Patents by Inventor Reiji KOYAMA

Reiji KOYAMA 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: 20200305686
    Abstract: An endoscope including: a bending portion; a first traction member and a second traction member that causes the bending portion to bend; a first rotary member that pulls the first traction member; a first plate member on which the first rotary member and the first traction member are disposed; a first protrusion; a first positioning part that comes into contact with the first rotary member; a second rotary member that pulls the second traction member; a second plate member; a second protrusion; and a second positioning part that comes into contact with the second rotary member.
    Type: Application
    Filed: June 12, 2020
    Publication date: October 1, 2020
    Applicant: OLYMPUS CORPORATION
    Inventor: Reiji KOYAMA
  • Publication number: 20200288945
    Abstract: An insertion apparatus includes a first exterior member, a second exterior member, and a sealing member disposed at a connection part and being configured to deform elastically, and a convex portion disposed in a spaced-apart manner from the sealing member in a longitudinal axis direction or in a circumferential direction, and being configured to position the first exterior member with respect to the second exterior member in the longitudinal axis direction and in the circumferential direction.
    Type: Application
    Filed: May 29, 2020
    Publication date: September 17, 2020
    Applicant: OLYMPUS CORPORATION
    Inventors: Mitsuru KANEKO, Shohei UEHARA, Reiji KOYAMA
  • Publication number: 20200069150
    Abstract: The disclosed technology is directed to an endoscope having respective first and second operations, a movable member, respective support and friction members, a cam member and a click mechanism all of which are engaged with one another to operate the endoscope during an operation. First and second operation members are disposed in the endoscope and are rotationally operated around a predetermined axis to carry out operation of the endoscope. A movable member is disposed inside the first operation member and is movable between a first position and a second position. A cam member having a cam surface that is made with an inclination with respect to the predetermined axis and abuts against part of the movable member. A click mechanism holds the cam member at the first position or the second position.
    Type: Application
    Filed: November 5, 2019
    Publication date: March 5, 2020
    Applicant: Olympus Corporation
    Inventors: Yuta Nakai, Reiji Koyama
  • Patent number: 10357143
    Abstract: An endoscope includes a plate member to which a member be operated to bend a bendable portion is fixed and which includes a through hole, and a tubular unit formed in a tubular shape to make a fluid flow and including a coupling portion which functions as a protruding portion disposed so as to be protruded from an outer surface. The endoscope further includes a positioning mechanism which positions the plate member and the tubular unit relative to each other so as to dispose the protruding portion around a periphery of the through hole including the through hole.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: July 23, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Reiji Koyama, Shohei Uehara
  • Patent number: 10197784
    Abstract: An operation mechanism for an insertion device includes a moving section, an operation section configured to operate the moving section, a frame body fixed in the operation section, a long member movable along the frame body according to the operation of the operation section, a first tabular member provided between the frame body and the long member in the operation section, and a plurality of first projecting sections projecting from the first tabular member to the frame body side and disposed in a plurality of holes of the frame body.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: February 5, 2019
    Assignee: OLYMPUS CORPORATION
    Inventor: Reiji Koyama
  • Patent number: 10168528
    Abstract: An endoscope includes: a bending portion; an operation portion; a frame body; a first long member; a second long member; a chain separator; a second chain cover; and a restriction surface formed on the chain separator and configured to restrict movement of the second chain cover in a direction away from the chain separator, wherein the restriction surface forms an engagement portion configured to engage the second chain cover with the chain separator.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: January 1, 2019
    Assignee: OLYMPUS CORPORATION
    Inventor: Reiji Koyama
  • Publication number: 20170265719
    Abstract: An endoscope including: a bending portion; a first traction member and a second traction member that causes the bending portion to bend; a first rotary member that pulls the first traction member; a first plate member on which the first rotary member and the first traction member are disposed; a first protrusion; a first positioning part that comes into contact with the first rotary member; a second rotary member that pulls the second traction member; a second plate member; a second protrusion; and a second positioning part that comes into contact with the second rotary member.
    Type: Application
    Filed: June 1, 2017
    Publication date: September 21, 2017
    Applicant: OLYMPUS CORPORATION
    Inventor: Reiji KOYAMA
  • Publication number: 20170150870
    Abstract: An endoscope includes a plate member to which a member be operated to bend a bendable portion is fixed and which includes a through hole, and a tubular unit formed in a tubular shape to make a fluid flow and including a coupling portion which functions as a protruding portion disposed so as to be protruded from an outer surface. The endoscope further includes a positioning mechanism which positions the plate member and the tubular unit relative to each other so as to dispose the protruding portion around a periphery of the through hole including the through hole.
    Type: Application
    Filed: February 14, 2017
    Publication date: June 1, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Reiji KOYAMA, Shohei UEHARA
  • Publication number: 20170065152
    Abstract: An endoscope includes: an insertion portion configured to be inserted into a subject; a plate-like member provided on a proximal end side of the insertion portion, the plate-like member allowing a mechanism component for operating the insertion portion to be arranged on the plate-like member, the plate-like member having a predetermined thickness dimension; an attachment portion formed by flexing an end portion of the plate-like member in a predetermined direction; and a fixing portion configured to fix at least part of another member within a range of the thickness of the plate-like member, the fixing portion being formed inside the attachment portion.
    Type: Application
    Filed: November 18, 2016
    Publication date: March 9, 2017
    Applicant: OLYMPUS CORPORATION
    Inventor: Reiji KOYAMA
  • Publication number: 20170007106
    Abstract: An endoscope includes a bending section, an operation section including first and second operation sections, a grasping section housing, an exterior housing, a main frame, first and second towing members, first and second towing-member-adjusting sections, a first fixing member for fixing the first-towing-member-adjusting section, and a second fixing member for fixing the second-towing-member-adjusting section. The first and second fixing members are formed by flat plates having a same shape, selected to be fixed to the main frame with one end side directed to the insertion section on the first operation section side or fixed with the other end side directed to the insertion section on the second operation section side, and formed asymmetrically with respect to the center axis orthogonal to a direction in which the first and second towing members extend such that fixed sections are closer to the one end side than the other end side.
    Type: Application
    Filed: September 19, 2016
    Publication date: January 12, 2017
    Applicant: OLYMPUS CORPORATION
    Inventor: Reiji KOYAMA
  • Publication number: 20160367112
    Abstract: By causing a screw receiving portion to protrude from a cord fastening device side of a main frame and by forming the screw receiving portion in a cup-like stepped shape that is recessed from a lower-side chain cover side toward a lower surface side of the main frame, a thickness of a bottom portion of the cup shape in which a screw hole is formed can be formed to be equal to a plate thickness of the main frame. Further, a depth of a concave portion of the screw receiving portion is formed to be a depth such that a distal end portion of a screw to be used does not protrude from the main frame.
    Type: Application
    Filed: September 1, 2016
    Publication date: December 22, 2016
    Applicant: OLYMPUS CORPORATION
    Inventor: Reiji KOYAMA
  • Publication number: 20160357006
    Abstract: An endoscope includes: a bending portion; an operation portion; a frame body; a first long member; a second long member; a chain separator; a second chain cover; and a restriction surface formed on the chain separator and configured to restrict movement of the second chain cover in a direction away from the chain separator, wherein the restriction surface forms an engagement portion configured to engage the second chain cover with the chain separator.
    Type: Application
    Filed: August 16, 2016
    Publication date: December 8, 2016
    Applicant: OLYMPUS CORPORATION
    Inventor: Reiji KOYAMA
  • Publication number: 20160266374
    Abstract: An operation mechanism for an insertion device includes a moving section, an operation section configured to operate the moving section, a frame body fixed in the operation section, a long member movable along the frame body according to the operation of the operation section, a first tabular member provided between the frame body and the long member in the operation section, and a plurality of first projecting sections projecting from the first tabular member to the frame body side and disposed in a plurality of holes of the frame body.
    Type: Application
    Filed: May 25, 2016
    Publication date: September 15, 2016
    Applicant: OLYMPUS CORPORATION
    Inventor: Reiji KOYAMA
  • Patent number: 9351631
    Abstract: A bending angle adjustment mechanism for an endoscope includes a rod member that is disposed along a traveling path of a long member that is connected to a bending portion that is bendable and is pulled, a support member made of metal that is integrally provided to support both ends of the rod member, an adjustment piece that is engaged with the rod member, is movable along the rod member, and restricts movement of the long member, a guide member made of resin having a guide surface for guiding movement of the adjustment piece, wherein the guide member is fixed in a state in which the guide member is sandwiched between the adjustment piece and the support member so that the guide surface is disposed in a position capable of guiding the adjustment piece.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: May 31, 2016
    Assignee: OLYMPUS CORPORATION
    Inventor: Reiji Koyama
  • Patent number: 9271634
    Abstract: A bending angle adjustment mechanism includes a rod member that is disposed along a traveling path of a long member that is connected to a bending portion that is bendable and has a threaded portion formed thereon, an adjustment piece that is disposed in a predetermined position of the rod member by being engaged with the threaded portion, and restricts movement of the long member, a head portion that is provided at an end portion of the rod member to rotate the rod member, a support member that is provided at both ends of the rod member and rotatably supports the rod member, and a convex portion that protrudes to be higher than a lower edge position of an outer circumferential edge portion of the head portion while keeping the head portion of the rod member which is supported by the support member, in a rotatable state.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: March 1, 2016
    Assignee: OLYMPUS CORPORATION
    Inventor: Reiji Koyama
  • Publication number: 20150025319
    Abstract: A bending angle adjustment mechanism for an endoscope includes a rod member that is disposed along a traveling path of a long member that is connected to a bending portion that is bendable and is pulled, a support member made of metal that is integrally provided to support both ends of the rod member, an adjustment piece that is engaged with the rod member, is movable along the rod member, and restricts movement of the long member, a guide member made of resin having a guide surface for guiding movement of the adjustment piece, wherein the guide member is fixed in a state in which the guide member is sandwiched between the adjustment piece and the support member so that the guide surface is disposed in a position capable of guiding the adjustment piece.
    Type: Application
    Filed: July 29, 2014
    Publication date: January 22, 2015
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Reiji KOYAMA
  • Publication number: 20140357954
    Abstract: A bending angle adjustment mechanism includes a rod member that is disposed along a traveling path of a long member that is connected to a bending portion that is bendable and has a threaded portion formed thereon, an adjustment piece that is disposed in a predetermined position of the rod member by being engaged with the threaded portion, and restricts movement of the long member, a head portion that is provided at an end portion of the rod member to rotate the rod member, a support member that is provided at both ends of the rod member and rotatably supports the rod member, and a convex portion that protrudes to be higher than a lower edge position of an outer circumferential edge portion of the head portion while keeping the head portion of the rod member which is supported by the support member, in a rotatable state.
    Type: Application
    Filed: July 10, 2014
    Publication date: December 4, 2014
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Reiji KOYAMA
  • Publication number: 20100268031
    Abstract: An electrically bending endoscope includes a driven unit including an insertion portion extending in a longitudinally axial direction, and a driving unit to be attached to and detached from a proximal end portion of the driven unit. The driving unit includes a driving portion to produce driving force, and a driving transmission mechanism to transmit the driving force and including a driving coupling portion. The driven unit includes a bending portion provided in the insertion portion and to be operated to be bent by the driving force, and a driven transmission mechanism to transmit the driving force to the bending portion and including a driven coupling portion to be coupled with and separated from the driving coupling portion. The driving unit includes a detecting portion connected to the driving portion and to detect a load produced in the driving transmission mechanism corresponding to a load in the driven transmission mechanism.
    Type: Application
    Filed: April 15, 2010
    Publication date: October 21, 2010
    Inventor: Reiji KOYAMA