Patents by Inventor Yuuichi TAKENAGA

Yuuichi TAKENAGA 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: 11889205
    Abstract: An imaging apparatus includes a lens on which light from one subject is incident, a spectral prism including a first surface reflecting, at a first reflectance, first light having a first wavelength, and a second surface reflecting, at a second reflectance, having a second wavelength, a first imaging unit capturing a first image of the subject at a first depth of field based on the first light reflected by the first surface, a second imaging unit capturing a second image of the subject at a second depth of field based on the second light reflected by the second surface, a third imaging unit capturing a third image of the subject at a third depth of field based on third light transmitted through the first surface or the second surface, and a signal processing unit synthesizing the first image, the second image, and the third image, and outputting the synthesized image.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: January 30, 2024
    Assignee: I-PRO CO., LTD.
    Inventors: Jyouji Wada, Yota Hashimoto, Hayato Wachi, Yuuichi Takenaga
  • Patent number: 11736784
    Abstract: A three-plate camera includes an IR prism that causes an IR image sensor to receive incident IR light of light from an observation part, a visible prism that causes a visible image sensor to receive incident visible light of light from the observation part, a specific prism that causes a specific image sensor to receive incident light of a specific wavelength band of light from the observation part, and a video signal processing unit that generates an IR video signal, a visible video signal, and a specific video signal of the observation part based on respective imaging outputs of the IR image sensor, the visible image sensor, and the specific image sensor, combines the IR video signal, the visible video signal, and the specific video signal, and outputs a combined video signal to a monitor.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: August 22, 2023
    Assignee: I-PRO CO., LTD.
    Inventors: Yuji Kiniwa, Yota Hashimoto, Yuuichi Takenaga
  • Patent number: 11637995
    Abstract: A 3 MOS camera includes a first prism that has a first reflection film which reflects IR light that causes a first image sensor to receive the IR light, a second prism that has a second reflection film which reflects A % (A: a predetermined real number) visible light and that causes a second image sensor to receive the A % visible light, a third prism that causes a third image sensor to receive a (100?A)% visible light, and a video signal processor that combines a first video signal, a second video signal, and a third video signal of an observation part. The video signal processor performs pixel shifting on one of the second video signal and the third video signal having substantially same brightness to generate a fourth video signal and outputs a video signal obtained by combining the fourth video signal and the first video signal.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: April 25, 2023
    Assignee: I-PRO CO., LTD.
    Inventors: Yuji Kiniwa, Yota Hashimoto, Yuuichi Takenaga
  • Publication number: 20220247937
    Abstract: An imaging apparatus includes a lens on which light from one subject is incident, a spectral prism including a first surface reflecting, at a first reflectance, first light having a first wavelength, and a second surface reflecting, at a second reflectance, having a second wavelength, a first imaging unit capturing a first image of the subject at a first depth of field based on the first light reflected by the first surface, a second imaging unit capturing a second image of the subject at a second depth of field based on the second light reflected by the second surface, a third imaging unit capturing a third image of the subject at a third depth of field based on third light transmitted through the first surface or the second surface, and a signal processing unit synthesizing the first image, the second image, and the third image, and outputting the synthesized image.
    Type: Application
    Filed: January 27, 2022
    Publication date: August 4, 2022
    Applicant: PANASONIC I-PRO SENSING SOLUTIONS CO., LTD.
    Inventors: Jyouji WADA, Yota HASHIMOTO, Hayato WACHI, Yuuichi TAKENAGA
  • Patent number: 11252382
    Abstract: A 3 MOS camera includes a first prism that causes a first image sensor to receive IR light of light from an observation part, a second prism that causes a second image sensor to receive visible light of A % (A: a predetermined real number) of the light from the observation part, a third prism that causes a third image sensor to receive remaining visible light of (100?A) % of the light from the observation part, and a video signal processor that combines a color video signal based on imaging outputs of the second image sensor and the third image sensor and an IR video signal based on an imaging output of the first image sensor and outputs the combined signal to a monitor, the second image sensor and the third image sensor being respectively bonded to positions optically shifted by substantially one pixel.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: February 15, 2022
    Assignee: PANASONIC I-PRO SENSING SOLUTIONS CO., LTD.
    Inventors: Yuji Kiniwa, Yota Hashimoto, Yuuichi Takenaga
  • Publication number: 20220038610
    Abstract: A 3 MOS camera includes a first prism that causes a first image sensor to receive IR light of light from an observation part, a second prism that causes a second image sensor to receive visible light of A % (A: a predetermined real number) of the light from the observation part, a third prism that causes a third image sensor to receive remaining visible light of (100-A)% of the light from the observation part, and a video signal processor that combines a color video signal based on imaging outputs of the second image sensor and the third image sensor and an IR video signal based on an imaging output of the first image sensor and outputs the combined signal to a monitor, the second image sensor and the third image sensor being respectively bonded to positions optically shifted by substantially one pixel.
    Type: Application
    Filed: December 23, 2020
    Publication date: February 3, 2022
    Applicant: PANASONIC I-PRO SENSING SOLUTIONS CO., LTD.
    Inventors: Yuji KINIWA, Yota HASHIMOTO, Yuuichi TAKENAGA
  • Publication number: 20210337170
    Abstract: A 3 MOS camera includes a first prism that has a first reflection film which reflects IR light that causes a first image sensor to receive the IR light, a second prism that has a second reflection film which reflects A % (A: a predetermined real number) visible light and that causes a second image sensor to receive the A % visible light, a third prism that causes a third image sensor to receive a (100?A)% visible light, and a video signal processor that combines a first video signal, a second video signal, and a third video signal of an observation part. The video signal processor performs pixel shifting on one of the second video signal and the third video signal having substantially same brightness to generate a fourth video signal and outputs a video signal obtained by combining the fourth video signal and the first video signal.
    Type: Application
    Filed: July 8, 2021
    Publication date: October 28, 2021
    Applicant: Panasonic i-PRO Sensing Solutions Co., Ltd.
    Inventors: Yuji KINIWA, Yota HASHIMOTO, Yuuichi TAKENAGA
  • Publication number: 20210329153
    Abstract: A three-plate camera includes an IR prism that causes an IR image sensor to receive incident IR light of light from an observation part, a visible prism that causes a visible image sensor to receive incident visible light of light from the observation part, a specific prism that causes a specific image sensor to receive incident light of a specific wavelength band of light from the observation part, and a video signal processing unit that generates an IR video signal, a visible video signal, and a specific video signal of the observation part based on respective imaging outputs of the IR image sensor, the visible image sensor, and the specific image sensor, combines the IR video signal, the visible video signal, and the specific video signal, and outputs a combined video signal to a monitor.
    Type: Application
    Filed: April 16, 2021
    Publication date: October 21, 2021
    Applicant: PANASONIC I-PRO SENSING SOLUTIONS CO., LTD.
    Inventors: Yuji KINIWA, Yota HASHIMOTO, Yuuichi TAKENAGA
  • Patent number: 11089271
    Abstract: A 3 MOS camera includes a first prism that has a first reflection film which reflects IR light that causes a first image sensor to receive the IR light, a second prism that has a second reflection film which reflects A % (A: a predetermined real number) visible light and that causes a second image sensor to receive the A % visible light, a third prism that causes a third image sensor to receive a (100?A) % visible light, and a video signal processor that combines a first video signal, a second video signal, and a third video signal of an observation part. The video signal processor performs pixel shifting on one of the second video signal and the third video signal having substantially same brightness to generate a fourth video signal and outputs a video signal obtained by combining the fourth video signal and the first video signal.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: August 10, 2021
    Assignee: PANASONIC I-PRO SENSING SOLUTIONS CO., LTD.
    Inventors: Yuji Kiniwa, Yota Hashimoto, Yuuichi Takenaga
  • Publication number: 20210127977
    Abstract: A 3 MOS camera includes a first prism that has a first reflection film which reflects IR light that causes a first image sensor to receive the IR light, a second prism that has a second reflection film which reflects A % (A: a predetermined real number) visible light and that causes a second image sensor to receive the A % visible light, a third prism that causes a third image sensor to receive a (100?A) % visible light, and a video signal processor that combines a first video signal, a second video signal, and a third video signal of an observation part. The video signal processor performs pixel shifting on one of the second video signal and the third video signal having substantially same brightness to generate a fourth video signal and outputs a video signal obtained by combining the fourth video signal and the first video signal.
    Type: Application
    Filed: October 30, 2020
    Publication date: May 6, 2021
    Applicant: PANASONIC I-PRO SENSING SOLUTIONS CO., LTD.
    Inventors: Yuji KINIWA, Yota HASHIMOTO, Yuuichi TAKENAGA
  • Patent number: 10716463
    Abstract: An endoscope includes: an aperture portion having an opening to which light from an observation target site is incident; a filter unit that has a plurality of filters and selectively transmits light based on any one of the filters; a color separation prism that is formed by a plurality of separation prisms which separate light, which has transmitted through the filter unit, into beams of light having different color components from each other; a plurality of image sensors that are provided so as to respectively correspond to the separation prisms and capture an image based on the beams of light; a signal output unit that outputs image signals captured by the image sensors respectively; and a filter disposing unit that disposes any one of the plurality of filters so that the light is incident to the disposed one of the plurality of filters.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: July 21, 2020
    Assignee: PANASONIC I-PRO SENSING SOLUTIONS CO., LTD.
    Inventors: Seiji Higashiyama, Yuuichi Takenaga, Haruyasu Katahira
  • Patent number: 10609351
    Abstract: Disclosed is an endoscope including: a four-color separation prism configured to separate light from an object into three primary colors of light and infrared light; four image sensors configured to convert optical images of the separated three primary colors of light and an optical image of the separated infrared light into electrical signals; and an output device configured to output the converted electrical signals.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: March 31, 2020
    Assignee: PANASONIC I-PRO SENSING SOLUTIONS CO., LTD.
    Inventors: Yuuichi Takenaga, Haruyasu Katahira
  • Patent number: 10560671
    Abstract: A medical camera includes a camera head having a first a first color separation prism, a second color separation prism, a third color separation prism, and a fourth color separation prism. The four color separation prisms respectively separate light incident from an affected area into a blue, red and green color components, and an infrared (IR) component. A light emission surface of the first color separation prism is disposed opposite to a light emission surface of the second color separation prism. A light emission surface of the third color separation prism is disposed across an incident ray which is incident vertically to an object side incident surface of the first color separation prism.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: February 11, 2020
    Assignee: PANASONIC I-PRO SENSING SOLUTIONS CO., LTD.
    Inventors: Yota Hashimoto, Haruyasu Katahira, Yuuichi Takenaga
  • Publication number: 20190306479
    Abstract: Disclosed is an endoscope including: a four-color separation prism configured to separate light from an object into three primary colors of light and infrared light; four image sensors configured to convert optical images of the separated three primary colors of light and an optical image of the separated infrared light into electrical signals; and an output device configured to output the converted electrical signals.
    Type: Application
    Filed: June 19, 2019
    Publication date: October 3, 2019
    Inventors: Yuuichi TAKENAGA, Haruyasu KATAHIRA
  • Patent number: 10412355
    Abstract: Disclosed is an endoscope including: a four-color separation prism configured to separate light from an object into three primary colors of light and infrared light; four image sensors configured to convert optical images of the separated three primary colors of light and an optical image of the separated infrared light into electrical signals; and an output device configured to output the converted electrical signals.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: September 10, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yuuichi Takenaga, Haruyasu Katahira
  • Publication number: 20190199980
    Abstract: A medical camera includes a camera head having a first a first color separation prism, a second color separation prism, a third color separation prism, and a fourth color separation prism. The four color separation prisms respectively separate light incident from an affected area into a blue, red and green color components, and an infrared (IR) component. A light emission surface of the first color separation prism is disposed opposite to a light emission surface of the second color separation prism. A light emission surface of the third color separation prism is disposed across an incident ray which is incident vertically to an object side incident surface of the first color separation prism.
    Type: Application
    Filed: March 4, 2019
    Publication date: June 27, 2019
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yota HASHIMOTO, Haruyasu KATAHIRA, Yuuichi TAKENAGA
  • Publication number: 20190124303
    Abstract: A four color separation prism includes a first color separation prism, a second color separation prism, a third color separation prism, and a fourth color separation prism, which respectively separate light incident from an affected area into a blue, red and green color components, and an infrared (IR) component. The first color separation prism, the second color separation prism, the third color separation prism, and the fourth color separation prism are sequentially disposed from an object side when receiving the light incident from the affected area.
    Type: Application
    Filed: December 21, 2018
    Publication date: April 25, 2019
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yota HASHIMOTO, Haruyasu KATAHIRA, Yuuichi TAKENAGA
  • Patent number: 10271024
    Abstract: A four color separation prism includes a first color separation prism, a second color separation prism, a third color separation prism, and a fourth color separation prism, which respectively separate light incident from an affected area into a blue, red and green color components, and an infrared (IR) component. The first color separation prism, the second color separation prism, the third color separation prism, and the fourth color separation prism are sequentially disposed from an object side when receiving the light incident from the affected area.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: April 23, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yota Hashimoto, Haruyasu Katahira, Yuuichi Takenaga
  • Publication number: 20190098272
    Abstract: Disclosed is an endoscope including: a four-color separation prism configured to separate light from an object into three primary colors of light and infrared light; four image sensors configured to convert optical images of the separated three primary colors of light and an optical image of the separated infrared light into electrical signals; and an output device configured to output the converted electrical signals.
    Type: Application
    Filed: November 30, 2018
    Publication date: March 28, 2019
    Inventors: Yuuichi TAKENAGA, Haruyasu KATAHIRA
  • Patent number: 10244213
    Abstract: A four color separation endoscope prism includes a four color separation prism having a first color separation prism, a second color separation prism, a third color separation prism, and a fourth color separation prism which respectively separate light incident from an affected area into a blue, red and green color components, and an infrared (IR) component. The first color separation prism, the second color separation prism, the third color separation prism, and the fourth color separation prism are sequentially disposed from an object side when receiving the light incident from the affected area.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: March 26, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yota Hashimoto, Haruyasu Katahira, Yuuichi Takenaga