Patents by Inventor Shuya Ogi
Shuya Ogi 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: 11949832Abstract: There is provided a method of manufacturing an image sensor unit, the image sensor unit including: a linear light source that illuminates a document along a main scanning direction; a rod lens array that includes a plurality of rod lenses arranged in the main scanning direction and condenses a light reflected from the document; and a linear image sensor that receives a light condensed by the rod lens array. When a rod lens having an optically discontinuous portion on a surface and/or interior of the rod lens is included, the rod lens array is arranged such that the optically discontinuous portion is not located toward the document.Type: GrantFiled: November 3, 2022Date of Patent: April 2, 2024Assignee: Nippon Sheet Glass Company, LimitedInventors: Shuya Ogi, Eiichi Nakaoka
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Publication number: 20230055491Abstract: There is provided a method of manufacturing an image sensor unit, the image sensor unit including: a linear light source that illuminates a document along a main scanning direction; a rod lens array that includes a plurality of rod lenses arranged in the main scanning direction and condenses a light reflected from the document; and a linear image sensor that receives a light condensed by the rod lens array. When a rod lens having an optically discontinuous portion on a surface and/or interior of the rod lens is included, the rod lens array is arranged such that the optically discontinuous portion is not located toward the document.Type: ApplicationFiled: November 3, 2022Publication date: February 23, 2023Applicant: Nippon Sheet Glass Company, LimitedInventors: Shuya OGI, Eiichi Nakaoka
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Patent number: 11523022Abstract: There is provided a method of manufacturing an image sensor unit, the image sensor unit including: a linear light source that illuminates a document along a main scanning direction; a rod lens array that includes a plurality of rod lenses arranged in the main scanning direction and condenses a light reflected from the document; and a linear image sensor that receives a light condensed by the rod lens array. When a rod lens having an optically discontinuous portion on a surface and/or interior of the rod lens is included, the rod lens array is arranged such that the optically discontinuous portion is not located toward the document.Type: GrantFiled: December 21, 2017Date of Patent: December 6, 2022Assignee: Nippon Sheet Glass Company, LimitedInventors: Shuya Ogi, Eiichi Nakaoka
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Publication number: 20210102897Abstract: A reaction processor includes: a reaction processing vessel; a first optical head including a first objective lens OB1 for irradiating a sample with first excitation light and collecting first fluorescence generated from the sample; a second optical head including a second objective lens for irradiating a sample with second excitation light and collecting second fluorescence generated from the sample; and a holding member holding the first optical head and the second optical head. The wavelength range of the first fluorescence and the wavelength range of the second excitation light at least partially overlap with each other. A distance between the optical axis of the first objective lens and the optical axis of the second objective lens satisfies 2·P0+2·P1+4·P2+4·P3<P, P0=L·NA/?(1?NA2), P1=t1·NA/?(n12?NA2), P2=t2·NA/?(1?NA2), and P3=t3·NA/?(n32?NA2).Type: ApplicationFiled: December 17, 2020Publication date: April 8, 2021Applicant: Nippon Sheet Glass Company, LimitedInventors: Shuya OGI, Takashi Fukuzawa
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Publication number: 20180183966Abstract: There is provided a method of manufacturing an image sensor unit, the image sensor unit including: a linear light source that illuminates a document along a main scanning direction; a rod lens array that includes a plurality of rod lenses arranged in the main scanning direction and condenses a light reflected from the document; and a linear image sensor that receives a light condensed by the rod lens array. When a rod lens having an optically discontinuous portion on a surface and/or interior of the rod lens is included, the rod lens array is arranged such that the optically discontinuous portion is not located toward the document.Type: ApplicationFiled: December 21, 2017Publication date: June 28, 2018Applicant: Nippon Sheet Glass Company, LimitedInventors: Shuya OGI, Eiichi NAKAOKA
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Patent number: 8593704Abstract: An erecting equal-magnification lens array plate comprises first and second lens array plates stacked on one another, a fourth surface light-shielding wall, and an intermediate light-shielding wall. An intermediate through hole formed in the intermediate light-shielding wall is formed such that the hole diameter is progressively smaller in a tapered fashion away from the first lens array plate toward the second lens array plate. An angle of inclination ? of an interior wall surface of the intermediate through hole with respect to a optical axis is given by ??tan?1(D4/(Gap+L2+H4))/2 where Gap denotes a gap between the lens array plates, L2 denotes a thickness of the second lens array plate, H4 denotes a height of the fourth surface light-shielding wall, and D4 denotes a diameter of the opening of the fourth surface through hole formed in the fourth surface light-shielding wall facing the image plane.Type: GrantFiled: February 7, 2012Date of Patent: November 26, 2013Assignee: Nippon Sheet Glass Company, LimitedInventor: Shuya Ogi
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Publication number: 20120200899Abstract: An erecting equal-magnification lens array plate comprises first and second lens array plates stacked on one another, a fourth surface light-shielding wall, and an intermediate light-shielding wall. An intermediate through hole formed in the intermediate light-shielding wall is formed such that the hole diameter is progressively smaller in a tapered fashion away from the first lens array plate toward the second lens array plate. An angle of inclination ? of an interior wall surface of the intermediate through hole with respect to a optical axis is given by ??tan?1(D4/(Gap+L2+H4))/2 where Gap denotes a gap between the lens array plates, L2 denotes a thickness of the second lens array plate, H4 denotes a height of the fourth surface light-shielding wall, and D4 denotes a diameter of the opening of the fourth surface through hole formed in the fourth surface light-shielding wall facing the image plane.Type: ApplicationFiled: February 7, 2012Publication date: August 9, 2012Applicant: NIPPON SHEET GLASS COMPANY, LIMITEDInventor: Shuya OGI
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Publication number: 20070296803Abstract: A method for driving a self-scanning light-emitting element array is provided in which two light-emitting elements may be illuminated simultaneously in one chip. In a self-scanning light-emitting element array including a transfer element array and light-emitting element array, a magnitude of the write signal for illuminating adjacent two light-emitting elements simultaneously is two times that of the write signal for illuminating one light-emitting element. The self-scanning light-emitting element array is composed of a plurality of self-scanning light-emitting element array chips arranged in a linear manner, and the two-phase clock pulses are applied commonly to the plurality of self-scanning light-emitting element array chips.Type: ApplicationFiled: August 17, 2007Publication date: December 27, 2007Applicant: Fuji Xerox Co. Ltd.Inventors: Seiji Ohno, Shuya Ogi
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Patent number: 7286259Abstract: A method for driving a self-scanning light-emitting element array is provided in which two light-emitting elements may be illuminated simultaneously in one chip. In a self-scanning light-emitting element array including a transfer element array and light-emitting element array, a magnitude of the write signal for illuminating adjacent two light-emitting elements simultaneously is two times that of the write signal for illuminating one light-emitting element. The self-scanning light-emitting element array is composed of a plurality of self-scanning light-emitting element array chips arranged in a linear manner, and the two-phase clock pulses are applied commonly to the plurality of self-scanning light-emitting element array chips.Type: GrantFiled: September 4, 2001Date of Patent: October 23, 2007Assignee: Fuji Xerox Co., Ltd.Inventors: Seiji Ohno, Shuya Ogi
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Patent number: 6943954Abstract: An aligning tool having a plurality of grooves formed side by side is provided; gradient index rod lenses are placed in alignment within the grooves at an average spacing of 1 ?m-5 ?m; the gradient index rod lenses are fixed to form an integral unit as they maintain the aligned state; thereafter the end faces of each rod lens are polished.Type: GrantFiled: September 28, 2001Date of Patent: September 13, 2005Assignee: Nippon Sheet Glass Co., Ltd.Inventors: Shuya Ogi, Takashi Fukuzawa, Koichiro Iki, Masahide Wakisaka, Kiyotaka Sasaki
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Patent number: 6891558Abstract: An optical write-in head for obtaining a clear image even in printing at a relatively high recording density without generating strip-like irregularities in most cases. The optical write-in head applies light carrying image information to a photosensitive substance. The optical write-in head includes an array light source having a plurality of dot light sources, each of which selectively emits the light corresponding to the image information, and a lens array facing the array light source. The lens array has a plurality of lens elements which corresponds to the plurality of dot light sources respectively. An angular aperture ? of each of the lens elements is set in a range of about 14° to 18°.Type: GrantFiled: September 6, 2002Date of Patent: May 10, 2005Assignee: Nippon Sheet Glass Co., Ltd.Inventors: Shuya Ogi, Tomitaka Takagi, Koichiro Iki, Minoru Toyama
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Patent number: 6809868Abstract: An aligning tool having a plurality of grooves formed side by side is provided; gradient index rod lenses are placed in alignment within the grooves at an average spacing of 1 &mgr;m-5 &mgr;m; the gradient index rod lenses are fixed to form an integral unit as they maintain the aligned state; thereafter the end faces of each rod lens are polished.Type: GrantFiled: April 8, 2003Date of Patent: October 26, 2004Assignee: Nippon Sheet Glass Co., Ltd.Inventors: Shuya Ogi, Takashi Fukuzawa, Koichiro Iki, Masahide Wakisaka, Kiyotaka Sasaki
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Patent number: 6724537Abstract: A miniaturized lens array for unity magnification imaging comprises a plurality of rod lenses arranged in one row. An arrangement pitch D of the rod lenses is defined to satisfy (2 m+1)·D≦2.1 mm or 2.5 mm. An angle of aperture &thgr; of the rod lens is defined to satisfy &agr;D/6×{n·cos−1(−&agr;/2/m)+(4 m2/&agr;2−1)1/2}≦&thgr;≦&agr;D/2×(4/m2/&agr;2−1)1/2. The arrangement pitch D and angle of aperture &thgr; are defined in this manner, and it is therefore possible to obtain the lens array whose difference between a total width and effective lens width is equal to or smaller than 2.1 mm or 2.5 mm.Type: GrantFiled: October 10, 2002Date of Patent: April 20, 2004Assignee: Nippon Sheet Glass Co., Ltd.Inventor: Shuya Ogi
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Publication number: 20040046976Abstract: A method for driving a self-scanning light-emitting element array is provided in which two light-emitting elements may be illuminated simultaneously in one chip. In a self-scanning light-emitting element array including a transfer element array and light-emitting element array, a magnitude of the write signal for illuminating adjacent two light-emitting elements simultaneously is two times that of the write signal for illuminating one light-emitting element. The self-scanning light-emitting element array is composed of a plurality of self-scanning light-emitting element array chips arranged in a linear manner, and the two-phase clock pulses are applied commonly to the plurality of self-scanning light-emitting element array chips.Type: ApplicationFiled: March 4, 2003Publication date: March 11, 2004Inventors: Seiji Ohno, Shuya Ogi
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Patent number: 6683722Abstract: A rod lens array having a structure in which a large number of rod lens elements are combined into one unit while the large number of rod lens elements are arrayed in a plurality of rows. The number N of lens rows and the degree m of overlapping of images are selected to satisfy the relation: {3(N−1)N/16}1/2<m≦{N(N+1)(28−N)/(9−N)}1/2/4 when m is equal to X0/D, in which D is the diameter of each lens, and X0 is the radius of a view field generated by each lens.Type: GrantFiled: March 29, 2002Date of Patent: January 27, 2004Assignee: Nippon Sheet Glass Co., Ltd.Inventor: Shuya Ogi
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Publication number: 20030193721Abstract: An aligning tool having a plurality of grooves formed side by side is provided; gradient index rod lenses are placed in alignment within the grooves at an average spacing of 1 &mgr;m-5 &mgr;m; the gradient index rod lenses are fixed to form an integral unit as they maintain the aligned state; thereafter the end faces of each rod lens are polished.Type: ApplicationFiled: April 8, 2003Publication date: October 16, 2003Inventors: Shuya Ogi, Takashi Fukuzawa, Koichiro Iki, Masahide Wakisaka, Kiyotaka Sasaki
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Publication number: 20030095335Abstract: A miniaturized lens array for unity magnification imaging comprises a plurality of rod lenses arranged in one row. An arrangement pitch D of the rod lenses is defined to satisfy (2m+1)·D≦2.1 mm or 2.5 mm. An angle of aperture &thgr; of the rod lens is defined to satisfy &agr;D/6×{n·cos−1(−&agr;/2/m)+(4m2/&agr;2−1)½}≦&thgr;≦&agr;D/2×(4m2/&agr;2−1)½. The arrangement pitch D and angle of aperture &thgr; are defined in this manner, and it is therefore possible to obtain the lens array whose difference between a total width and effective lens width is equal to or smaller than 2.1 mm or 2.5 mm.Type: ApplicationFiled: October 10, 2002Publication date: May 22, 2003Inventor: Shuya Ogi
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Patent number: 6563104Abstract: In an image forming apparatus, an object surface (14) is disposed facing one end face of a rod lens array (10), while an image surface (16) is disposed facing the other end face thereof. A lens working distance of the rod lens array on the object side is substantially equal to that on the image side. An actual object-image distance Tco is set between the conjugate length TC1 at which the average value MTFave of the MTF of the rod lens array in the lens array direction is maximized and the conjugate length TC2 at which the &Dgr;MTF(=(MTFmax−MTFmin)/MTFave) is minimized, and a shift quantity &Dgr;TC(=|TCo−TC1|) is set within 0 mm<&Dgr;TC<+02 mm for the conjugate length TC1 at which the MTFave is maximized.Type: GrantFiled: July 5, 2001Date of Patent: May 13, 2003Assignee: Nippon Sheet Glass Co., Ltd.Inventors: Shuya Ogi, Koichiro Iki, Minoru Toyama
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Publication number: 20030043255Abstract: An optical write-in head for obtaining a clear image even in printing at a relatively high recording density without generating strip-like irregularities in most cases. The optical write-in head applies light carrying image information to a photosensitive substance. The optical write-in head includes an array light source having a plurality of dot light sources, each of which selectively emits the light corresponding to the image information, and a lens array facing the array light source. The lens array has a plurality of lens elements which corresponds to the plurality of dot light sources respectively. An angular aperture &thgr; of each of the lens elements is set in a range of about 14° to 18°.Type: ApplicationFiled: September 6, 2002Publication date: March 6, 2003Inventors: Shuya Ogi, Tomitaka Takagi, Koichiro Iki, Minoru Toyama
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Publication number: 20020196561Abstract: A rod lens array having a structure in which a large number of rod lens elements are combined into one unit while the large number of rod lens elements are arrayed in a plurality of rows.Type: ApplicationFiled: March 29, 2002Publication date: December 26, 2002Inventor: Shuya Ogi