Patents by Inventor Takayuki TSUKAGOSHI
Takayuki TSUKAGOSHI 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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Image processing device, image processing method, endoscope system, and endoscope observation method
Patent number: 11793391Abstract: An image processing device includes: one or more processors including hardware. The one or more processors are configured to: calculate, on a basis of a reference image acquired by capturing an image of a reference subject which has an optical characteristic that is equivalent to at least a part of a living body, image transformation parameters through congruence transformation that transforms a coordinate corresponding to a color of target region included in the reference image defined in a color space into a coordinate corresponding to an achromatic color in the color space; and perform, in the color space on a basis of the calculated image transformation parameters, the congruence transformation of colors of a color image acquired by capturing an image of the living body, the color image being constituted by at least two monochromatic image corresponding to different illumination having different center wavelengths.Type: GrantFiled: February 18, 2021Date of Patent: October 24, 2023Assignee: OLYMPUS CORPORATIONInventors: Ryosuke Ito, Yuki Shono, Takayuki Tsukagoshi, Yohei Tanikawa -
Patent number: 11759098Abstract: An endoscope apparatus including: a light source configured to emit illumination light including light in a first wavelength band included in a blue wavelength band, light in a first narrowband included in a green wavelength band, and light in a second narrowband having a same light absorption coefficient of hemoglobin as that of the light in the first narrowband; an imager configured to acquire a first image of an object in the first wavelength band, a first narrowband image of the object in the first narrowband, and a second narrowband image of the object in the second narrowband; and a processor including hardware. The processor is configured to implement acquiring scattering characteristics information based on a comparison result between the first narrowband image and the second narrowband image, and generating an observation image using the first image, the first narrowband image, and the scattering characteristics information.Type: GrantFiled: November 2, 2020Date of Patent: September 19, 2023Assignee: OLYMPUS CORPORATIONInventors: Jumpei Takahashi, Ryosuke Ito, Yohei Tanikawa, Takayuki Tsukagoshi, Yuki Shono
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Patent number: 11339482Abstract: A reduction catalyst body for carbon dioxide of an embodiment includes a metal layer, and a projection provided on the metal layer. The projection is constituted of an aggregate of fine metal particles, and possesses a polyhedral structure having surfaces of three faces or more of a polygon. The projection has a site of reducing carbon dioxide, as at least a part of the surfaces.Type: GrantFiled: March 8, 2018Date of Patent: May 24, 2022Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yoshitsune Sugano, Akihiko Ono, Jun Tamura, Ryota Kitagawa, Asahi Motoshige, Yuki Kudo, Masakazu Yamagiwa, Takayuki Tsukagoshi, Satoshi Mikoshiba
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Patent number: 11316101Abstract: A stack of the embodiment includes: a first magnetic substance; a second magnetic substance; and a first nonmagnetic substance which is disposed between the first magnetic substance and the second magnetic substance and contains at least one first metal element (M1) selected from the group consisting of ruthenium (Ru) and osmium (Os) and at least one second metal element (M2) selected from the group consisting of rhodium (Rh) and iridium (Ir). A magnetic device of the embodiment includes: a third magnetic substance; the stack; and a second nonmagnetic substance which is disposed between the third magnetic substance and the stack.Type: GrantFiled: March 5, 2020Date of Patent: April 26, 2022Assignee: KIOXIA CORPORATIONInventors: Rina Nomoto, Takayuki Tsukagoshi, Yasushi Nakasaki, Masaru Toko, Tadashi Kai, Takamitsu Ishihara
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Patent number: 11286573Abstract: A carbon dioxide electrolytic device comprises: an electrolysis cell including a first electrode having a first catalyst to reduce carbon dioxide, a second electrode having a second catalyst to oxidize water or hydroxide ions, a first electrode flow path facing the first electrode, a second electrode flow path facing the second electrode, and a separator separating the first and second electrodes; a power controller; a first flow path through which the carbon dioxide flows; a second flow path through which the carbon compound flows; a third flow path through which an electrolytic solution containing the water flows; a fourth flow path through which the oxygen flows; a first valve to connect the first electrode flow path and the first flow path; a second valve to connect the first electrode flow path and the second flow path; a tank connected to the first electrode flow path and configured to store a rinse solution; and a controller programmed to control opening and closing of the first and second valves in acType: GrantFiled: September 4, 2019Date of Patent: March 29, 2022Assignee: Kabushiki Kaisha ToshibaInventors: Akihiko Ono, Yuki Kudo, Ryota Kitagawa, Masakazu Yamagiwa, Jun Tamura, Satoshi Mikoshiba, Yoshitsune Sugano, Asahi Motoshige, Takayuki Tsukagoshi
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Patent number: 11255020Abstract: A carbon dioxide reduction system comprises: an electrolytic unit including an electrolysis cell having a cathode to reduce a first substance containing carbon dioxide and thus produce a first product containing a carbon compound, and an anode to oxidize a second substance containing water or hydroxide ions and thus produce a second product containing oxygen, a detection unit to acquire data defining operation states of the electrolysis cell, and an electrolytic regulator to regulate electrolysis conditions of the electrolysis cell; a compression unit including a compressor to compress the first product, and a compressor regulator to regulate compression conditions of the first product by the compressor; and a controller programmed to predict a flow rate of the carbon compound discharged from the electrolysis cell in accordance with the data to control regulation of the compression conditions in accordance with the predicted flow rate.Type: GrantFiled: September 4, 2019Date of Patent: February 22, 2022Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Akihiko Ono, Yuki Kudo, Ryota Kitagawa, Masakazu Yamagiwa, Jun Tamura, Satoshi Mikoshiba, Yoshitsune Sugano, Asahi Motoshige, Takayuki Tsukagoshi
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Publication number: 20210378729Abstract: An electrode unit includes: an electrode supporting member provided with a pair of distal end rigid members, surfaces of which are covered by an electrically insulating material, and an elastic region having lower bending rigidity than bending rigidity of each of the pair of distal end rigid members; an electrode configured with electrode bodies respectively protruding downward from the pair of distal end rigid members of the electrode supporting member and a spanning portion that spans between respective lower end portions of the electrode bodies; and an operation member provided in a proximal end rigid member, and configured to move relative to the proximal end rigid member to cause the electrode to move in a direction in which the electrode protrudes relative to the distal end rigid members.Type: ApplicationFiled: June 22, 2021Publication date: December 9, 2021Applicant: OLYMPUS CORPORATIONInventors: Soichi Ikuma, Yuji Sakai, Tsuyoshi Hayashida, Takayuki Tsukagoshi
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Publication number: 20210369327Abstract: An electrode unit configured to resect or coagulate tissue inside a subject by using a high-frequency current, including: an electrode supporting portion provided with a pair of distal end rigid portions surfaces of which are covered by an electrically insulating material, and an elastic region portion having lower bending rigidity than bending rigidity of each of the pair of distal end rigid portions, the elastic region portion being provided on a proximal end side of each of the pair of distal end rigid portions; and an electrode configured with electrode bodies respectively protruding downward from the pair of distal end rigid portions and an installation portion that installs respective lower ends of the electrode bodies.Type: ApplicationFiled: June 11, 2021Publication date: December 2, 2021Applicant: OLYMPUS CORPORATIONInventors: Soichi IKUMA, Yuji SAKAI, Tsuyoshi HAYASHIDA, Takayuki TSUKAGOSHI, Kei KUBO
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Patent number: 11111589Abstract: An electrolytic cell for carbon dioxide of an embodiment includes: an anode part including an anode to oxidize water or a hydroxide ion and thus produce oxygen and an anode solution flow path to supply an anode solution to the anode; a cathode part including a cathode to reduce carbon dioxide and thus produce a carbon compound, a cathode solution flow path to supply a cathode solution to the cathode, a gas flow path to supply the carbon dioxide to the cathode, and a hydrophobic porous body disposed between the cathode and the gas flow path; and a separator to separate the anode part and the cathode part from each other.Type: GrantFiled: September 4, 2019Date of Patent: September 7, 2021Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yuki Kudo, Akihiko Ono, Masakazu Yamagiwa, Ryota Kitagawa, Jun Tamura, Yoshitsune Sugano, Takayuki Tsukagoshi, Asahi Motoshige, Satoshi Mikoshiba
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Patent number: 11105008Abstract: A cathode part of an electrochemical reaction device comprises a conductor, a porous body, a reduction catalyst, an electrolytic solution flow path, a first flow path, and a second flow path. The conductor has a conductive surface. The porous body includes a first surface, a second surface, a first porous portion, and a second porous portion. The first surface is in contact with the conductive surface. A contact angle between an inner wall of the second porous portion and water is higher than a contact angle between an inner wall of the first porous portion and the water. The reduction catalyst is supported on the second surface to reduce carbon dioxide. The electrolytic solution flow path faces the reduction catalyst. The first flow path faces the first porous portion. The second flow path faces the second porous portion.Type: GrantFiled: September 1, 2017Date of Patent: August 31, 2021Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Masakazu Yamagiwa, Yuki Kudo, Akihiko Ono, Satoshi Mikoshiba, Jun Tamura, Ryota Kitagawa, Yoshitsune Sugano, Eishi Tsutsumi, Asahi Motoshige, Takayuki Tsukagoshi
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IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, ENDOSCOPE SYSTEM, AND ENDOSCOPE OBSERVATION METHOD
Publication number: 20210174510Abstract: An image processing device includes: one or more processors including hardware. The one or more processors are configured to: calculate, on a basis of a reference image acquired by capturing an image of a reference subject which has an optical characteristic that is equivalent to at least a part of a living body, image transformation parameters through congruence transformation that transforms a coordinate corresponding to a color of target region included in the reference image defined in a color space into a coordinate corresponding to an achromatic color in the color space; and perform, in the color space on a basis of the calculated image transformation parameters, the congruence transformation of colors of a color image acquired by capturing an image of the living body, the color image being constituted by at least two monochromatic image corresponding to different illumination having different center wavelengths.Type: ApplicationFiled: February 18, 2021Publication date: June 10, 2021Applicant: OLYMPUS CORPORATIONInventors: Ryosuke ITO, Yuki SHONO, Takayuki TSUKAGOSHI, Yohei TANIKAWA -
Publication number: 20210156040Abstract: An electrochemical reaction device comprises: an anode to oxidize water; an electrolytic solution flow path facing on the anode and through which an electrolytic solution containing the water flows; a cathode including: a porous conductive layer having first and second surfaces; and a reduction catalyst layer having a third surface disposed on the first surface and containing a reduction catalyst to reduce carbon dioxide; a separator between the anode and the cathode; a power supply connected to the anode and the cathode; and a flow path plate including: a fourth surface on the second surface; and a flow path facing on the second surface and through which the carbon dioxide flows. A ratio of an area of an overlap of the second surface and the flow path to an area of the second surface is 0.5 or more and 0.85 or less.Type: ApplicationFiled: February 2, 2021Publication date: May 27, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Akihiko ONO, Satoshi MIKOSHIBA, Yuki KUDO, Masakazu YAMAGIWA, Jun TAMURA, Yoshitsune SUGANO, Ryota KITAGAWA, Eishi TSUTSUMI, Asahi MOTOSHIGE, Takayuki TSUKAGOSHI
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Publication number: 20210076922Abstract: An endoscope apparatus including: a light source configured to emit illumination light including light in a first wavelength band included in a blue wavelength band, light in a first narrowband included in a green wavelength band, and light in a second narrowband having a same light absorption coefficient of hemoglobin as that of the light in the first narrowband; an imager configured to acquire a first image of an object in the first wavelength band, a first narrowband image of the object in the first narrowband, and a second narrowband image of the object in the second narrowband; and a processor including hardware. The processor is configured to implement acquiring scattering characteristics information based on a comparison result between the first narrowband image and the second narrowband image, and generating an observation image using the first image, the first narrowband image, and the scattering characteristics information.Type: ApplicationFiled: November 2, 2020Publication date: March 18, 2021Applicant: OLYMPUS CORPORATIONInventors: Jumpei TAKAHASHI, Ryosuke ITO, Yohei TANIKAWA, Takayuki TSUKAGOSHI, Yuki SHONO
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Publication number: 20200403150Abstract: A stack of the embodiment includes: a first magnetic substance; a second magnetic substance; and a first nonmagnetic substance which is disposed between the first magnetic substance and the second magnetic substance and contains at least one first metal element (M1) selected from the group consisting of ruthenium (Ru) and osmium (Os) and at least one second metal element (M2) selected from the group consisting of rhodium (Rh) and iridium (Ir). A magnetic device of the embodiment includes: a third magnetic substance; the stack; and a second nonmagnetic substance which is disposed between the third magnetic substance and the stack.Type: ApplicationFiled: March 5, 2020Publication date: December 24, 2020Applicant: KIOXIA CORPORATIONInventors: Rina NOMOTO, Takayuki TSUKAGOSHI, Yasushi NAKASAKI, Masaru TOKO, Tadashi KAI, Takamitsu ISHIHARA
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Publication number: 20200002821Abstract: A carbon dioxide electrolytic device comprises: an electrolysis cell including a first electrode having a first catalyst to reduce carbon dioxide, a second electrode having a second catalyst to oxidize water or hydroxide ions, a first electrode flow path facing the first electrode, a second electrode flow path facing the second electrode, and a separator separating the first and second electrodes; a power controller; a first flow path through which the carbon dioxide flows; a second flow path through which the carbon compound flows; a third flow path through which an electrolytic solution containing the water flows; a fourth flow path through which the oxygen flows; a first valve to connect the first electrode flow path and the first flow path; a second valve to connect the first electrode flow path and the second flow path; a tank connected to the first electrode flow path and configured to store a rinse solution; and a controller programmed to control opening and closing of the first and second valves in acType: ApplicationFiled: September 4, 2019Publication date: January 2, 2020Applicant: Kabushiki Kaisha ToshibaInventors: Akihiko ONO, Yuki KUDO, Ryota KITAGAWA, Masakazu YAMAGIWA, Jun TAMURA, Satoshi MIKOSHIBA, Yoshitsune SUGANO, Asahi MOTOSHIGE, Takayuki TSUKAGOSHI
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Publication number: 20200002829Abstract: An electrolytic cell for carbon dioxide of an embodiment includes: an anode part including an anode to oxidize water or a hydroxide ion and thus produce oxygen and an anode solution flow path to supply an anode solution to the anode; a cathode part including a cathode to reduce carbon dioxide and thus produce a carbon compound, a cathode solution flow path to supply a cathode solution to the cathode, a gas flow path to supply the carbon dioxide to the cathode, and a hydrophobic porous body disposed between the cathode and the gas flow path; and a separator to separate the anode part and the cathode part from each other.Type: ApplicationFiled: September 4, 2019Publication date: January 2, 2020Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yuki KUDO, Akihiko ONO, Masakazu YAMAGIWA, Ryota KITAGAWA, Jun TAMURA, Yoshitsune SUGANO, Takayuki TSUKAGOSHI, Asahi MOTOSHIGE, Satoshi MIKOSHIBA
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Publication number: 20200002823Abstract: A carbon dioxide reduction system comprises: an electrolytic unit including an electrolysis cell having a cathode to reduce a first substance containing carbon dioxide and thus produce a first product containing a carbon compound, and an anode to oxidize a second substance containing water or hydroxide ions and thus produce a second product containing oxygen, a detection unit to acquire data defining operation states of the electrolysis cell, and an electrolytic regulator to regulate electrolysis conditions of the electrolysis cell; a compression unit including a compressor to compress the first product, and a compressor regulator to regulate compression conditions of the first product by the compressor; and a controller programmed to predict a flow rate of the carbon compound discharged from the electrolysis cell in accordance with the data to control regulation of the compression conditions in accordance with the predicted flow rate.Type: ApplicationFiled: September 4, 2019Publication date: January 2, 2020Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Akihiko ONO, Yuki Kudo, Ryota Kitagawa, Masakazu Yamagiwa, Jun Tamura, Satoshi Mikoshiba, Yoshitsune Sugano, Asahi Motoshige, Takayuki Tsukagoshi
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Publication number: 20190085473Abstract: A reduction catalyst body for carbon dioxide of an embodiment includes a metal layer, and a projection provided on the metal layer. The projection is constituted of an aggregate of fine metal particles, and possesses a polyhedral structure having surfaces of three faces or more of a polygon. The projection has a site of reducing carbon dioxide, as at least a part of the surfaces.Type: ApplicationFiled: March 8, 2018Publication date: March 21, 2019Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yoshitsune SUGANO, Akihiko ONO, Jun TAMURA, Ryota KITAGAWA, Asahi MOTOSHIGE, Yuki KUDO, Masakazu YAMAGIWA, Takayuki TSUKAGOSHI, Satoshi MIKOSHIBA
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Publication number: 20180274114Abstract: An electrochemical reaction device comprises: an anode to oxidize water; an electrolytic solution flow path facing on the anode and through which an electrolytic solution containing the water flows; a cathode including: a porous conductive layer having first and second surfaces; and a reduction catalyst layer having a third surface disposed on the first surface and containing a reduction catalyst to reduce carbon dioxide; a separator between the anode and the cathode; a power supply connected to the anode and the cathode; and a flow path plate including: a fourth surface on the second surface; and a flow path facing on the second surface and through which the carbon dioxide flows. A ratio of an area of an overlap of the second surface and the flow path to an area of the second surface is 0.5 or more and 0.85 or less.Type: ApplicationFiled: September 1, 2017Publication date: September 27, 2018Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Akihiko ONO, Satoshi MIKOSHIBA, Yuki KUDO, Masakazu YAMAGIWA, Jun TAMURA, Yoshitsune SUGANO, Ryota KITAGAWA, Eishi TSUTSUMI, Asahi MOTOSHIGE, Takayuki TSUKAGOSHI
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Patent number: D943099Type: GrantFiled: August 28, 2019Date of Patent: February 8, 2022Assignee: OLYMPUS CORPORATIONInventors: Seiji Iwasaki, Soichi Ikuma, Yuji Sakai, Takayuki Tsukagoshi, Aya Mori, Miho Naka, Nao Tsuruta, Yoshino Nagasuka