Patents by Inventor Daiki ARIYOSHI
Daiki ARIYOSHI 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).
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Patent number: 11457796Abstract: An endoscope apparatus includes a display control system configured to calculate at least one index indicating a degree of abnormality of an object, according to a color included in an acquired object image, and to generate a display image in which the at least one index is identifiably displayed based on a predetermined threshold value that is set independently of the object image.Type: GrantFiled: December 10, 2019Date of Patent: October 4, 2022Assignee: OLYMPUS CORPORATIONInventor: Daiki Ariyoshi
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Patent number: 11363939Abstract: An endoscope system includes a light source configured to generate either one of first illumination light and second illumination light, an image pickup apparatus configured to obtain an image by picking up an image of an object, and a processor. The processor is configured to make an instruction to set an observation mode of the endoscope system at either one of a first observation mode and a second observation mode, detect an observation state at a time of observing the object based on a feature value calculated from pixel values included in pixels forming a first image, and invalidate an instruction to set the observation mode of the endoscope system at the second observation mode when the observation state at the time of observing the object is not an appropriate observation state.Type: GrantFiled: December 16, 2020Date of Patent: June 21, 2022Assignee: OLYMPUS CORPORATIONInventors: Daiki Ariyoshi, Risa Arai
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Publication number: 20210137370Abstract: An endoscope system includes a light source apparatus configured to generate first/second illumination light, an image pickup apparatus, a switching instruction device configured to be able to set one of a first observation mode in which an image obtained by image pickup of an object illuminated with the first illumination light is displayed and a second observation mode in which an image obtained by processing a color/pattern of an image obtained by image pickup of the object illuminated with the second illumination light is displayed and a processor configured to calculate a feature value indicating movement of a distal end portion of an endoscope and disable an instruction for setting the second observation mode when the feature value is equal to or higher than a predetermined threshold.Type: ApplicationFiled: December 18, 2020Publication date: May 13, 2021Applicant: OLYMPUS CORPORATIONInventors: Risa ARAI, Daiki ARIYOSHI
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Publication number: 20210100426Abstract: An endoscope system includes a light source configured to generate either one of first illumination light and second illumination light, an image pickup apparatus configured to obtain an image by picking up an image of an object, and a processor. The processor is configured to make an instruction to set an observation mode of the endoscope system at either one of a first observation mode and a second observation mode, detect an observation state at a time of observing the object based on a feature value calculated from pixel values included in pixels forming a first image, and invalidate an instruction to set the observation mode of the endoscope system at the second observation mode when the observation state at the time of observing the object is not an appropriate observation state.Type: ApplicationFiled: December 16, 2020Publication date: April 8, 2021Applicant: OLYMPUS CORPORATIONInventors: Daiki ARIYOSHI, Risa ARAI
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Publication number: 20200107699Abstract: An endoscope apparatus includes a display control system configured to calculate at least one index indicating a degree of abnormality of an object, according to a color included in an acquired object image, and to generate a display image in which the at least one index is identifiably displayed based on a predetermined threshold value that is set independently of the object image.Type: ApplicationFiled: December 10, 2019Publication date: April 9, 2020Applicant: OLYMPUS CORPORATIONInventor: Daiki ARIYOSHI
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ENDOSCOPE OBSERVATION SYSTEM, AND INSERTION GUIDE AND HOLDING MEMBER OF ENDOSCOPE OBSERVATION SYSTEM
Publication number: 20180129032Abstract: An endoscope observation system includes: a scanning type endoscope including an emission optical fiber configured to emit emission light from an emission end, an actuator configured to cause the emission end to swing, a protection pipe with the emission optical fiber and the actuator attached inside, and a light receiving portion positioned at a distal end portion; an insertion guide configured to guide insertion of the scanning type endoscope into the object along a guide wall; and a holding member arranged between the scanning type endoscope and the guide wall and configured to hold the scanning type endoscope so that a position of the scanning type endoscope is not displaced by swinging of the emission optical fiber.Type: ApplicationFiled: November 9, 2016Publication date: May 10, 2018Applicant: OLYMPUS CORPORATIONInventors: Daiki ARIYOSHI, Atsuyoshi Shimamoto, Soichiro Koshika -
Patent number: 9835845Abstract: A scanning endoscope includes: a light guide portion configured to guide an illuminating light that is emitted from a light source portion and irradiate an object with the illuminating light; an actuator configured to drive so as to cause a distal end of a light guide portion to scan, in order to scan the guided illuminating light over an object; a holding portion configured to hold the actuator; a rigid tubular member having a space that encloses the light guide portion, the actuator and the holding portion; and a connection portion that is interposed between the tubular member and the holding portion, and is configured to hold the holding portion at a prescribed position within the tubular member and to change shape in a circumferential direction that takes a longitudinal direction of the light guide portion as an axis when the tubular member or holding portion receives a force.Type: GrantFiled: November 17, 2016Date of Patent: December 5, 2017Assignee: OLYMPUS CORPORATIONInventors: Soichiro Koshika, Yuji Sakai, Hiroyuki Takizawa, Daiki Ariyoshi
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Patent number: 9823467Abstract: A scanning type endoscope includes a light guide section configured to guide illumination light, a ferrule provided along the light guide section, an actuator configured to vibrate the ferrule to thereby swing a distal end of the light guide section, a cylindrical member configured to include a space containing the light guide section, the ferrule and the actuator and being provided along the light guide section, and a damping section configured to fix the ferrule to the cylindrical member and absorb vibration of the ferrule, in which the damping section is formed of a ferrule holding member configured to hold a proximal end of the ferrule and a ring-shaped member configured to fix the ferrule holding member to the cylindrical member, be disposed near a joint in the cylindrical member connected to holding member and be made of a material that absorbs vibration of the ferrule.Type: GrantFiled: January 23, 2017Date of Patent: November 21, 2017Assignee: OLYMPUS CORPORATIONInventors: Yuji Sakai, Hiroyuki Takizawa, Daiki Ariyoshi, Soichiro Koshika
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Patent number: 9753281Abstract: A scanning endoscope includes: an optical fiber that guides light emitted from a light source section, and emits the light from a distal end; an actuator that expands and contracts to scan with the light emitted from the distal end of the optical fiber; a ferrule that transmits, to the optical fiber, force corresponding to the expansion and contraction of the actuator; a ferrule holding part that holds the ferrule; a lens holding part that is formed of a cylindrical member provided outside the optical fiber along the optical fiber, and holds a lens, the lens receiving the light emitted from the distal end of the optical fiber; and an absorption part that absorbs vibration, in a longitudinal direction of the cylindrical member, of at least one of the ferrule holding part and the lens holding part.Type: GrantFiled: September 20, 2016Date of Patent: September 5, 2017Assignee: OLYMPUS CORPORATIONInventors: Hiroyuki Takizawa, Yuji Sakai, Daiki Ariyoshi, Soichiro Koshika
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Publication number: 20170131541Abstract: A scanning type endoscope includes a light guide section configured to guide illumination light, a ferrule provided along the light guide section, an actuator configured to vibrate the ferrule to thereby swing a distal end of the light guide section, a cylindrical member configured to include a space containing the light guide section, the ferrule and the actuator and being provided along the light guide section, and a damping section configured to fix the ferrule to the cylindrical member and absorb vibration of the ferrule, in which the damping section is formed of a ferrule holding member configured to hold a proximal end of the ferrule and a ring-shaped member configured to fix the ferrule holding member to the cylindrical member, be disposed near a joint in the cylindrical member connected to holding member and be made of a material that absorbs vibration of the ferrule.Type: ApplicationFiled: January 23, 2017Publication date: May 11, 2017Applicant: OLYMPUS CORPORATIONInventors: Yuji SAKAI, Hiroyuki TAKIZAWA, Daiki ARIYOSHI, Soichiro KOSHIKA
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Publication number: 20170068088Abstract: A scanning endoscope includes: a light guide portion configured to guide an illuminating light that is emitted from a light source portion and irradiate an object with the illuminating light; an actuator configured to drive so as to cause a distal end of a light guide portion to scan, in order to scan the guided illuminating light over an object; a holding portion configured to hold the actuator; a rigid tubular member having a space that encloses the light guide portion, the actuator and the holding portion; and a connection portion that is interposed between the tubular member and the holding portion, and is configured to hold the holding portion at a prescribed position within the tubular member and to change shape in a circumferential direction that takes a longitudinal direction of the light guide portion as an axis when the tubular member or holding portion receives a force.Type: ApplicationFiled: November 17, 2016Publication date: March 9, 2017Applicant: OLYMPUS CORPORATIONInventors: Soichiro KOSHIKA, Yuji SAKAI, Hiroyuki TAKIZAWA, Daiki ARIYOSHI
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Publication number: 20170065156Abstract: A scanning-type endoscope includes: a scanning portion including a light guiding portion and an actuator configured to oscillate a distal end of the light guiding portion; a cylindrical member provided along the light guiding portion; and a holding portion provided on the cylindrical member and configured to hold the scanning portion at a predetermined position on a plane perpendicular to a longitudinal direction of the cylindrical member and configured so that the scanning portion is slidable in the longitudinal direction.Type: ApplicationFiled: November 17, 2016Publication date: March 9, 2017Applicant: OLYMPUS CORPORATIONInventors: Daiki ARIYOSHI, Yuji SAKAI, Soichiro KOSHIKA, Hiroyuki TAKIZAWA
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Publication number: 20170010460Abstract: A scanning endoscope includes: an optical fiber that guides light emitted from a light source section, and emits the light from a distal end; an actuator that expands and contracts to scan with the light emitted from the distal end of the optical fiber; a ferrule that transmits, to the optical fiber, force corresponding to the expansion and contraction of the actuator; a ferrule holding part that holds the ferrule; a lens holding part that is formed of a cylindrical member provided outside the optical fiber along the optical fiber, and holds a lens, the lens receiving the light emitted from the distal end of the optical fiber; and an absorption part that absorbs vibration, in a longitudinal direction of the cylindrical member, of at least one of the ferrule holding part and the lens holding part.Type: ApplicationFiled: September 20, 2016Publication date: January 12, 2017Applicant: OLYMPUS CORPORATIONInventors: Hiroyuki TAKIZAWA, Yuji SAKAI, Daiki ARIYOSHI, Soichiro KOSHIKA
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Patent number: 8937652Abstract: An endoscope apparatus includes a flash memory that stores a reference value of a color balance adjustment value of an endoscopic image of an endoscope that picks up an object through a polarizer. The endoscope calculates, from the reference value and the color balance adjustment value of the endoscope after elapse of a predetermined time period, an amount of change in the color balance adjustment value; judges whether or not the calculated amount of change is equal to or larger than a predetermined threshold; and, when the amount of change is equal to or larger than the predetermined threshold, outputs a predetermined output.Type: GrantFiled: March 14, 2014Date of Patent: January 20, 2015Assignee: Olympus Medical Systems Corp.Inventors: Daiki Ariyoshi, Kazuhiro Gono, Kenji Yamazaki, Ryo Machida
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Patent number: 8803959Abstract: The invention includes: a light source section generating illumination lights in plural different wavelength bands; a first polarization element polarizing, in a first direction, a light in a first wavelength band among the illumination lights or returned lights from a subject; a second polarization element polarizing, in a second direction, a light in a second wavelength band among the illumination lights or returned lights; an image pickup device generating a first image pickup signal based on polarized light from the first polarization element and a second image pickup signal based on polarized light from the second polarization element; and an image processing section that compares intensities of the first and second image pickup signals, calculates the first or second direction corresponding to the image pickup signal having a higher intensity, as a polarization direction of the subject, and outputs a signal for displaying information on the polarization direction.Type: GrantFiled: June 10, 2013Date of Patent: August 12, 2014Assignee: Olympus Medical Systems Corp.Inventor: Daiki Ariyoshi
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Publication number: 20140204188Abstract: An endoscope apparatus includes a flash memory that stores a reference value of a color balance adjustment value of an endoscopic image of an endoscope that picks up an object through a polarizer. The endoscope calculates, from the reference value and the color balance adjustment value of the endoscope after elapse of a predetermined time period, an amount of change in the color balance adjustment value; judges whether or not the calculated amount of change is equal to or larger than a predetermined threshold; and, when the amount of change is equal to or larger than the predetermined threshold, outputs a predetermined output.Type: ApplicationFiled: March 14, 2014Publication date: July 24, 2014Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Daiki ARIYOSHI, Kazuhiro GONO, Kenji YAMAZAKI, Ryo MACHIDA
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Patent number: 8663098Abstract: A scanning endoscope apparatus includes: a light source; first and second polarization sections; third and fourth polarization sections; a first wavelength separation section; a second wavelength separation section; a first detection section; and a second detection section.Type: GrantFiled: December 7, 2012Date of Patent: March 4, 2014Assignee: Olympus Medical Systems Corp.Inventors: Tomoko Shimada, Masahiro Yoshino, Daiki Ariyoshi, Makoto Igarashi
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Publication number: 20130314519Abstract: The invention includes: a light source section generating illumination lights in plural different wavelength bands; a first polarization element polarizing, in a first direction, a light in a first wavelength band among the illumination lights or returned lights from a subject; a second polarization element polarizing, in a second direction, a light in a second wavelength band among the illumination lights or returned lights; an image pickup device generating a first image pickup signal based on polarized light from the first polarization element and a second image pickup signal based on polarized light from the second polarization element; and an image processing section that compares intensities of the first and second image pickup signals, calculates the first or second direction corresponding to the image pickup signal having a higher intensity, as a polarization direction of the subject, and outputs a signal for displaying information on the polarization direction.Type: ApplicationFiled: June 10, 2013Publication date: November 28, 2013Applicant: Olympus Medical Systems Corp.Inventor: Daiki ARIYOSHI