Patents by Inventor Yuji KUTSUMA

Yuji KUTSUMA 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: 11882995
    Abstract: An endoscope system includes a light source that irradiates a predetermined first and second narrowband light; an imaging sensor that captures an image of return light of the first narrowband light and the second narrowband light from the subject, and generates an image signal of the image; and a processor being configured to identify a first color of a first portion and a second color of a second portion based on a difference of an optical density with respect to hemoglobin in the image signal in every frame of the image, the first portion corresponding to a bleeding area, and the second portion corresponding to an area other than the bleeding area within the subject, and correct the first color and the second color based on the identified first and second color while maintaining a color difference between the identified first and second color in a predetermined range.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: January 30, 2024
    Assignee: OLYMPUS CORPORATION
    Inventor: Yuji Kutsuma
  • Patent number: 11497390
    Abstract: An endoscope apparatus includes a color image pickup device, a light source device configured to simultaneously illuminate the subject with light in a first wavelength band having a spectral characteristic of a narrow band having a peak in a range from a wavelength of 585 nm to a wavelength of 615 nm and light in a second wavelength band having a spectral characteristic for making, among a red signal, a green signal, and a blue signal, a pixel value of the red signal smallest, and a processor configured to assign either one of the red signal generated by return light from the subject illuminated with the light in the first wavelength band and the green signal or the blue signal generated by return light from the subject illuminated with the light in the second wavelength band to each of output channels corresponding to the respective colors in a display device.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: November 15, 2022
    Assignee: OLYMPUS CORPORATION
    Inventor: Yuji Kutsuma
  • Patent number: 11298011
    Abstract: A processing device to which an endoscope inserted into a subject is connected includes: an image processor configured to execute image processing based on a setting value set in advance relating to the image processing on image data; a recorder configured to record setting information as setting values for respective multiple sets of image processing, the setting values being determined according to a combination of: at least one of identification information and observation light information; and each of multiple modes; an acquisition unit configured to acquire: at least one of the identification information and the observation light information; and information about one of the multiple modes selected by a user; and a setting unit configured to set the setting information specified based on a result of acquisition as the setting values used in the image processing.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: April 12, 2022
    Assignee: OLYMPUS CORPORATION
    Inventor: Yuji Kutsuma
  • Publication number: 20200260940
    Abstract: An endoscope apparatus includes a color image pickup device, a light source device configured to simultaneously illuminate the subject with light in a first wavelength band having a spectral characteristic of a narrow band having a peak in a range from a wavelength of 585 nm to a wavelength of 615 nm and light in a second wavelength band having a spectral characteristic for making, among a red signal, a green signal, and a blue signal, a pixel value of the red signal smallest, and a processor configured to assign either one of the red signal generated by return light from the subject illuminated with the light in the first wavelength band and the green signal or the blue signal generated by return light from the subject illuminated with the light in the second wavelength band to each of output channels corresponding to the respective colors in a display device.
    Type: Application
    Filed: May 5, 2020
    Publication date: August 20, 2020
    Applicant: OLYMPUS CORPORATION
    Inventor: Yuji KUTSUMA
  • Patent number: 10702133
    Abstract: An image processing device includes a processor including hardware. The processor is configured to: acquire an image data including an annular side observation image and a direct view observation image forming a circle formed from a center of the side observation image to an inner circle; in a case of normal observation in which electronic zooming processing is not performed, generate a first display image including a boundary portion between the side observation image and the direct view observation image in a display area; and in a case of magnified observation in which the electronic zooming processing is performed, generate a second display image in which a boundary portion between the side observation image and the direct view observation image is shielded by a mask.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: July 7, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Hironori Nakagawa, Yuji Kutsuma
  • Patent number: 10568497
    Abstract: A first signal processing apparatus includes: an image processing unit configured to at least execute a composition process of generating composed image information in which first image information or second image information and textual information are superimposed; and a control unit configured to control the process of the image processing unit in accordance with communication with a second signal processing apparatus. The control unit selects either one of the first image information and the second image information, and when the second image information is selected, the control unit outputs a first command for instructing the second signal processing apparatus not to superimpose the second image information and the textual information related to the second image information, and causes the image processing unit to generate composite image information in which the second image information and the textual information related to the second image information are superimposed.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: February 25, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Hironori Nakagawa, Tatsuhiko Suzuki, Tomoki Iwasaki, Susumu Hashimoto, Toshihiro Hamada, Yuji Kutsuma
  • Patent number: 10512393
    Abstract: A video processor includes an identification section configured to identify a kind of an endoscope, an electronic zoom processing section configured to magnify by a first magnification factor and a second magnification factor larger than the first magnification factor, and a mode setting section configured to set to a first mode of enabling selection of a first processing pattern, and a second processing pattern, when connection of a super-wide angle endoscope is identified, and set to a second mode enabling selection of the second processing pattern when connection of a single visual field endoscope is identified, wherein when the mode setting section performs electronic zoom processing by the second magnification factor in the first mode, the electronic zoom processing section cuts out an image so that only the optical image of the forward visual field is displayed and magnifies the image with the second magnification factor.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: December 24, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Tatsuhiko Suzuki, Yuji Kutsuma, Hironori Nakagawa
  • Patent number: 10506915
    Abstract: A first signal processing apparatus, to which a first endoscope apparatus including a first image sensor is detachably attached and communicably connected with a second signal processing apparatus to which a second endoscope apparatus including a second image sensor is attached, the first signal processing apparatus being configured to process a first imaging signal generated by the first image sensor or a second image signal generated by the second image sensor, includes a control unit configured to control a process inside the first signal processing apparatus in accordance with communication with the second signal processing apparatus. The control unit processes the first imaging signal when a first command is received, and when a second command is received, the control unit controls the process inside the first signal processing apparatus to make the process of the second imaging signal to correspond to the second command.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: December 17, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Tomoki Iwasaki, Tatsuhiko Suzuki, Susumu Hashimoto, Yuji Kutsuma, Toshihiro Hamada, Hironori Nakagawa
  • Publication number: 20190350448
    Abstract: An endoscope system includes a light source that irradiates a predetermined first and second narrowband light; an imaging sensor that captures an image of return light of the first narrowband light and the second narrowband light from the subject, and generates an image signal of the image; and a processor being configured to identify a first color of a first portion and a second color of a second portion based on a difference of an optical density with respect to hemoglobin in the image signal in every frame of the image, the first portion corresponding to a bleeding area, and the second portion corresponding to an area other than the bleeding area within the subject, and correct the first color and the second color based on the identified first and second color while maintaining a color difference between the identified first and second color in a predetermined range.
    Type: Application
    Filed: July 30, 2019
    Publication date: November 21, 2019
    Applicant: OLYMPUS CORPORATION
    Inventor: Yuji KUTSUMA
  • Publication number: 20190082942
    Abstract: A processing device to which an endoscope inserted into a subject is connected includes: an image processor configured to execute image processing based on a setting value set in advance relating to the image processing on image data; a recorder configured to record setting information as setting values for respective multiple sets of image processing, the setting values being determined according to a combination of: at least one of identification information and observation light information; and each of multiple modes; an acquisition unit configured to acquire: at least one of the identification information and the observation light information; and information about one of the multiple modes selected by a user; and a setting unit configured to set the setting information specified based on a result of acquisition as the setting values used in the image processing.
    Type: Application
    Filed: November 19, 2018
    Publication date: March 21, 2019
    Applicant: OLYMPUS CORPORATION
    Inventor: Yuji KUTSUMA
  • Publication number: 20190053694
    Abstract: An image processing device includes a processor including hardware. The processor is configured to: acquire an image data including an annular side observation image and a direct view observation image forming a circle formed from a center of the side observation image to an inner circle; in a case of normal observation in which electronic zooming processing is not performed, generate a first display image including a boundary portion between the side observation image and the direct view observation image in a display area; and in a case of magnified observation in which the electronic zooming processing is performed, generate a second display image in which a boundary portion between the side observation image and the direct view observation image is shielded by a mask.
    Type: Application
    Filed: October 23, 2018
    Publication date: February 21, 2019
    Applicant: OLYMPUS CORPORATION
    Inventors: Hironori NAKAGAWA, Yuji KUTSUMA
  • Patent number: 10210610
    Abstract: An image processing apparatus processes a first image signal including pixel signals, the first image signal having a picture portion in which a subject is shown and having a blank portion surrounding the picture portion. The apparatus includes: a blank detection unit configured to set similar frames different in size from one another within a display area of a screen representing the first image signal, in a stepwise manner from an outer periphery, and to detect the blank portion based on whether or not a part of the pixel signals belonging to a region outside each of the similar frames has the uniform color or brightness; a region-of-interest setting unit configured to set an initial region-of-interest corresponding to the picture portion in the first image signal, based on the blank portion; and a region-of-interest image generation unit configured to generate a region-of-interest image signal representing the initial region-of-interest.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: February 19, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Tomoki Iwasaki, Tatsuhiko Suzuki, Susumu Hashimoto, Yuji Kutsuma, Toshihiro Hamada
  • Publication number: 20180296077
    Abstract: A video processor includes an identification section configured to identify a kind of an endoscope, an electronic zoom processing section configured to magnify by a first magnification factor and a second magnification factor larger than the first magnification factor, and a mode setting section configured to set to a first mode of enabling selection of a first processing pattern, and a second processing pattern, when connection of a super-wide angle endoscope is identified, and set to a second mode enabling selection of the second processing pattern when connection of a single visual field endoscope is identified, wherein when the mode setting section performs electronic zoom processing by the second magnification factor in the first mode, the electronic zoom processing section cuts out an image so that only the optical image of the forward visual field is displayed and magnifies the image with the second magnification factor.
    Type: Application
    Filed: June 12, 2018
    Publication date: October 18, 2018
    Applicant: OLYMPUS CORPORATION
    Inventors: Tatsuhiko SUZUKI, Yuji KUTSUMA, Hironori NAKAGAWA
  • Patent number: 10015436
    Abstract: An image playback apparatus includes: a moving image processing unit configured to generate playback-oriented moving image data from moving image data as a playback target, among moving image data recorded on a recording device; a display controller configured to play back, on a display device, the playback-oriented moving image data generated by the moving image processing unit; a release instruction input unit configured to receive input of a release signal during playback of the playback-oriented moving image data; a still image generation unit configured to generate, from the moving image data, still image data that correspond to a playback image being played back on the display device at a time of input of the release signal; and a recording controller configured to record, on the recording device, the still image data generated by the still image generation unit, in association with the moving image data.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: July 3, 2018
    Assignee: OLYMPUS CORPORATION
    Inventors: Susumu Hashimoto, Tatsuhiko Suzuki, Tomoki Iwasaki, Yuji Kutsuma, Toshihiro Hamada
  • Patent number: 9913569
    Abstract: A display control device comprises an image acquiring unit which acquires observation image data, an image recording unit which records recorded image data, an image synthesizing unit which generates synthesized image data based on the observation image data and the recorded image data, a first selector, a second selector, and a selector interlock controller. The first selector outputs one of the observation image data and the synthesized image data to a first display device as first selected data. The second selector outputs one of the first selected data and the recorded image data to a second display device as second selected data. The selector interlock controller interlocks and controls the first selector 122 and the second selector 124.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: March 13, 2018
    Assignee: OLYMPUS CORPORATION
    Inventors: Toshihiro Hamada, Tatsuhiko Suzuki, Tomoki Iwasaki, Susumu Hashimoto, Yuji Kutsuma
  • Publication number: 20180049629
    Abstract: A first signal processing apparatus includes: an image processing unit configured to at least execute a composition process of generating composed image information in which first image information or second image information and textual information are superimposed; and a control unit configured to control the process of the image processing unit in accordance with communication with a second signal processing apparatus. The control unit selects either one of the first image information and the second image information, and when the second image information is selected, the control unit outputs a first command for instructing the second signal processing apparatus not to superimpose the second image information and the textual information related to the second image information, and causes the image processing unit to generate composite image information in which the second image information and the textual information related to the second image information are superimposed.
    Type: Application
    Filed: November 1, 2017
    Publication date: February 22, 2018
    Applicant: OLYMPUS CORPORATION
    Inventors: Hironori NAKAGAWA, Tatsuhiko SUZUKI, Tomoki IWASAKI, Susumu HASHIMOTO, Toshihiro HAMADA, Yuji KUTSUMA
  • Publication number: 20180042454
    Abstract: A first signal processing apparatus, to which a first endoscope apparatus including a first image sensor is detachably attached and communicably connected with a second signal processing apparatus to which a second endoscope apparatus including a second image sensor is attached, the first signal processing apparatus being configured to process a first imaging signal generated by the first image sensor or a second image signal generated by the second image sensor, includes a control unit configured to control a process inside the first signal processing apparatus in accordance with communication with the second signal processing apparatus. The control unit processes the first imaging signal when a first command is received, and when a second command is received, the control unit controls the process inside the first signal processing apparatus to make the process of the second imaging signal to correspond to the second command.
    Type: Application
    Filed: October 30, 2017
    Publication date: February 15, 2018
    Applicant: OLYMPUS CORPORATION
    Inventors: Tomoki IWASAKI, Tatsuhiko SUZUKI, Susumu HASHIMOTO, Yuji KUTSUMA, Toshihiro HAMADA, Hironori NAKAGAWA
  • Patent number: 9894258
    Abstract: An image pickup apparatus includes a light source apparatus emitting a first or a second illumination light to an object, an image pickup device acquiring an image of the object, and a CPU switching between a first mode where the image is picked up with the first illumination light and a second mode where the image is picked up with the second illumination light, being able to set at least one of a processing parameter for processing an image and a brightness control parameter before switching the illumination light to the illumination light corresponding to the mode or after switching to the corresponding illumination light is completed, and controlling whether the processing parameter is set before switching of the illumination light is started or after switching is completed according to the mode switching from the first to the second mode or from the second to the first mode.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: February 13, 2018
    Assignee: OLYMPUS CORPORATION
    Inventors: Tomoki Iwasaki, Kazuma Kaneko, Susumu Hashimoto, Yuji Kutsuma, Soichiro Koshika
  • Patent number: 9861267
    Abstract: A video processor for an endoscope includes an image memory, an image processing unit, a display control unit and a recording unit. The image memory stores, as a sample image, an endoscope image which a user previously acquired. The image processing unit performs the image processing for changing an image quality of the sample image in accordance with a selection value selected by a user and produces a processed image. The display control unit causes a display unit to display the processed image. The recording unit records, as a setting value, a value relating to the selection value determined by the user. The image processing unit performs the image processing, based on the setting value, for the endoscope image.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: January 9, 2018
    Assignee: OLYMPUS CORPORATION
    Inventors: Tatsuhiko Suzuki, Tomoki Iwasaki, Susumu Hashimoto, Toshihiro Hamada, Yuji Kutsuma
  • Patent number: 9826169
    Abstract: An image pickup apparatus includes: an image pickup device configured to pick up an optical image formed by an objective optical system and generate an image; a cut-out range setting portion configured to set a cut-out area so that a center comes close to a field-of-view center as a zoom magnification set by an electronic zoom setting portion increases; and a zoom processing portion configured to cut out the set cut-out area from the image, perform enlargement or reduction corresponding to the zoom magnification and generate a zoomed image.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: November 21, 2017
    Assignee: OLYMPUS CORPORATION
    Inventors: Tatsuhiko Suzuki, Tomoki Iwasaki, Susumu Hashimoto, Toshihiro Hamada, Yuji Kutsuma