Patents by Inventor Kazunori Segawa

Kazunori Segawa 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: 11969141
    Abstract: [Problem to be Solved] Provided are a medical display controlling apparatus and a display controlling method capable of enhancing convenience of medical providers. [Solution] Provided is a medical display controlling apparatus including: a generating unit configured to generate a three-dimensional model of an observed object based on a right-eye medical captured image and a left-eye medical captured image taken by an imaging device configured to image the observed object; and a display controller configured to cause a display screen to display a combination of the three-dimensional model with a right-eye special light observation image and a left-eye special light observation image, or a combination of the three-dimensional model with biological information acquired from an external biological information acquiring apparatus.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: April 30, 2024
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventor: Kazunori Segawa
  • Publication number: 20240130609
    Abstract: A medical observation system includes a white light source that emits white light, an infrared light source that emits infrared light, a light source controller that performs control to alternately repeat a first mode and a second mode in chronological order, in the first mode the white light source is caused to emit the white light, and in the second mode the infrared light source is caused to emit the infrared light and the white light source is caused to emit light with a wavelength from green to blue wavelength bands, and an imaging unit that captures a subject. Therefore, a medical observation system is provided that is configured to simultaneously perform normal observation and infrared observation without hindering the operation of an operator.
    Type: Application
    Filed: October 19, 2021
    Publication date: April 25, 2024
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Kazunori SEGAWA
  • Patent number: 11771308
    Abstract: A medical control device includes a focus controller configured to move a focus lens included in an imaging device configured to capture an object image taken in by an endoscope and generate a captured image, and control a focus position, wherein the focus controller is configured to executes remote shooting control for moving the focus lens and setting the focus position in a position of a hyperfocal distance corresponding to the endoscope in a case where an object distance from the endoscope to an object is included in a range of an object distance from the endoscope to the object at which remote shooting is performed.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: October 3, 2023
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventor: Kazunori Segawa
  • Patent number: 11684238
    Abstract: A control device includes: an acquisition unit configured to acquire first and second image signals generated by an imaging device having an autofocus function by capturing an observation target irradiated with first light and second light having different wavelength bands, respectively; a signal processor configured to detect detection information of the first and second image signals; and a controller configured to calculate a first focal length based on the detection information of the first image signal, calculate a second focal length based on the detection information of the second image signal, and set a focal length of the imaging device to capture the observation target irradiated with the second light to either the first or second focal length at least based on the detection information of the second image signal.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: June 27, 2023
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventors: Kazunori Segawa, Masataka Kado, Hiroshi Ushiroda
  • Patent number: 11348234
    Abstract: A medical image processing device includes circuitry configured to: analyze a blood flow flowing in an observation object based on a medical observation image obtained by capturing an image of the observation object; and generate a difference result between a simulation result of a blood flow flowing in a 3D model acquired in advance for the observation object and an analysis result of a blood flow flowing in the observation object.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: May 31, 2022
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventor: Kazunori Segawa
  • Publication number: 20220151472
    Abstract: A medical control device includes a focus controller configured to move a focus lens included in an imaging device configured to capture an object image taken in by an endoscope and generate a captured image, and control a focus position, wherein the focus controller is configured to executes remote shooting control for moving the focus lens and setting the focus position in a position of a hyperfocal distance corresponding to the endoscope in a case where an object distance from the endoscope to an object is included in a range of an object distance from the endoscope to the object at which remote shooting is performed.
    Type: Application
    Filed: November 5, 2021
    Publication date: May 19, 2022
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Kazunori SEGAWA
  • Publication number: 20210290036
    Abstract: A control device includes: an acquisition unit configured to acquire first and second image signals generated by an imaging device having an autofocus function by capturing an observation target irradiated with first light and second light having different wavelength bands, respectively; a signal processor configured to detect detection information of the first and second image signals; and a controller configured to calculate a first focal length based on the detection information of the first image signal, calculate a second focal length based on the detection information of the second image signal, and set a focal length of the imaging device to capture the observation target irradiated with the second light to either the first or second focal length at least based on the detection information of the second image signal.
    Type: Application
    Filed: January 22, 2021
    Publication date: September 23, 2021
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventors: Kazunori SEGAWA, Masataka KADO, Hiroshi USHIRODA
  • Publication number: 20210038342
    Abstract: [Problem to be Solved] Provided are a medical display controlling apparatus and a display controlling method capable of enhancing convenience of medical providers. [Solution] Provided is a medical display controlling apparatus including: a generating unit configured to generate a three-dimensional model of an observed object based on a right-eye medical captured image and a left-eye medical captured image taken by an imaging device configured to image the observed object; and a display controller configured to cause a display screen to display a combination of the three-dimensional model with a right-eye special light observation image and a left-eye special light observation image, or a combination of the three-dimensional model with biological information acquired from an external biological information acquiring apparatus.
    Type: Application
    Filed: January 29, 2019
    Publication date: February 11, 2021
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Kazunori SEGAWA
  • Publication number: 20200311917
    Abstract: A medical image processing device includes circuitry configured to: analyze a blood flow flowing in an observation object based on a medical observation image obtained by capturing an image of the observation object; and generate a difference result between a simulation result of a blood flow flowing in a 3D model acquired in advance for the observation object and an analysis result of a blood flow flowing in the observation object.
    Type: Application
    Filed: February 19, 2020
    Publication date: October 1, 2020
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Kazunori SEGAWA
  • Publication number: 20200306003
    Abstract: Provided is a medical control apparatus including an imaging control unit that adjusts an inward angle which is an angle formed by an imaging direction in a first imaging device that captures a medical image for the right eye and an imaging direction in a second imaging device that captures a medical image for the left eye to the inward angle corresponding to a display device that displays the medical image for the right eye and the medical image for the left eye.
    Type: Application
    Filed: September 10, 2018
    Publication date: October 1, 2020
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventors: Shinji KATSUKI, Motoaki KOBAYASHI, Tomonori ISHIKAWA, Kazunori SEGAWA
  • Patent number: 9380931
    Abstract: An endoscope apparatus includes an objective optical system that is provided at a distal end portion of an insertion portion of an endoscope which can be inserted into a body cavity of a subject; a temperature sensor unit that detects a temperature of the distal end portion; a heating unit that can generate heat for preventing fogging of the objective optical system; a timer that measures a time period during which the temperature of the distal end portion detected by the temperature sensor unit is equal to or lower than a predetermined temperature; and a control unit that performs control so as to cause the heating unit to generate the heat when the time period measured by the timer continues for a predetermined time period or longer.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: July 5, 2016
    Assignee: OLYMPUS CORPORATION
    Inventor: Kazunori Segawa
  • Publication number: 20150190042
    Abstract: An endoscope apparatus includes an objective optical system that is provided at a distal end portion of an insertion portion of an endoscope which can be inserted into a body cavity of a subject; a temperature sensor unit that detects a temperature of the distal end portion; a heating unit that can generate heat for preventing fogging of the objective optical system; a timer that measures a time period during which the temperature of the distal end portion detected by the temperature sensor unit is equal to or lower than a predetermined temperature; and a control unit that performs control so as to cause the heating unit to generate the heat when the time period measured by the timer continues for a predetermined time period or longer.
    Type: Application
    Filed: March 18, 2015
    Publication date: July 9, 2015
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Kazunori SEGAWA
  • Patent number: 8659647
    Abstract: An image pickup apparatus includes an image pickup section that acquires an image by image pickup of an object and acquire digital data of the image, a determining section that determines whether there are a predetermined number or more of consecutive bits with a first bit value or a second bit value in data per pixel included in the digital data, a bit value inversion processing section that inverts, when a determination result that there are the predetermined number or more of consecutive bits with the first or the second bit value is obtained, the bit values so that a ratio between the first bit value and the second bit value included in the corresponding pixel data becomes a predetermined ratio, and a serial conversion section that serializes and outputs the respective bit values of the digital data obtained as the processing result of the bit value inversion processing section.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: February 25, 2014
    Assignee: Olympus Medical Systems Corp.
    Inventor: Kazunori Segawa
  • Patent number: 8602978
    Abstract: A temperature control apparatus for an endoscope includes: a temperature detection section that detects a temperature of an object to be heated, the object to be heated being heated by a heater; a semiconductor switch that performs switching between supply and shut off of the power to the heater; a control section that controls the semiconductor switch to perform temperature control for the object to be heated, and performs heating stopping control to turn the semiconductor switch off; a mechanical switch that performs switching between continuity and shut off of a power line; and a heating stopping circuit that if an abnormality occurs in temperature control for the heater, performs heating stopping control to turn the mechanical switch off.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: December 10, 2013
    Assignee: Olympus Medical Systems Corp.
    Inventor: Kazunori Segawa
  • Publication number: 20130235173
    Abstract: An image pickup apparatus includes an image pickup section that acquires an image by image pickup of an object and acquire digital data of the image, a determining section that determines whether there are a predetermined number or more of consecutive bits with a first bit value or a second bit value in data per pixel included in the digital data, a bit value inversion processing section that inverts, when a determination result that there are the predetermined number or more of consecutive bits with the first or the second bit value is obtained, the bit values so that a ratio between the first bit value and the second bit value included in the corresponding pixel data becomes a predetermined ratio, and a serial conversion section that serializes and outputs the respective bit values of the digital data obtained as the processing result of the bit value inversion processing section.
    Type: Application
    Filed: February 22, 2013
    Publication date: September 12, 2013
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Kazunori SEGAWA
  • Patent number: 8480567
    Abstract: An endoscope system includes: an LVDS driver that outputs a differential signal; a differential transmission line that transmits the differential signal outputted from the LVDS driver; a pulse transformer including, in order to input the differential signal transmitted by the differential transmission line, two input terminals connected to an end of the differential transmission line; a resistor functioning as a bypass impedance element connected on an input side of the pulse transformer, to which the differential signal is inputted, in parallel to the pulse transformer and having, at a predetermined noise frequency of noise mixed in the differential transmission line, impedance smaller than circuit impedance of a circuit to which the pulse transformer, which is connected in parallel to the bypass impedance element, is connected; and a dielectric disposed between the two input terminals of the pulse transformer and between lines of the differential transmission line.
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: July 9, 2013
    Assignee: Olympus Medical Systems Corp.
    Inventor: Kazunori Segawa
  • Publication number: 20120265012
    Abstract: An endoscope system includes: an LVDS driver that outputs a differential signal; a differential transmission line that transmits the differential signal outputted from the LVDS driver; a pulse transformer including, in order to input the differential signal transmitted by the differential transmission line, two input terminals connected to an end of the differential transmission line; a resistor functioning as a bypass impedance element connected on an input side of the pulse transformer, to which the differential signal is inputted, in parallel to the pulse transformer and having, at a predetermined noise frequency of noise mixed in the differential transmission line, impedance smaller than circuit impedance of a circuit to which the pulse transformer, which is connected in parallel to the bypass impedance element, is connected; and a dielectric disposed between the two input terminals of the pulse transformer and between lines of the differential transmission line.
    Type: Application
    Filed: April 4, 2012
    Publication date: October 18, 2012
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Kazunori SEGAWA
  • Patent number: 7938774
    Abstract: An endoscope apparatus of the invention includes an endoscope, camera control unit (CCU), and a trocar. The endoscope includes a heater and a temperature sensor. The CCU is configured to include a resistance value-voltage value conversion section, an analog-digital conversion section, voltage value-temperature table conversion section, a control voltage calculation section, an digital-analog conversion section, a voltage amplification section, a switch control section, and a switch. The trocar 5 includes an insertion detection sensor.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: May 10, 2011
    Assignee: Olympus Medical Systems Corporation
    Inventor: Kazunori Segawa
  • Publication number: 20070149856
    Abstract: An endoscope apparatus of the invention includes an endoscope, camera control unit (CCU), and a trocar. The endoscope includes a heater and a temperature sensor. The CCU is configured to include a resistance value-voltage value conversion section, an analog-digital conversion section, voltage value-temperature table conversion section, a control voltage calculation section, an digital-analog conversion section, a voltage amplification section, a switch control section, and a switch. The trocar 5 includes an insertion detection sensor.
    Type: Application
    Filed: December 27, 2006
    Publication date: June 28, 2007
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Kazunori Segawa