Patents by Inventor Yoichi KAJIMURA
Yoichi KAJIMURA 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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Patent number: 11635329Abstract: A transmission type color calibration chart includes a transparent substrate and a color bar group formed on the transparent substrate, wherein the color bar group is constituted by color bars of a plurality of colors containing at least a first color and a second color arranged in a pattern in no particular order, coordinate points of the first color are within a region encompassed by the four points (0.351, 0.649), (0.547, 0.453), (0.380, 0.506) and (0.433, 0.464) on an xy chromaticity diagram, coordinate points of the second color are within a region encompassed by the four points (0.125, 0.489), (0.112, 0.229), (0.270, 0.407) and (0.224, 0.242) on an xy chromaticity diagram, and the transmission spectrum of the first color's color bar and the transmission spectrum of the second color's color bar have peak tops that are respectively separated.Type: GrantFiled: April 22, 2022Date of Patent: April 25, 2023Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Yoshihiko Ogino, Yoichi Kajimura, Takahiro Sahara, Kunio Taguchi, Yasushi Sasagawa, Hitoshi Mizuno, Shota Mitani
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Publication number: 20220390283Abstract: A transmission type color gradation chart comprising: a color chart member including at least one color bar wherein transmitted light exhibits chromatic color; and a gray gradation chart member wherein transmitted light exhibits achromatic color, and includes a plurality of transmission regions with different brightness, wherein the color chart member and the gray gradation chart member are stacked so that there is a duplicative transmission region wherein the color bar and the plurality of transmission regions overlap in planar view.Type: ApplicationFiled: October 12, 2020Publication date: December 8, 2022Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Akihiro MAEDA, Yoshihiko OGINO, Yoichi KAJIMURA
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Publication number: 20220244105Abstract: A transmission type color calibration chart includes a transparent substrate and a color bar group formed on the transparent substrate, wherein the color bar group is constituted by color bars of a plurality of colors containing at least a first color and a second color arranged in a pattern in no particular order, coordinate points of the first color are within a region encompassed by the four points (0.351, 0.649), (0.547, 0.453), (0.380, 0.506) and (0.433, 0.464) on an xy chromaticity diagram, coordinate points of the second color are within a region encompassed by the four points (0.125, 0.489), (0.112, 0.229), (0.270, 0.407) and (0.224, 0.242) on an xy chromaticity diagram, and the transmission spectrum of the first color's color bar and the transmission spectrum of the second color's color bar have peak tops that are respectively separated.Type: ApplicationFiled: April 22, 2022Publication date: August 4, 2022Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Yoshihiko OGINO, Yoichi KAJIMURA, Takahiro SAHARA, Kunio TAGUCHI, Yasushi SASAGAWA, Hitoshi MIZUNO, Shota MITANI
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Patent number: 11397110Abstract: A color calibration viewer used in color calibration, wherein: the relative intensity at a wavelength of 505 nm is 0.80 or more and 0.95 or less, and the relative intensity at a wavelength of 620 nm is 0.65 or more and 0.80 or less, where 1 designates the optical intensity of a peak top in a first wavelength region at a wavelength of 440 nm or more and 470 nm or less; and the ratio (A/B) of A and B is 1.00 or more and 1.46 or less, where A designates the optical intensity at a wavelength of 505 nm, and B designates the optical intensity at a wavelength of 620 nm.Type: GrantFiled: October 18, 2018Date of Patent: July 26, 2022Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Yoshihiko Ogino, Keiichi Ganbe, Kazumasa Onuki, Takahiro Sahara, Yoichi Kajimura
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Patent number: 11371886Abstract: A transmission type color calibration chart includes a transparent substrate and a color bar group formed on the transparent substrate, wherein the color bar group is constituted by color bars of a plurality of colors containing at least a first color and a second color arranged in a pattern in no particular order, coordinate points of the first color are within a region encompassed by the four points (0.351, 0.649), (0.547, 0.453), (0.380, 0.506) and (0.433, 0.464) on an xy chromaticity diagram, coordinate points of the second color are within a region encompassed by the four points (0.125, 0.489), (0.112, 0.229), (0.270, 0.407) and (0.224, 0.242) on an xy chromaticity diagram, and the transmission spectrum of the first color's color bar and the transmission spectrum of the second color's color bar have peak tops that are respectively separated.Type: GrantFiled: September 1, 2021Date of Patent: June 28, 2022Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Yoshihiko Ogino, Yoichi Kajimura, Takahiro Sahara, Kunio Taguchi, Yasushi Sasagawa, Hitoshi Mizuno, Shota Mitani
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Patent number: 11340115Abstract: A transmission type color calibration chart comprises a transparent substrate and a color bar group formed on the transparent substrate, wherein the color bar group is constituted by color bars of a plurality of colors containing at least a first color and a second color arranged in a pattern in no particular order, coordinate points of the first color are within a region encompassed by the four points (0.351, 0.649), (0.547, 0.453), (0.380, 0.506) and (0.433, 0.464) on an xy chromaticity diagram, coordinate points of the second color are within a region encompassed by the four points (0.125, 0.489), (0.112, 0.229), (0.270, 0.407) and (0.224, 0.242) on an xy chromaticity diagram, and the transmission spectrum of the first color's color bar and the transmission spectrum of the second color's color bar have peak tops that are respectively separated.Type: GrantFiled: March 30, 2017Date of Patent: May 24, 2022Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Yoshihiko Ogino, Yoichi Kajimura, Takahiro Sahara, Kunio Taguchi, Yasushi Sasagawa, Hitoshi Mizuno, Shota Mitani
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Publication number: 20220095891Abstract: A color conversion section for an imaging device carries out conversion to imaging data imaged by each medical imaging device for eliminating differences in color property of each imaging device, and generates standard color graphic data. To this standard color graphic data, a color conversion section for highlighting a specific tissue carries out color conversion for highlighting a designated specific biotissue, such as a blood vessel, to generate specific tissue highlighted graphic data. To this specific tissue highlighted graphic data, a color conversion section for a monitor carries out conversion for eliminating differences in color property of each monitor to generate display data. Color monitors display graphics based on this display data.Type: ApplicationFiled: February 14, 2020Publication date: March 31, 2022Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Yoshihiko OGINO, Tohru SUGIYAMA, Yusuke MURAYAMA, Kiyoko TATEISHI, Akihiro MAEDA, Yoichi KAJIMURA, Yutaka MATSUMOTO
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Publication number: 20210396582Abstract: A transmission type color calibration chart includes a transparent substrate and a color bar group formed on the transparent substrate, wherein the color bar group is constituted by color bars of a plurality of colors containing at least a first color and a second color arranged in a pattern in no particular order, coordinate points of the first color are within a region encompassed by the four points (0.351, 0.649), (0.547, 0.453), (0.380, 0.506) and (0.433, 0.464) on an xy chromaticity diagram, coordinate points of the second color are within a region encompassed by the four points (0.125, 0.489), (0.112, 0.229), (0.270, 0.407) and (0.224, 0.242) on an xy chromaticity diagram, and the transmission spectrum of the first color's color bar and the transmission spectrum of the second color's color bar have peak tops that are respectively separated.Type: ApplicationFiled: September 1, 2021Publication date: December 23, 2021Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Yoshihiko OGINO, Yoichi KAJIMURA, Takahiro SAHARA, Kunio TAGUCHI, Yasushi SASAGAWA, Hitoshi MIZUNO, Shota MITANI
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Publication number: 20200284656Abstract: A color calibration viewer used in color calibration, wherein: the relative intensity at a wavelength of 505 nm is 0.80 or more and 0.95 or less, and the relative intensity at a wavelength of 620 nm is 0.65 or more and 0.80 or less, where 1 designates the optical intensity of a peak top in a first wavelength region at a wavelength of 440 nm or more and 470 nm or less; and the ratio (A/B) of A and B is 1.00 or more and 1.46 or less, where A designates the optical intensity at a wavelength of 505 nm, and B designates the optical intensity at a wavelength of 620 nm.Type: ApplicationFiled: October 18, 2018Publication date: September 10, 2020Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Yoshihiko OGINO, Keiichi GANBE, Kazumasa ONUKI, Takahiro SAHARA, Yoichi KAJIMURA
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Publication number: 20190137340Abstract: A transmission type color calibration chart includes a transparent substrate and a color bar group formed on the transparent substrate, wherein the color bar group is constituted by color bars of a plurality of colors containing at least a first color and a second color arranged in a pattern in no particular order, coordinate points of the first color are within a region encompassed by the four points (0.351, 0.649), (0.547, 0.453), (0.380, 0.506) and (0.433, 0.464) on an xy chromaticity diagram, coordinate points of the second color are within a region encompassed by the four points (0.125, 0.489), (0.112, 0.229), (0.270, 0.407) and (0.224, 0.242) on an xy chromaticity diagram, and the transmission spectrum of the first color's color bar and the transmission spectrum of the second color's color bar have peak tops that are respectively separated.Type: ApplicationFiled: March 30, 2017Publication date: May 9, 2019Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Yoshihiko OGINO, Yoichi KAJIMURA, Takahiro SAHARA, Kunio TAGUCHI, Yasushi SASAGAWA, Hitoshi MIZUNO, Shota MITANI