Patents by Inventor Akio Uchiyama

Akio Uchiyama 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: 10553330
    Abstract: Provided is an in-wheel motor power cable in which a cross-sectional area of a conductor portion can be sufficiently assured for allowing large current to pass therethrough while avoiding excessively large maximum diameter of the cable. The power cable includes a conductor portion; an insulator configured to cover an outer circumference of the conductor portion; a hollow shield wire configured to cover an outer circumference of the insulator; and a sheath configured to cover an outer circumference of the shield wire. The conductor portion comprises a composite strand obtained by stranding a plurality of wire strands each of which is a strand of a plurality of filaments with no insulating layer, each filament being a tin-plated soft copper wire. The insulator is a soft fluororesin, and the shield wire is a braided copper-foiled yarn cable.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: February 4, 2020
    Assignee: NTN CORPORATION
    Inventors: Naoyuki Uchiyama, Akio Nakajima
  • Publication number: 20190237216
    Abstract: Provided is an in-wheel motor power cable in which a cross-sectional area of a conductor portion can be sufficiently assured for allowing large current to pass therethrough while avoiding excessively large maximum diameter of the cable. The power cable includes a conductor portion; an insulator configured to cover an outer circumference of the conductor portion; a hollow shield wire configured to cover an outer circumference of the insulator; and a sheath configured to cover an outer circumference of the shield wire. The conductor portion comprises a composite strand obtained by stranding a plurality of wire strands each of which is a strand of a plurality of filaments with no insulating layer, each filament being a tin-plated soft copper wire. The insulator is a soft fluororesin, and the shield wire is a braided copper-foiled yarn cable.
    Type: Application
    Filed: April 12, 2019
    Publication date: August 1, 2019
    Applicant: NTN CORPORATION
    Inventors: Naoyuki UCHIYAMA, Akio NAKAJIMA
  • Publication number: 20170100086
    Abstract: A lumen passability checking device checks whether a capsule medical device configured to be introduced into a gastrointestinal tract of a subject is allowed to pass through the gastrointestinal tract. The device includes: a main body dissolvable by a substance in the gastrointestinal tract; a first layer coating the main body, having an outer diameter substantially equivalent to an outer diameter in a minor axis of the capsule medical device, and being dissolvable by the substance in the gastrointestinal tract; and a second layer coating the first layer and being dissolvable by the substance in the gastrointestinal tract. The first and second layers contain different discriminating materials. The first layer has at least two regions extending along a circumference of a cross section of the first layer, the cross section intersecting with a long axis of the device, a part of each region being thinner than other parts.
    Type: Application
    Filed: December 16, 2016
    Publication date: April 13, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Kei TAKASUGI, Akio UCHIYAMA
  • Patent number: 9596978
    Abstract: The medical device guidance system include a magnetic guidance device which generates a guidance field in an arbitrary direction to guide a capsular medical device and carry out movement and posture control, a position detection device which detects the present position by a magnetic field generated by the capsular medical device and a position calculating and correcting section which forms an estimation equation of an undesired magnetic field generated from a guidance coil and subtracts an estimation equation result from the detection result of the magnetic field detecting section, according to the present position of the capsular medical device that controls the position and posture by a guidance field relative to the position detection device, and corrects the present position by excluding a desired magnetic field generated from a guidance coil.
    Type: Grant
    Filed: October 21, 2008
    Date of Patent: March 21, 2017
    Assignee: OLYMPUS CORPORATION
    Inventors: Atsushi Kimura, Akio Uchiyama
  • Patent number: 9211084
    Abstract: A medical guidance system and a control method of a medical device are provided, which may increase the drive force of a medical device and improve controllability thereof. The medical guidance system has a medical device that includes a biologic information acquisition unit that acquires biologic information of the inside of a body cavity and a magnet that generates drive force in response to a magnetic field exerted from the outside of a body, a magnetic field generation unit 101 that generates the magnetic field to be exerted on the magnet from the outside of a body, and a displacement detection unit 105 that detects displacement being an angle formed between the magnetization direction of the magnet and the field direction of the magnetic field generated by the magnetic field generation unit 101 at the position of the medical device; wherein the magnetic field generation unit 101 is controlled based on the displacement.
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: December 15, 2015
    Assignee: OLYMPUS CORPORATION
    Inventors: Akio Uchiyama, Atsushi Chiba, Hironao Kawano
  • Patent number: 9078616
    Abstract: A rotary self-propelled endoscope system includes an insertion section body, an insertion section, a drive unit, a torque detection unit, and a control unit. In a distal end portion of the insertion section body, a rigid distal end portion including an image pickup apparatus is disposed. The insertion section is rotatably fit to the outside of the insertion section body, and includes a rotary tubular member having a helical portion formed by a helical concave-convex portion. The drive unit applies the rotary tubular member with axial and rotational drive force. The torque detection unit detects torque information of the rotary tubular member. On the basis of the torque information detected by the torque detection unit, the control unit compares a present value with a preset limit value for controlling the torque of the rotary tubular member, and controls the drive unit on the basis of the comparison result.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: July 14, 2015
    Assignee: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Akio Uchiyama, Mitsuhiro Ito, Seiichi Ito, Yoshiyuki Tanii
  • Patent number: 9039606
    Abstract: An encapsulated medical device guidance system, and a method of controlling the system, in which a magnetic generator acts on a magnet built into a capsulated medical device, and generates a magnetic field for controlling the position and/or posture of the capsulated medical device, and a control unit has a dynamic torque estimation unit to estimate a dynamic torque to be applied to the encapsulated medical device in a target posture, controls a magnetic field generated from the magnetic field generator so that a magnetic torque generated by the magnetic field generator becomes proportional to a dynamic torque estimated by the dynamic torque estimation unit, and controls the posture of a capsule endoscope by considering gravity applied to the capsule endoscope itself.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: May 26, 2015
    Assignees: OLYMPUS CORPORATION, OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Akio Uchiyama, Atsushi Kimura, Isao Aoki
  • Patent number: 9002434
    Abstract: Position detection of a medical device is prevented from being impossible even when the frequency characteristic of a magnetic induction coil is varied in accordance with the state of an external magnetic field for guiding the medical device.
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: April 7, 2015
    Assignee: Olympus Corporation
    Inventors: Akio Uchiyama, Atsushi Kimura, Ryoji Sato, Atsushi Chiba
  • Patent number: 8790248
    Abstract: An indwelling apparatus (5) for holding a capsule endoscope (3) is arranged with a control device (57) including an optical sensor (73), a control board (66) configuring a controller and a reset circuit, a driver board (68) configuring an electromagnet driver, and an electromagnet (70), where when the optical sensor (73) detects the light, the controller performs the drive control of the electromagnet (70) at every constant time interval to turn ON the reed switch (14) and supply power to the capsule endoscope (3) thereby operating the capsule endoscope (3) only when observation is necessary, and thus the battery drain of the capsule endoscope is reduced.
    Type: Grant
    Filed: July 20, 2006
    Date of Patent: July 29, 2014
    Assignees: Olympus Medical Systems Corp., Olympus Corporation
    Inventors: Akio Uchiyama, Hironobu Takizawa, Shinsuke Tanaka, Katsumi Hirakawa, Takeshi Yokoi
  • Patent number: 8753265
    Abstract: An encapsulated endoscope system in accordance with the present invention comprises: an encapsulated endoscope that rotates to develop a thrust; a controller that moves the encapsulated endoscope in an intended direction of advancement; an imaging unit incorporated in the encapsulated endoscope; and an image processing unit that receives image data sent from the imaging unit, and produces an image, which results from rotation of the received image data, according to the rotational phase of the encapsulated endoscope.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: June 17, 2014
    Assignee: Olympus Corporation
    Inventors: Akio Uchiyama, Hironobu Takizawa, Takeshi Yokoi, Hitoshi Mizuno
  • Patent number: 8740777
    Abstract: A body-insertable apparatus includes a light-receiving unit that includes light-receiving elements each having a receiving wavelength spectrum; light-emitting units including a near ultraviolet light source and including a yellow light source; a selection unit that can select, from among the light-emitting units, light-emitting units corresponding respectively to the near ultraviolet and the yellow light sources; an image creating unit creating a normal-light image or creating a special-light image; a transmitting unit transmitting the normal-light image or the created special-light image; and a control unit controlling driving of the light-receiving elements in accordance with selection performed by the selection unit.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: June 3, 2014
    Assignee: Olympus Medical Systems Corp.
    Inventors: Tetsuo Minai, Shinsuke Tanaka, Akio Uchiyama
  • Patent number: 8740774
    Abstract: Using a guidance system with a simple configuration, propulsive motion along a longitudinal direction and changing of the propulsion direction are easily performed with good precision and stability. There is provided a capsule-type medical apparatus which is inserted into the body of a subject and is guided by an external magnetic field, the capsule-type medical apparatus comprising: a substantially cylindrical capsule; a propulsion mechanism for converting rotary motion about a longitudinal axis R of the capsule into propulsive motion along the longitudinal axis R; a magnet accommodated inside the capsule and disposed in such a manner that the magnetic-pole direction thereof can be switched between a direction along the longitudinal axis R and a direction intersecting the longitudinal axis R; and a securing portion for securing the magnet to the capsule in each of the switched states of the magnetic-pole direction.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: June 3, 2014
    Assignees: Olympus Corporation, Olympus Medical Systems Corp.
    Inventors: Hironobu Takizawa, Hironao Kawano, Akio Uchiyama, Shinsuke Tanaka, Atsushi Chiba
  • Patent number: 8731637
    Abstract: Provided is an intra-subject medical system which includes a body-insertable device and a physical quantity generator. The body-insertable device is to be introduced into a subject, is covered by a capsule-shaped exterior member, and includes a physical quantity detecting member which has a directivity to detect a predetermined physical quantity; at least one functional member which has a necessary function for examining or treating inside the subject; and a switch control unit which controls an on/off state or operation mode of the at least one functional member when the physical quantity detecting member detects a physical quantity. The physical quantity generator has a physical quantity emitting unit which emits a temporary physical quantity inside the subject; and a physical quantity direction changing unit which changes an emission direction of the physical quantity.
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: May 20, 2014
    Assignee: Olympus Medical Systems Corp.
    Inventors: Hironao Kawano, Hironobu Takizawa, Akio Uchiyama, Atsushi Chiba, Takeshi Yokoi, Hideo Ito, Hidetake Segawa
  • Patent number: 8692682
    Abstract: A position detection system for a detection object and a position detection method for a detection object that enable calibration without removing a detection object after the detection object is introduced into a detection space are provided.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: April 8, 2014
    Assignee: Olympus Medical Systems Corp.
    Inventors: Atsushi Kimura, Akio Uchiyama, Ryoji Sato, Atsushi Chiba
  • Publication number: 20130245398
    Abstract: A capsule-type medical device comprises a capsule main unit having functions for being inserted into the body cavity and performing medical acts such as taking images or the like. The capsule main unit comprises therein a magnet which is acted upon by external magnetism, and a spiral portion on the outer perimeter, so that rotating force acting upon the magnet is readily converted into a propelling force for propelling the capsule-type medical device. A flexible insertion portion which is long and small in diameter is provided to the capsule main unit to allow smooth progression through the body cavity, and the center of gravity of the device is placed upon the longitudinal center axis of the capsule main unit, thus facilitating smooth progression through the body cavity.
    Type: Application
    Filed: May 3, 2013
    Publication date: September 19, 2013
    Applicant: OLYMPUS CORPORATION,
    Inventors: Takeshi YOKOI, Hironobu TAKIZAWA, Akio UCHIYAMA, Hitoshi MIZUNO
  • Patent number: 8529433
    Abstract: A body-insertable apparatus system has a body insertable apparatus that is inserted into a subject and a control apparatus. The body-insertable apparatus includes a magnetic responding unit that is provided within a casing forming the body-insertable apparatus and has a magnetization direction; and a needle that is protruded and retracted with respect to a surface of the casing. The control apparatus includes a magnetic field generator that generates a magnetic field; and a control unit that causes the magnetic field generator to generate a magnetic field for changing an orientation of the magnetic responding unit based on the magnetization direction of the magnetic responding unit in the body-insertable apparatus, a position of the needle in the body-insertable apparatus, and a distal end direction of the needle, thereby changing an orientation of the entire body-insertable apparatus to enable the protruded needle to puncture a puncture target layer.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: September 10, 2013
    Assignee: Olympus Medical Systems Corp.
    Inventors: Hironao Kawano, Shinsuke Tanaka, Akio Uchiyama
  • Patent number: 8491464
    Abstract: To stably and properly monitor an inside of a body by using an easily operable placement technique, a capsule endoscope 101 to be swallowed from an oral cavity 200 to acquire in-vivo information of a subject 201 and to wirelessly output for a transmission of the in-vivo information to an outside of a body, a string member 103 that is connected to the capsule endoscope 101 for positioning the capsule endoscope 101 at a gastric cardia 202, and a fixing portion 104 that is a portion of the string member 103, is provided on a position with which a length from the capsule endoscope 101 corresponds to a length from the gastric cardia 202 to the inside of an esophageal region 203 for fixing the string member 103 that has located the capsule endoscope 101 at the gastric cardia 202 to the inside of the esophageal region 203 by an endoscopic fixture are included.
    Type: Grant
    Filed: July 10, 2006
    Date of Patent: July 23, 2013
    Assignees: Olympus Corporation, Olympus Medical Systems Corp.
    Inventors: Takeshi Yokoi, Katsumi Hirakawa, Akio Uchiyama, Shinsuke Tanaka, Hironobu Takizawa, Manabu Fujita
  • Publication number: 20130184526
    Abstract: Using a guidance system with a simple configuration, propulsive motion along a longitudinal direction and changing of the propulsion direction are easily performed with good precision and stability. There is provided a capsule-type medical apparatus which is inserted into the body of a subject and is guided by an external magnetic field, the capsule-type medical apparatus comprising: a substantially cylindrical capsule; a propulsion mechanism for converting rotary motion about a longitudinal axis R of the capsule into propulsive motion along the longitudinal axis R; a magnet accommodated inside the capsule and disposed in such a manner that the magnetic-pole direction thereof can be switched between a direction along the longitudinal axis R and a direction intersecting the longitudinal axis R; and a securing portion for securing the magnet to the capsule in each of the switched states of the magnetic-pole direction.
    Type: Application
    Filed: March 7, 2013
    Publication date: July 18, 2013
    Inventors: Hironobu Takizawa, Hironao Kawano, Akio Uchiyama, Shinsuke Tanaka, Atsushi Chiba
  • Patent number: 8469879
    Abstract: A capsule guiding system includes a capsule medical device having an imaging device that takes an in-vivo image of a subject and a magnet with a magnetization direction that is relatively fixed with respect to the imaging device; a magnetic guiding device that applies a magnetic field to the magnet in the subject and guides the capsule medical device; a display unit that displays the in-vivo image of the subject; and a control unit that causes the magnetic guiding device to apply a magnetic field in a reference direction to the magnet, initializes a rotation angle of an image taken by the imaging device when the magnetization direction of the magnet is oriented to the reference direction following the magnetic field in the reference direction, performs, referring to the image, rotation correction on subsequent in-vivo images, and causes the display unit to sequentially display the corrected in-vivo images.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: June 25, 2013
    Assignee: Olympus Medical Systems Corp.
    Inventor: Akio Uchiyama
  • Patent number: 8454495
    Abstract: A capsule medical apparatus includes a capsule exterior member and a sensor that can detect the change of an atmospheric physical quantity caused outside the exterior member in the non-contact state, and performs, based on the temporary change in atmospheric physical quantity detected by the sensor, at least one of first control for switching operation from the ON-state of energy supply to the electric circuit from the battery to the OFF-state of the energy supply and of second control for switching operation from the OFF-state of the power supply to the ON-state of the power supply, and holds the state of energy supply switched by the control until another change of atmospheric physical quantity is detected.
    Type: Grant
    Filed: August 11, 2005
    Date of Patent: June 4, 2013
    Assignee: Olympus Corporation
    Inventors: Hironao Kawano, Hironobu Takizawa, Akio Uchiyama, Hidetake Segawa, Manabu Fujita, Akira Kikuchi, Takeshi Yokoi