Patents by Inventor Masaya Hashimoto
Masaya Hashimoto 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: 11635587Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of wide field of view, low profile and low F-number. An imaging lens comprising in order from an object side to an image side, a first lens with positive refractive power having a convex object-side surface in a paraxial region, a second lens with negative refractive power in a paraxial region, a third lens with negative refractive power in a paraxial region, a fourth lens with positive or negative refractive power in a paraxial region, a fifth lens, a sixth lens with positive refractive power in a paraxial region, and a seventh lens with negative refractive power having a concave image-side surface in a paraxial region, and predetermined conditional expressions are satisfied.Type: GrantFiled: April 17, 2020Date of Patent: April 25, 2023Assignee: TOKYO VISIONARY OPTICS CO., LTD.Inventors: Kenichi Kamada, Masaya Hashimoto
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Patent number: 11554600Abstract: An ink cassette capable of being mounted in a printer includes a supply bobbin, a winding bobbin, a plate member, and at least three engaging portions. The plate member is provided on an end part of the ink cassette on a near side of the ink cassette in a mounting direction of the ink cassette. The at least three engaging portions are provided in the plate member and engage with engaging portions of the printer when the ink cassette is mounted in the printer. In a case where the ink sheet, pulled out from the supply bobbin, and a print sheet are overlaid and pressed against a print head of the printer, ink is transferred from the ink sheet to the print sheet.Type: GrantFiled: January 20, 2021Date of Patent: January 17, 2023Assignee: Canon Kabushiki KaishaInventor: Masaya Hashimoto
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Publication number: 20220179178Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of low profile and low F-number. An imaging lens comprising in order from an object side to an image side, a first lens with positive refractive power having an object-side surface being convex in a paraxial region, a second lens with negative refractive power in a paraxial region, a third lens with negative refractive power having an object-side surface being convex in a paraxial region, a fourth lens having an object-side surface being convex in a paraxial region, a fifth lens with negative refractive power in a paraxial region, and a sixth lens with positive refractive power having an image-side surface being convex in a paraxial region, and predetermined conditional expressions are satisfied.Type: ApplicationFiled: August 2, 2021Publication date: June 9, 2022Inventor: Masaya HASHIMOTO
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Publication number: 20220179177Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number. An imaging lens comprises in order from an object side to an image side, a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive or negative refractive power, a fourth lens with positive refractive power, a fifth lens, and a sixth lens with negative refractive power, wherein said first lens has an object-side surface being convex in a paraxial region, said sixth lens has an image-side surface being concave in a paraxial region, and predetermined conditional expressions are satisfied.Type: ApplicationFiled: June 30, 2021Publication date: June 9, 2022Inventors: Zhiyu HUANG, Masaya HASHIMOTO
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Publication number: 20220171163Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number. An imaging lens comprises in order from an object side to an image side, a first lens with positive refractive power, a second lens with positive or negative refractive power, a third lens with positive or negative refractive power, a fourth lens, a fifth lens with negative refractive power, a sixth lens with positive refractive power, and a seventh lens with negative refractive power, wherein said first lens has an object-side surface being convex in a paraxial region, said third lens has an object-side surface being convex in a paraxial region, said fifth lens is formed in a biconcave shape having an object-side surface and an image-side surface being concave in a paraxial region, and said seventh lens has an image-side surface being concave in a paraxial region, and predetermined conditional expressions are satisfied.Type: ApplicationFiled: May 27, 2021Publication date: June 2, 2022Inventors: Masaki YAMAZAKI, Masaya HASHIMOTO
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Publication number: 20220163775Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number. An imaging lens comprises in order from an object side to an image side, a first lens with positive refractive power, a second lens with positive refractive power, a third lens with negative refractive power, a fourth lens, a fifth lens with positive refractive power, a sixth lens with positive or negative refractive power, and a seventh lens with negative refractive power, wherein said first lens is formed in a meniscus shape having an object-side surface being convex in a paraxial region, said second lens has an image-side surface being concave in a paraxial region, said sixth lens has an image-side surface being concave in a paraxial region, and said seventh lens has an image-side surface being concave in a paraxial region, and predetermined conditional expressions are satisfied.Type: ApplicationFiled: August 2, 2021Publication date: May 26, 2022Inventor: Masaya HASHIMOTO
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Publication number: 20220091368Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number. An imaging lens comprises in order from an object side to an image side, a first lens with positive refractive power having an object-side surface being convex in a paraxial region; a second lens with negative refractive power having an object-side surface being convex in a paraxial region; a third lens with negative refractive power having an object-side surface being concave in a paraxial region; a fourth lens with negative refractive power in a paraxial region; and a fifth lens with positive refractive power having an image-side surface being convex in a paraxial region, and predetermined conditional expressions are satisfied.Type: ApplicationFiled: January 28, 2021Publication date: March 24, 2022Inventor: Masaya HASHIMOTO
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Publication number: 20220066172Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number. An imaging lens comprises in order from an object side to an image side, a first lens with positive refractive power, a second lens with positive refractive power, a third lens with negative refractive power, a fourth lens, a fifth lens with positive refractive power, a sixth lens with positive or negative refractive power, and a seventh lens with negative refractive power, wherein said first lens is formed in a meniscus shape having an object-side surface being convex in a paraxial region, said second lens has an image-side surface being concave in a paraxial region, said sixth lens has an image-side surface being concave in a paraxial region, and said seventh lens has an image-side surface being concave in a paraxial region, and predetermined conditional expressions are satisfied.Type: ApplicationFiled: April 1, 2021Publication date: March 3, 2022Inventor: Masaya HASHIMOTO
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Patent number: 11262543Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of the wide field of view, the low-profileness and the low F-number. An imaging lens comprises, in order from an object side to an image side, a first lens having a convex surface facing the object side near an optical axis and positive refractive power, a second lens having negative refractive power near the optical axis, a third lens, a fourth lens, a fifth lens being double-sided aspheric lens, and a sixth lens having a concave surface facing the image side near the optical axis and negative refractive power, wherein an image-side surface of the sixth lens is formed as an aspheric surface having at least one off-axial pole point, an image-side surface of the third lens is a convex surface facing the image side near the optical axis, the fourth lens has positive refractive power near the optical axis, and predetermined conditional expressions are satisfied.Type: GrantFiled: July 16, 2019Date of Patent: March 1, 2022Assignee: TOKYO VISIONARY OPTICS CO., LTD.Inventors: Koji Nitta, Masaya Hashimoto
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Patent number: 11215791Abstract: An imaging lens includes, in order from an object side to an image side, a first lens being a double-sided aspheric lens, a second lens, a third lens having positive refractive power, a fourth lens, a fifth lens, and a sixth lens being a double-sided aspheric lens and having negative refractive power and a concave surface facing the image side near an optical axis, wherein an image-side surface of said sixth lens is an aspheric surface changing to the convex surface at a peripheral area, and a below conditional expression (1) is satisfied: ?0.68<(N1?1)/(r1×f)×1000<0.68??(1) where N1: refractive index at d-ray of the first lens, r1: paraxial curvature radius of the object-side surface of the first lens, and f: focal length of an overall optical system.Type: GrantFiled: August 9, 2018Date of Patent: January 4, 2022Assignee: TOKYO VISIONARY OPTICS CO., LTD.Inventors: Shingo Yuza, Masaya Hashimoto
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Publication number: 20210388002Abstract: A compounds represented by any one of the following formulas (1) to (5) or a salt thereof, or a combination thereof: (1) 1,3-bis((S)-3-(4-amino-3-((3,5-dimethoxyphenyl)ethynyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)pyrrolidin-1-yl)propan-1-one; (2) 1-((S)-3-(4-((3-((S)-3-(4-amino-3-((3,5-dimethoxyphenyl)ethynyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)pyrrolidin-1-yl)-3-oxopropyl)amino)-3-((3,5-dimethoxyphenyl)ethynyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)pyrrolidin-1-yl)prop-2-en-1-one; (3) (S)-3-((1-(1-acryloylpyrrolidin-3-yl)-6-((3,5-dimethoxyphenyl)ethynyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)propanoic acid; (4) (S)-3-(4-amino-3-((3,5-dimethoxyphenyl)ethynyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)pyrrolidine-1-carbaldehyde; (5) (S)-1-(3-(4-amino-3-((3,5-dimethoxyphenyl)ethynyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)pyrrolidin-1-yl)-3-hydroxypropan-1-one.Type: ApplicationFiled: November 8, 2019Publication date: December 16, 2021Applicant: TAIHO PHARMACEUTICAL CO., LTD.Inventors: Yuji KANAMOTO, Reina OTA, Masaya HASHIMOTO, Kohei KANDA
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Publication number: 20210382275Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number.Type: ApplicationFiled: November 3, 2020Publication date: December 9, 2021Inventors: Kenichi KAMADA, Masaya HASHIMOTO
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Publication number: 20210364761Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number. An imaging lens comprises in order from an object side to an image side, a first lens with negative refractive power having an object-side surface being convex in a paraxial region, a second lens with positive refractive power in a paraxial region, a third lens with the negative refractive power in a paraxial region, a fourth lens with the positive refractive power in a paraxial region, a fifth lens having a flat object-side surface and a flat image-side surface that are aspheric, and a sixth lens with the negative refractive power having an image-side surface being concave in a paraxial region.Type: ApplicationFiled: August 2, 2021Publication date: November 25, 2021Inventors: Koji NITTA, Masaya HASHIMOTO
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Publication number: 20210364759Abstract: There is provided an imaging lens with high-resolution which satisfies demand of the wide field of view, the low-profileness and the low F-number, and excellently corrects aberrations. An imaging lens comprises in order from an object side to an image side, a first lens having positive refractive power and a convex surface facing the object side near the optical axis, a second lens having negative refractive power near the optical axis, a third lens having the positive refractive power near the optical axis, a fourth lens, and a fifth lens having the negative refractive power and a concave surface facing the image side near the optical axis, wherein the image-side surface of said fifth lens is formed as an aspheric surface having at least one off-axial pole point, and predetermined conditional expressions are satisfied.Type: ApplicationFiled: August 2, 2021Publication date: November 25, 2021Inventors: Yukio SEKINE, Masaya HASHIMOTO
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Publication number: 20210356710Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of low profile and low F-number. An imaging lens comprising in order from an object side to an image side, a first lens with positive refractive power having an object-side surface being convex in a paraxial region, a second lens with negative refractive power in a paraxial region, a third lens with negative refractive power having an object-side surface being convex in a paraxial region, a fourth lens having an object-side surface being convex in a paraxial region, a fifth lens with negative refractive power in a paraxial region, and a sixth lens with positive refractive power having an image-side surface being convex in a paraxial region, and predetermined conditional expressions are satisfied.Type: ApplicationFiled: October 9, 2020Publication date: November 18, 2021Inventor: Masaya HASHIMOTO
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Publication number: 20210356716Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of wide field of view, low profile and low F-number. An imaging lens comprising in order from an object side to an image side, a first lens with positive refractive power having a convex object-side surface in a paraxial region, a second lens with negative refractive power in a paraxial region, a third lens with negative refractive power in a paraxial region, a fourth lens with positive or negative refractive power in a paraxial region, a fifth lens, a sixth lens with positive refractive power in a paraxial region, and a seventh lens with negative refractive power having a concave image-side surface in a paraxial region, and predetermined conditional expressions are satisfied.Type: ApplicationFiled: August 2, 2021Publication date: November 18, 2021Inventors: Kenichi KAMADA, Masaya HASHIMOTO
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Publication number: 20210356696Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of low-profileness and low F-number. An imaging lens comprises, in order from an object side to an image side, a first lens with positive refractive power having an object-side surface being convex in a paraxial region, a second lens with negative refractive power in a paraxial region, a third lens with negative refractive power in a paraxial region, a fourth lens with positive or negative refractive power having an object-side surface being convex in a paraxial region, a fifth lens with positive or negative refractive power in a paraxial region, and a sixth lens with positive or negative refractive power having an image-side surface being convex in a paraxial region, and predetermined conditional expressions are satisfied.Type: ApplicationFiled: August 2, 2021Publication date: November 18, 2021Inventors: Kenichi KAMADA, Masaya HASHIMOTO
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Publication number: 20210325642Abstract: There is provided an imaging lens with high-resolution which satisfies demand of the wide field of view, the low-profileness and the low F-number, and excellently corrects aberrations. An imaging lens comprises in order from an object side to an image side, a first lens having positive refractive power and a convex surface facing the object side near the optical axis, a second lens having negative refractive power near the optical axis, a third lens having the positive refractive power near the optical axis, a fourth lens, and a fifth lens having the negative refractive power and a concave surface facing the image side near the optical axis, wherein the image-side surface of said fifth lens is formed as an aspheric surface having at least one off-axial pole point, and predetermined conditional expressions are satisfied.Type: ApplicationFiled: June 30, 2021Publication date: October 21, 2021Inventors: Yukio SEKINE, Masaya HASHIMOTO
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Publication number: 20210255436Abstract: An imaging lens which uses a larger number of constituent lenses for higher performance and features compactness and a wide field of view. The imaging lens is composed of seven lenses to form an image of an object on a solid-state image sensor. The constituent lenses are arranged in the following order from an object side to an image side: a first lens with positive refractive power; a second lens with positive or negative refractive power; a third lens with negative refractive power; a fourth lens with positive or negative refractive power as a double-sided aspheric lens; a meniscus fifth lens having a convex surface on the image side; a sixth lens with positive or negative refractive power as a double-sided aspheric lens; and a seventh lens with negative refractive power, in which an air gap is provided between lenses.Type: ApplicationFiled: May 3, 2021Publication date: August 19, 2021Inventor: Masaya HASHIMOTO
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Publication number: 20210255433Abstract: An imaging lens which uses a larger number of constituent lenses for higher performance and features compactness and a wide field of view. The imaging lens is composed of seven lenses to form an image of an object on a solid-state image sensor. The constituent lenses are arranged in the following order from an object side to an image side: a first lens with positive refractive power; a second lens with positive or negative refractive power; a third lens with negative refractive power; a fourth lens with positive or negative refractive power as a double-sided aspheric lens; a meniscus fifth lens having a convex surface on the image side; a sixth lens with positive or negative refractive power as a double-sided aspheric lens; and a seventh lens with negative refractive power, in which an air gap is provided between lenses.Type: ApplicationFiled: May 3, 2021Publication date: August 19, 2021Inventor: Masaya HASHIMOTO