Patents by Inventor Koji Kojima

Koji Kojima 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: 20250089983
    Abstract: A medical control device includes: a captured image acquisition unit configured to acquire a captured image generated by an image sensor capturing a subject image introduced by an endoscope; a luminance calculation unit configured to calculate a luminance level of the subject image included in the captured image; and a dimming controller configured to control a light amount of irradiation light onto a subject and an electronic shutter of the image sensor based on the luminance level, and execute first dimming control of narrowing the electronic shutter before reducing the light amount as the luminance level increases.
    Type: Application
    Filed: December 5, 2024
    Publication date: March 20, 2025
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Koji KOJIMA
  • Patent number: 12193633
    Abstract: A medical control device includes: a captured image acquisition unit configured to acquire a captured image generated by an image sensor capturing a subject image introduced by an endoscope; a luminance calculation unit configured to calculate a luminance level of the subject image included in the captured image; and a dimming controller configured to control a light amount of irradiation light onto a subject and an electronic shutter of the image sensor based on the luminance level, and execute first dimming control of narrowing the electronic shutter before reducing the light amount as the luminance level increases.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: January 14, 2025
    Assignee: Sony Olympus Medical Solutions Inc.
    Inventor: Koji Kojima
  • Publication number: 20240414442
    Abstract: A medical control device includes: a dimming control unit configured to control an operation of a light source device configured to emit first light and second light, and adjust light amounts of the first and the second light; and an imaging control unit configured to control an operation of an imaging device including at least one imaging element, irradiate an observation target with the first light to capture return light of the first light via the observation target to generate a first captured image, and irradiate the observation target with the second light to capture return light of the second light via the observation target to generate a second captured image. The imaging control unit is configured to execute changing an exposure period of the imaging element, and discarding image information generated by the imaging element according to light reception in a partial period of the exposure period.
    Type: Application
    Filed: May 30, 2024
    Publication date: December 12, 2024
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Koji KOJIMA
  • Patent number: 12133637
    Abstract: A medical observation system according to the present invention includes: an observation optical system configured to guide an observation light from a subject; an imaging unit configured to receive an observation light from the observation optical system and generate an image signal; and an image processing unit configured to apply signal processing to the image signal generated by the imaging unit, wherein the image processing unit includes a filter detection unit configured to detect, based on a signal value of a color which includes a wavelength band of a specific light in a preset wavelength band of the image signal, whether or not an observation-side filter for cutting the specific light is disposed on an optical path of the observation light.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: November 5, 2024
    Assignee: Sony Olympus Medical Solutions Inc.
    Inventor: Koji Kojima
  • Publication number: 20240315530
    Abstract: A medical image processing apparatus includes: a processing module configured to process image information acquired by an endoscope; and a processor configured to control an operation of the processing module. The processor is configured to change processing contents by the processing module based on a type of the connected endoscope.
    Type: Application
    Filed: February 20, 2024
    Publication date: September 26, 2024
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventors: Yusuke TAKENOUCHI, Koji KOJIMA
  • Patent number: 12089818
    Abstract: A light source control device includes a light source controller configured to: cause a first light source to emit light in a visible wavelength band in a first entire line exposure period, which is an entire line exposure period in which all horizontal lines in an effective pixel area are simultaneously exposed; cause a second light source to emit excitation light in a second entire line exposure period, which is different from the first entire line exposure period; and cause the excitation light to be emitted in an excitation light emission period including the second entire line exposure period and a period, which is adjacent to the second entire line exposure period and is at least a part of a readout period during which charges accumulated in the plurality of pixels are read out, when controlling an operation of the second light source.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: September 17, 2024
    Assignee: Sony Olympus Medical Solutions Inc.
    Inventor: Koji Kojima
  • Patent number: 12059133
    Abstract: A light source apparatus, a medical observation system, an adjustment apparatus, an illumination method, an adjustment method, and a program that enable performing light modulation on a semiconductor light source through PWM control and current control without the necessary of a complicated work are provided. A light source apparatus 3 includes a first light source section 31 that emits a first light, a second light source section 32 that emits a second light, and a light source control section 33 that controls each of a pulse emission time and a pulse emission intensity of the first light and performs a control that changes one of a pulse emission time and a pulse emission intensity of the second light with the other one of the pulse emission time and the pulse emission intensity of the second light fixed.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: August 13, 2024
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventor: Koji Kojima
  • Patent number: 11963977
    Abstract: The technology described herein relates to methods, assays, and compositions relating to causing a cell to assume a more pluripotent state, e.g. without introducing foreign genetic material.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: April 23, 2024
    Assignee: VCell Therapeutics Inc.
    Inventors: Charles A. Vacanti, Martin P. Vacanti, Koji Kojima
  • Publication number: 20230308768
    Abstract: A medical control device includes: a driving mode switch configured to switch a driving mode of a rolling shutter type image sensor in which a plurality of pixels are two-dimensionally arrayed in units of horizontal lines; and a dimming controller configured to control a light emitting element configured to emit light according to a supplied current, and switch control of the light emitting element according to the driving mode.
    Type: Application
    Filed: June 2, 2023
    Publication date: September 28, 2023
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Koji KOJIMA
  • Publication number: 20230255460
    Abstract: An image processing apparatus includes, among other things, a control unit that adjusts luminance of a first image and luminance of a second image by adjusting a first control parameter for controlling at least one of a first light source, a first imaging unit, or a first image processing unit and a second control parameter for controlling at least one of a second light source, a second imaging unit, or a second image processing unit on the basis of luminance information of the superimposed image.
    Type: Application
    Filed: January 19, 2023
    Publication date: August 17, 2023
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Koji KOJIMA
  • Patent number: 11700456
    Abstract: A medical control device includes: a driving mode switch configured to switch a driving mode of a rolling shutter type image sensor in which a plurality of pixels are two-dimensionally arrayed in units of horizontal lines; and a dimming controller configured to control a light emitting element configured to emit light according to a supplied current, and switch control of the light emitting element according to the driving mode.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: July 11, 2023
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventor: Koji Kojima
  • Patent number: 11612041
    Abstract: A light source device includes: light sources; a detector configured to detect light amounts; and a processor configured to: control the light sources to emit light beams by applying a pulse current with a pulse width larger than a predetermined pulse width to the light sources before the processor makes a shift to a strobe observation mode; set a pulse current value at which a ratio of the light amounts of the light beams emitted by the plurality of light sources becomes a predetermined ratio for the plurality of light sources based on a detection result detected by the detector under a state where the pulse current with the pulse width larger than the predetermined pulse width is applied to the plurality of light sources; and make the shift to the strobe observation mode while maintaining the pulse current value for realizing the predetermined ratio.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: March 21, 2023
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventor: Koji Kojima
  • Patent number: 11583165
    Abstract: A medical signal processing device includes: an acquisition unit is configured to acquire a first image signal acquired by emission of first light onto an object, and a second image signal acquired by emission of second light onto the object, the first light being in a wavelength band including visible light, and the second light exciting a fluorescent substance included in the object; a detection unit configured to detect each of a signal level of the visible light included in the first image signal and a signal level of fluorescence included in the second image signal; and a calculation unit configured to calculate a correction coefficient to correct the signal level of the fluorescence by using a result of the detection by the detection unit.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: February 21, 2023
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventor: Koji Kojima
  • Publication number: 20220225857
    Abstract: A medical control device includes: a captured image acquisition unit configured to acquire a captured image generated by an image sensor capturing a subject image introduced by an endoscope; a luminance calculation unit configured to calculate a luminance level of the subject image included in the captured image; and a dimming controller configured to control a light amount of irradiation light onto a subject and an electronic shutter of the image sensor based on the luminance level, and execute first dimming control of narrowing the electronic shutter before reducing the light amount as the luminance level increases.
    Type: Application
    Filed: October 19, 2021
    Publication date: July 21, 2022
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Koji KOJIMA
  • Publication number: 20220166912
    Abstract: A medical control device includes: a driving mode switch configured to switch a driving mode of a rolling shutter type image sensor in which a plurality of pixels are two-dimensionally arrayed in units of horizontal lines; and a dimming controller configured to control a light emitting element configured to emit light according to a supplied current, and switch control of the light emitting element according to the driving mode.
    Type: Application
    Filed: September 20, 2021
    Publication date: May 26, 2022
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Koji KOJIMA
  • Publication number: 20220160219
    Abstract: A light source control device includes a light source controller configured to: cause a first light source to emit light in a visible wavelength band in a first entire line exposure period, which is an entire line exposure period in which all horizontal lines in an effective pixel area are simultaneously exposed; cause a second light source to emit excitation light in a second entire line exposure period, which is different from the first entire line exposure period; and cause the excitation light to be emitted in an excitation light emission period including the second entire line exposure period and a period, which is adjacent to the second entire line exposure period and is at least a part of a readout period during which charges accumulated in the plurality of pixels are read out, when controlling an operation of the second light source.
    Type: Application
    Filed: October 12, 2021
    Publication date: May 26, 2022
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Koji KOJIMA
  • Publication number: 20220151474
    Abstract: A medical image processing device includes: fluorescence image acquisition circuitry configured to acquire a fluorescence image; and a fluorescence image processor configured to execute image processing on the fluorescence image.
    Type: Application
    Filed: August 9, 2021
    Publication date: May 19, 2022
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventors: Narumi SATO, Koji KOJIMA
  • Publication number: 20220133140
    Abstract: A light source apparatus, a medical observation system, an adjustment apparatus, an illumination method, an adjustment method, and a program that enable performing light modulation on a semiconductor light source through PWM control and current control without the necessary of a complicated work are provided. A light source apparatus 3 includes a first light source section 31 that emits a first light, a second light source section 32 that emits a second light, and a light source control section 33 that controls each of a pulse emission time and a pulse emission intensity of the first light and performs a control that changes one of a pulse emission time and a pulse emission intensity of the second light with the other one of the pulse emission time and the pulse emission intensity of the second light fixed.
    Type: Application
    Filed: January 17, 2020
    Publication date: May 5, 2022
    Applicant: Sony Olympus Medical Solutions Inc.
    Inventor: Koji KOJIMA
  • Publication number: 20220064593
    Abstract: The technology described herein relates to methods, assays, and compositions relating to causing a cell to assume a more pluripotent state, e.g. without introducing foreign genetic material.
    Type: Application
    Filed: November 15, 2021
    Publication date: March 3, 2022
    Inventors: Charles A. Vacanti, Koji Kojima
  • Patent number: 11242508
    Abstract: The technology described herein relates to methods, assays, and compositions relating to causing a cell to assume a more pluripotent state, e.g. without introducing foreign genetic material.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: February 8, 2022
    Assignee: VCELL THERAPEUTICS, INC.
    Inventors: Charles A. Vacanti, Koji Kojima