provided on a surface on the other axial side of the motor housing.
    Type: Grant
    Filed: April 21, 2023
    Date of Patent: May 7, 2024
    Assignee: NIDEC SERVO CORPORATION
    Inventor: Yoshihiko Kato
  • Publication number: 20240126178
    Abstract: An exposure apparatus includes a substrate holder configured to hold a substrate and move, a module including a spatial light modulator having light modulation elements that are two-dimensionally arranged, an illumination unit irradiating the spatial light modulator with illumination lights, and a projection unit guiding the illumination light from the light modulation elements to respective light irradiation areas that are two-dimensionally arranged on the substrate in first and second directions, and a control unit configured to drive the substrate holder in a scanning direction, wherein the light modulation elements are two-dimensionally arranged to be inclined at a predetermined angle ? (0°<?<90°) with respect to the scanning direction and a non-scanning direction orthogonal to the scanning direction, and when a predetermined region of the substrate is exposed, the control unit scans the substrate holder at such a speed that spot positions are arranged in a staggered arrangement.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 18, 2024
    Applicant: NIKON CORPORATION
    Inventors: Masaki KATO, Yasushi Mizuno, Toshiharu Nakashima, Yoshihiko Fujimura
  • Publication number: 20230304509
    Abstract: A housing of an axial fan that allows air to flow in an axial direction includes a frame including, on an inner surface, an air channel through which air flows, stator vanes extending radially inward from the inner surface, a motor housing supported radially inward of the stator vanes, and a motor supported on one axial side of the motor housing. A portion of the stator vanes is provided on a surface on the other axial side of the motor housing.
    Type: Application
    Filed: April 21, 2023
    Publication date: September 28, 2023
    Inventor: Yoshihiko KATO
  • Publication number: 20230204633
    Abstract: A current sensor wound and mounted in a coil shape with at least one winding around a measurement conductor where a primary current flows, the current sensor including: an insulated electrical wire including a core wire having a flexible rod-shaped body and an insulating covering portion covering an outer periphery of the core wire; and a coil thin wire having one end electrically connected to one end side of the core wire, and functioning as a secondary coil by being spirally wound around an outer periphery of the insulating covering portion, wherein an other end of the core wire and an other end of the coil thin wire, which are not electrically connected, are used as output terminals.
    Type: Application
    Filed: February 27, 2023
    Publication date: June 29, 2023
    Applicant: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.
    Inventors: Yoshihiko KATO, Takamine HIROSE, Kensuke HAYAKAWA
  • Patent number: 10837448
    Abstract: A counter-rotating axial flow fan includes a first fan including a first impeller including first blades radially arranged around a predetermined central axis, a first motor rotating the first impeller around the central axis, and a first case surrounding an outer periphery of the first impeller, and a second fan including a second impeller including second blades radially arranged around the central axis, a second motor rotating the second impeller around the central axis, and a second case surrounding an outer periphery of the second impeller. End surfaces of the first and second cases contact each other at a first position in an axial direction, the first and second motors face in opposite directions from each other in the axial direction, and end surfaces of the first and second motors are opposite to each other at a second position that differs from the first position.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: November 17, 2020
    Assignee: NIDEC SERVO CORPORATION
    Inventors: Yoshihiko Kato, Takahiro Bamba, Yoshihisa Kagawa, Takanori Abe
  • Publication number: 20190301472
    Abstract: A counter-rotating fan includes a first fan including a first impeller including first blades radially arranged around a predetermined center axis, a first motor that rotates the first impeller around the center axis, and a first case surrounding an outer circumference of the first impeller, and a second fan including a second impeller including second blades radially arranged around the center axis, a second motor that rotates the second impeller around the center axis, and a second case surrounding an outer circumference of the second impeller. The first blades include a front edge located foremost in a rotation direction and a rear edge located rearmost in the rotation direction. A radially outermost end of the rear edge is located closer to the second fan than a radially innermost end.
    Type: Application
    Filed: February 12, 2019
    Publication date: October 3, 2019
    Inventors: Yoshihiko KATO, Takahiro BAMBA, Yoshihisa KAGAWA, Takanori ABE
  • Publication number: 20190301473
    Abstract: A counter-rotating axial flow fan includes a first fan including a first impeller including first blades radially arranged around a predetermined central axis, a first motor rotating the first impeller around the central axis, and a first case surrounding an outer periphery of the first impeller, and a second fan including a second impeller including second blades radially arranged around the central axis, a second motor rotating the second impeller around the central axis, and a second case surrounding an outer periphery of the second impeller. End surfaces of the first and second cases contact each other at a first position in an axial direction, the first and second motors face in opposite directions from each other in the axial direction, and end surfaces of the first and second motors are opposite to each other at a second position that differs from the first position.
    Type: Application
    Filed: March 15, 2019
    Publication date: October 3, 2019
    Inventors: Yoshihiko KATO, Takahiro BAMBA, Yoshihisa KAGAWA, Takanori ABE
  • Publication number: 20190186495
    Abstract: A blower includes a motor and an impeller. The motor includes a rotor cup that includes a first cylindrical portion that has a cylindrical shape and that holds the rotor magnet. The impeller includes an impeller cup including a cylindrical second cylindrical portion that surrounds the first cylindrical portion on an outer side of the rotor cup in the radial direction, and blade portions on a radial-direction outer surface of the second cylindrical portion. The rotor cup includes a flange portion that protrudes outward in the radial direction from a lower portion of the first cylindrical portion. Of the flange portion and the impeller cup, one includes a first hole portion recessed in an axial direction, and the other includes a first protruding portion at least partially located inside the first hole portion.
    Type: Application
    Filed: June 23, 2017
    Publication date: June 20, 2019
    Applicant: NIDEC SERVO CORPORATION
    Inventors: Takahiro BAMBA, Taro TANNO, Yoshihiko KATO
  • Publication number: 20120002016
    Abstract: A long-distance target detection camera system for detecting a long-distance target includes a pair of convergence cameras capable of performing convergence movement. The system further includes a telephoto camera having a line of sight substantially equal to the trace line of the intersection between the lines of sight of the pair of convergence cameras and having a narrower visual field than that of each of the pair of convergence cameras. The system further includes a base on which the pair of convergence cameras and the telephoto camera are installed. The system further includes a motor for base movement that controls the movement of the base.
    Type: Application
    Filed: August 17, 2009
    Publication date: January 5, 2012
    Inventors: Xiaolin Zhang, Enhui Chen, Yoshihiko Kato
  • Patent number: 7946824
    Abstract: In an axial flow fan, a line extending from a center axis and passing a corner where a following edge and a radially outer edge of a blade of an impeller meet is arranged forwardly in a rotational direction from an another corner where a leading edge of the blade and a radially outer surface of a hub meet. Furthermore, a camber ratio of the blade, which is minimum at a joint with the hub across the blade, monotonically increases to be maximum at the radially outer edge of the blade.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: May 24, 2011
    Assignee: Nidec Servo Co., Ltd.
    Inventors: Taku Iwase, Masanori Watabe, Osamu Sekiguchi, Tetsuya Hioki, Taro Tanno, Motoi Jin, Yoshihiko Kato
  • Patent number: 7896299
    Abstract: A support stand includes a base 2 including a substantially rectangular base plate 3 and four support feet 5 provided on the base plate 3 to extend outward from corners of the base plate in diagonal directions, respectively, and a stay 15 built vertically on the base 2 and for supporting the support target 30. One support foot 5b out of the four support feet 5 is formed to be bent into an L shape in a plan view or formed into an inverted U shape in a side view, and the support feet 5a adjacent to the one foot 5b are formed to extend linearly.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: March 1, 2011
    Assignee: The Bank of Tokyo-Mitsubishi UFJ, Ltd.
    Inventors: Motonari Chinuki, Gen Minagi, Maiko Kawarai, Yoshihiko Kato, Kazunori Sukeda
  • Patent number: 7737589
    Abstract: A motor includes a rotor portion including a shaft and a rotor magnet rotatable about a center axis, an armature arranged opposite to the rotor magnet to generate a torque therebetween, a circuit board arranged below the armature in an axial direction substantially parallel to the center axis and including a control circuit controlling rotation of the rotor portion, and a base portion including a bearing holder which supports the armature on its outer side surface and the shaft on its inner side surface via a bearing member. The armature is pressed against the bearing holder in the axial direction with an elastic member.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: June 15, 2010
    Assignee: Nidec Servo Corporation
    Inventors: Osamu Sekiguchi, Taro Tanno, Yoshihiko Kato, Tetsuya Hioki, Asahi Higo
  • Patent number: 7679109
    Abstract: A semiconductor device having a multilayer structure, each layer including: a dummy pattern for ensuring a flatness thereof; a pad area in which a bonding pad is formed; an input-output circuit area in which an input-output circuit is formed, the input-output circuit area being adjacent to the pad area in plan view; and a dummy pattern confined area for forbidding an arrangement of the dummy pattern in every layer included in the semiconductor device, the dummy pattern confined area being provided between the pad area and the input-output circuit area in plan view.
    Type: Grant
    Filed: December 7, 2007
    Date of Patent: March 16, 2010
    Assignee: Seiko Epson Corporation
    Inventor: Yoshihiko Kato
  • Patent number: 7622838
    Abstract: An axial fan motor comprising: a fan having a rotating shaft and composed of a hub and a plurality of vanes provided around the hub, the fan rotating to generate an air flow; a stator substrate set comprising a stator core, which drives the fan, an insulator, and a substrate; and a venturi having a sleeve, into an inner peripheral side of which a bearing is inserted to support the rotating shaft and to an outer peripheral side of which the stator core is fixed, the venturi being formed on one side thereof with an air suction opening and on the other side thereof with an air discharge mouth, wherein a space is provided between the stator core and the sleeve.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: November 24, 2009
    Assignee: Japan Servo Co., Ltd.
    Inventors: Masanori Watanabe, Taku Iwase, Osamu Sekiguchi, Taro Tanno, Yoshihiko Kato, Tetsuya Hioki
  • Patent number: 7565065
    Abstract: A fluid heater is configured by passing a cartridge heater H covered by a fluororesin, through a casing 1. The casing 1 has: a fluororesin-made case body 4 which incorporates the cartridge heater H; fluororesin-made lid bodies 5 which are attached to both ends of the case body involving sealing portions S, respectively; fluid supplying/discharging portions 31 which are formed in the lid bodies 5, and through which a fluid is introduced and discharged; and fluororesin-made union nuts 6 which are externally fitted to both ends of the case body 4 and screwed to the lid bodies 5. Sealing portions S formed between the case body 4 and the lid bodies 5 are closely contacted by fastening the union nuts 6 to the lid bodies 5. A lead-out portion 34 for the cartridge heater H is formed in at least one of the paired lid bodies 5.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: July 21, 2009
    Assignee: Nippon Pillar Packing Co., Ltd.
    Inventor: Yoshihiko Kato
  • Publication number: 20090159762
    Abstract: A support stand includes a base 2 including a substantially rectangular base plate 3 and four support feet 5 provided on the base plate 3 to extend outward from corners of the base plate in diagonal directions, respectively, and a stay 15 built vertically on the base 2 and for supporting the support target 30. One support foot 5b out of the four support feet 5 is formed to be bent into an L shape in a plan view or formed into an inverted U shape in a side view, and the support feet 5a adjacent to the one foot 5b are formed to extend linearly.
    Type: Application
    Filed: July 11, 2008
    Publication date: June 25, 2009
    Applicant: THE BANK OF TOKYO-MITSUBISHI UFJ, LTD.
    Inventors: Motonari Chinuki, Gen Minagi, Maiko Kawarai, Yoshihiko Kato, Kazunori Sukeda
  • Publication number: 20080239638
    Abstract: There is provided a display device stand that allows a TV conference to be held in a limited space, such as a small room, in a satisfactory manner. A display device stand 1 for supporting a display device 30 includes a base 2, a column 12 standing on the base 2, and angular adjustment member 20 provided at the top of the column 12. The rear side of the display device 30 is connected to the angular adjustment member 20 and the display device 30 can be angularly adjusted between the position where the display screen of the display device 30 is oriented upward and the position where the display screen of the display device 30 is oriented horizontally. The angular adjustment member 20 is a hinge 20 having two blades that can swing with respect to each other.
    Type: Application
    Filed: November 12, 2007
    Publication date: October 2, 2008
    Applicant: THE BANK OF TOKYO-MITSUBISHI UFJ, LTD.
    Inventors: Motonari Chinuki, Yoshihiko Kato, Kazunori Sukeda
  • Patent number: D642183
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: July 26, 2011
    Assignee: The Bank of Tokyo-Mitsubishi UFJ, Ltd.
    Inventors: Motonari Chinuki, Yoshihiko Kato, Kazunori Sukeda
  • Patent number: D972122
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: December 6, 2022
    Assignee: NIDEC SERVO CORPORATION
    Inventor: Yoshihiko Kato
  • Patent number: D1009246
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: December 26, 2023
    Assignee: NIDEC SERVO CORPORATION
    Inventor: Yoshihiko Kato