Patents by Inventor Naoki Hiraoka

Naoki Hiraoka 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: 10815976
    Abstract: An actuator device comprises an actuator wire, a net-shaped heating element which covers a side surface of the actuator wire and comprises heating wires, and a controller for supplying electric power to the net-shaped heating element to heat the net-shaped heating element. The actuator wire is contracted by application of heat and restored by release of the heat. The side surface of the actuator wire is formed of a polymer. One end of the net-shaped heating element is connected to an end of the actuator wire. Another end of the net-shaped heating element is connected to another end of the actuator wire. Each of the heating wires comprises an insulative first elastic yarn and a metal wire. The metal wire are helically wound onto the first elastic yarn. When the net-shaped heating element is not heated, the net-shaped heating element is in contact with the side surface of the actuator wire.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: October 27, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yuriko Kaneko, Maki Hiraoka, Naoki Hayashi, Kenji Tagashira
  • Patent number: 10625885
    Abstract: A medicine packaging apparatus 10 has a medicine preparing and dispensing portion 20, a packaging portion 150, a pre-packaging photographing portion 100 for reading identification information attached to a medicine in a phase before the medicines are packaged by the packaging portion 150, an individually supplying portion 60 which can individually supply the plurality of medicines received from the side of the medicine preparing and dispensing portion 20 to the side of the pre-packaging photographing portion 100 and a control part 200. The individually supplying portion 60 includes a receiving portion 72 for receiving the medicines from the side of the medicine preparing and dispensing portion 20 and a delivering device 64 which can perform a delivery action for delivering the medicines by individually holding the medicines in the receiving portion 72 and releasing the medicines toward the side of the pre-packaging photographing portion 100.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: April 21, 2020
    Assignee: YUYAMA MFG. CO., LTD.
    Inventors: Naoki Koike, Ryosuke Fukamori, Hikaru Katayama, Takuma Hiraoka
  • Patent number: 10539193
    Abstract: A method of manufacturing an outer joint member of a constant velocity universal joint includes forming cup and shaft members of medium carbon steel, preparing, as the cup member, a cup member having cylindrical and bottom portions integrally formed by forging, and a joining end surface formed on an outer surface of the bottom portion, and preparing, as the shaft member, a shaft member having a joining end surface to be joined to the bottom portion of the cup member. The method also includes bringing the joining end surfaces of the cup and shaft members into abutment against each other, and welding the cup and shaft members from an outer side of the cup member to an abutment portion between the cup and shaft members in a radial direction of the cup members.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: January 21, 2020
    Assignee: NTN CORPORATION
    Inventors: Takeshi Shimasawa, Naoki Nakagawa, Tsuneaki Hiraoka, Shintaro Suzuki, Tatsuro Sugiyama, Masazumi Kobayashi
  • Publication number: 20190376495
    Abstract: An actuator device comprises an actuator wire, a net-shaped heating element which covers a side surface of the actuator wire and comprises heating wires, and a controller for supplying electric power to the net-shaped heating element to heat the net-shaped heating element. The actuator wire is contracted by application of heat and restored by release of the heat. The side surface of the actuator wire is formed of a polymer. One end of the net-shaped heating element is connected to an end of the actuator wire. Another end of the net-shaped heating element is connected to another end of the actuator wire. Each of the heating wires comprises an insulative first elastic yarn and a metal wire. The metal wire are helically wound onto the first elastic yarn. When the net-shaped heating element is not heated, the net-shaped heating element is in contact with the side surface of the actuator wire.
    Type: Application
    Filed: August 22, 2019
    Publication date: December 12, 2019
    Inventors: YURIKO KANEKO, MAKI HIRAOKA, NAOKI HAYASHI, KENJI TAGASHIRA
  • Publication number: 20190291569
    Abstract: A vehicle cooling system includes a circulation flow path section which has a first flow path section and a second flow path section, and a solenoid valve which can switch between an open state in which the first flow path section and the second flow path section are connected and a closed state in which the first flow path section and the second flow path section are blocked. The circulation flow path section includes a valve body accommodating section configured to include a first accommodating section and a second accommodating section which connects the first flow path section and the second flow path section in the open state, and a connection flow path section whose one end is connected to the first flow path section. The other end of the connection flow path section opens to the first accommodating section.
    Type: Application
    Filed: March 21, 2019
    Publication date: September 26, 2019
    Inventors: Naoki HIRAOKA, Tomoya OZAWA, Takashi ASAI, Daisuke MURATA, Keita KOBAYASHI, Tomohiro YASUDA, Kenro TAKAHASHI
  • Patent number: 10352369
    Abstract: In an outer joint member of a constant velocity universal joint, a cup member and a shaft member are made of medium to high carbon steel and welded together. The cup member has a bottomed cylindrical shape that is opened at one end, and includes a cylindrical portion, a bottom portion, and a short shaft section of a solid shaft shape protruding from the bottom portion and having a joining end surface. The shaft member has a solid shaft shape and a joining end surface. The joining end surfaces of the cup and shaft members are brought into abutment against each other, and a high energy intensity beam is radiated from an outer side in a radial direction to form a welded portion. A structure of a molten metal at the welded portion is in a mixed phase of ferrite and granular cementite.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: July 16, 2019
    Assignee: NTN CORPORATION
    Inventors: Daisuke Kagawa, Tsuneaki Hiraoka, Shintaro Suzuki, Naoki Nakagawa, Tatsuro Sugiyama, Masazumi Kobayashi
  • Patent number: 7863195
    Abstract: An apparatus for feeding slurry to an external device. The apparatus includes a preparation tank for preparing the slurry. A circulation pipe is connected to the preparation tank to circulate the slurry. A feeding pipe is connected between the preparation tank and the external device to feed the external device with the slurry. A pump sends the chemical solution in the preparation tank to the circulation pipe and the feeding pipe. A concentration detector is arranged downstream to the pump to detect the concentration of the slurry. A controller controls the concentration of the chemical solution in the preparation tank in accordance with the detection value of the concentration detector and controls the feeding of the chemical solution.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: January 4, 2011
    Assignee: Fujitsu Semiconductor Limited
    Inventors: Naoki Hiraoka, Hiroshi Osuda, Hotaka Yamamoto
  • Patent number: 7705584
    Abstract: The magnetic sensor in the invention is arranged to detect a change of magnetic field caused by a movement of the magnetic movable by a magnetic sensor element arranged with a gap to the magnetic movable, to convert the detected change of magnetic field by first and second bridge circuits into electric signals, to generate first and second rectangular-wave signals by first and second comparator circuits depending upon the electric signals, and to form a signal having at least four levels by a signal forming circuit, thereby detecting a moving direction of the magnetic movable depending upon a level-change order in the signal. This makes it possible to detect a rotating direction of the magnetic movable rapidly and correctly.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: April 27, 2010
    Assignee: Mitsubishi Electric Corporation
    Inventors: Masahiro Yokotani, Naoki Hiraoka
  • Patent number: 7557041
    Abstract: A chemical supplying apparatus includes first and second mixing tanks for mixing and supplying chemical slurries used in a semiconductor fabrication process. The slurries are alternately provided from the first and second mixing tanks such that the slurry is continuously available to a processing apparatus for maximum efficiency. While one of the tanks is supplying the slurry, the other tank is cleaned and then used to prepare a new batch of the slurry.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: July 7, 2009
    Assignee: Fujitsu Microelectronics Limited
    Inventor: Naoki Hiraoka
  • Patent number: 7468604
    Abstract: A magnetic detector, wherein the magnetic/electric conversion element is constituted by at least six segments symmetrically arranged in a direction in which the magnetic moving body rotates maintaining a predetermined pitch with respect to the center line of the magnet, first and second bridge circuits are constituted so as to produce outputs accompanying the rotation of the magnetic moving body, and a third bridge circuit is constituted so as to produce an output accompanying the rotation of the magnetic moving body, and wherein a comparison level of a comparator circuit that shapes the waveform of a differential output signal of the first and second bridge circuits is adjusted relying upon an output signal of the third bridge circuit.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: December 23, 2008
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Masahiro Yokotani, Naoki Hiraoka
  • Publication number: 20080214005
    Abstract: An apparatus for feeding slurry to an external device. The apparatus includes a preparation tank for preparing the slurry. A circulation pipe is connected to the preparation tank to circulate the slurry. A feeding pipe is connected between the preparation tank and the external device to feed the external device with the slurry. A pump sends the chemical solution in the preparation tank to the circulation pipe and the feeding pipe. A concentration detector is arranged downstream to the pump to detect the concentration of the slurry. A controller controls the concentration of the chemical solution in the preparation tank in accordance with the detection value of the concentration detector and controls the feeding of the chemical solution.
    Type: Application
    Filed: March 14, 2008
    Publication date: September 4, 2008
    Applicant: FUJITSU LIMITED
    Inventors: Naoki Hiraoka, Hiroshi Osuda, Hotaka Yamamoto
  • Patent number: 7419946
    Abstract: An apparatus for feeding slurry to an external device. The apparatus includes a preparation tank for preparing the slurry. A circulation pipe is connected to the preparation tank to circulate the slurry. A feeding pipe is connected between the preparation tank and the external device to feed the external device with the slurry. A pump sends the chemical solution in the preparation tank to the circulation pipe and the feeding pipe. A concentration detector is arranged downstream to the pump to detect the concentration of the slurry. A controller controls the concentration of the chemical solution in the preparation tank in accordance with the detection value of the concentration detector and controls the feeding of the chemical solution.
    Type: Grant
    Filed: September 16, 2003
    Date of Patent: September 2, 2008
    Assignee: Fujitsu Limited
    Inventors: Naoki Hiraoka, Hiroshi Osuda, Hotaka Yamamoto
  • Publication number: 20070285086
    Abstract: A magnetic detector, wherein the magnetic/electric conversion element is constituted by at least six segments symmetrically arranged in a direction in which the magnetic moving body rotates maintaining a predetermined pitch with respect to the center line of the magnet, first and second bridge circuits are constituted so as to produce outputs accompanying the rotation of the magnetic moving body, and a third bridge circuit is constituted so as to produce an output accompanying the rotation of the magnetic moving body, and wherein a comparison level of a comparator circuit that shapes the waveform of a differential output signal of the first and second bridge circuits is adjusted relying upon an output signal of the third bridge circuit.
    Type: Application
    Filed: December 27, 2006
    Publication date: December 13, 2007
    Applicant: Mitsubishi Electric Corporation
    Inventors: Masahiro Yokotani, Naoki Hiraoka
  • Patent number: 7265541
    Abstract: The magnetic sensor in the invention includes a detecting section that detects a change of magnetic flux due to a movement of the magnetic movable, comparator circuits constituting a converting section that converts a change of magnetic flux detected by the detecting section into an electric amount, and a D-FF circuit device, in a sensor unit having a power-supplying power terminal VB, a ground terminal GND and an output terminal VOUT. A current control section is provided to change the amount of current flowing through at least one of the power terminal and the ground terminal, correspondingly to a moving direction of the magnetic movable. Thus, a moving direction of the magnetic movable can be determined depending upon the amount of current.
    Type: Grant
    Filed: August 23, 2006
    Date of Patent: September 4, 2007
    Assignee: Mitsubishi Electric Corporation
    Inventors: Masahiro Yokotani, Naoki Hiraoka
  • Publication number: 20070200561
    Abstract: The magnetic sensor in the invention is arranged to detect a change of magnetic field caused by a movement of the magnetic movable by a magnetic sensor element arranged with a gap to the magnetic movable, to convert the detected change of magnetic field by first and second bridge circuits into electric signals, to generate first and second rectangular-wave signals by first and second comparator circuits depending upon the electric signals, and to form a signal having at least four levels by a signal forming circuit, thereby detecting a moving direction of the magnetic movable depending upon a level-change order in the signal. This makes it possible to detect a rotating direction of the magnetic movable rapidly and correctly.
    Type: Application
    Filed: July 12, 2006
    Publication date: August 30, 2007
    Inventors: Masahiro Yokotani, Naoki Hiraoka
  • Publication number: 20070182405
    Abstract: The magnetic sensor in the invention includes a detecting section that detects a change of magnetic flux due to a movement of the magnetic movable, comparator circuits constituting a converting section that converts a change of magnetic flux detected by the detecting section into an electric amount, and a D-FF circuit device, in a sensor unit having a power-supplying power terminal VB, a ground terminal GND and an output terminal VOUT. A current control section is provided to change the amount of current flowing through at least one of the power terminal and the ground terminal, correspondingly to a moving direction of the magnetic movable. Thus, a moving direction of the magnetic movable can be determined depending upon the amount of current.
    Type: Application
    Filed: August 23, 2006
    Publication date: August 9, 2007
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Masahiro YOKOTANI, Naoki HIRAOKA
  • Publication number: 20070170913
    Abstract: A magnetic detection apparatus can reduce the cost of production to a substantially extent. The magnetic detection apparatus includes a magnetic movable element (1) having a first groove (1a) and a second groove (1b) that are different in diametral depth from each other, a magnetoresistive segment (3a) that is arranged apart from the magnetic movable element (1) so as to come in opposition to the first and second grooves (1a, 1b) in accordance with the moving magnetic movable element (1), a magnet (5) that is arranged in the vicinity of the magnetoresistive segment (3a) for applying a magnetic field thereto, and a processing circuit part (4) that generates different output signals in accordance with a change of the magnetic field applied to the magnetoelectric conversion element (3a) which is caused in accordance with the first and second grooves (1a, 1b) in opposition to said processing circuit part (4).
    Type: Application
    Filed: May 1, 2006
    Publication date: July 26, 2007
    Inventors: Masahiro Yokotani, Naoki Hiraoka
  • Publication number: 20070141845
    Abstract: A chemical supplying apparatus includes first and second mixing tanks for mixing and supplying chemical slurries used in a semiconductor fabrication process. The slurries are alternately provided from the first and second mixing tanks such that the slurry is continuously available to a precessing apparatus for maximum efficiency. While one of the tanks is supplying the slurry, the other tank is cleaned and then used to prepare a new batch of the slurry.
    Type: Application
    Filed: February 9, 2007
    Publication date: June 21, 2007
    Applicant: FUJITSU LIMITED
    Inventors: Naoki Hiraoka, Takeshi Hiraide
  • Patent number: 7208417
    Abstract: A chemical supplying apparatus includes first and second mixing tanks for mixing and supplying chemical slurries used in a semiconductor fabrication process. The slurries are alternately provided from the first and second mixing tanks such that the slurry is continuously available to a precessing apparatus for maximum efficiency. While one of the tanks is supplying the slurry, the other tank is cleaned and then used to prepare a new batch of the slurry.
    Type: Grant
    Filed: February 23, 2005
    Date of Patent: April 24, 2007
    Assignee: Fujitsu Limited
    Inventor: Naoki Hiraoka
  • Patent number: 7157904
    Abstract: A magnetic detection apparatus is able to make a selection between AC coupling and DC coupling thereby to improve the accuracy of a final output signal corresponding to a magnetic movable element, thus making it possible to ensure excellent detection performance. The magnetic detection apparatus with a sensor composed of magnetoresistive elements (2a, 2b) for detecting the strength of a magnetic field includes a first comparison circuit (31) that has a first comparison level (VR1), and waveform shapes the amplitude of a detection signal (C) from the magnetoresistive elements (2a, 2b) through DC coupling, a second comparison circuit (32) that has a second comparison level (VR2), and waveform shapes the amplitude of the detection signal C through DC coupling, and a third comparison circuit (33) that has a third comparison level VR3, and waveform shapes the amplitude of the detection signal C after AC coupling.
    Type: Grant
    Filed: June 6, 2006
    Date of Patent: January 2, 2007
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Masahiro Yokotani, Naoki Hiraoka