Patents by Inventor Tetsuya Ori
Tetsuya Ori 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: 11828923Abstract: An imaging lens consists of, in order from the object side, a first lens group, a stop, a positive second lens group, and a third lens group. During focusing, at least the second lens group moves and the third lens group does not move. The second lens group includes at least two negative lenses. The third lens group consists of one negative lens and one positive lens.Type: GrantFiled: February 3, 2021Date of Patent: November 28, 2023Assignee: FUJIFILM CorporationInventors: Masato Kondo, Tetsuya Ori, Michio Cho
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Publication number: 20230052715Abstract: The zoom lens consists of, in order from an object side, a first lens group that has a positive refractive power, a second lens group that has a negative refractive power, a middle group that includes one or more lens groups, and a final lens group. The middle group has a positive refractive power as a whole throughout an entire zoom range. During zooming, a spacing between the first lens group and the second lens group changes, a spacing between the second lens group and the middle group changes, and a spacing between the middle group and the final lens group changes. The zoom lens satisfies predetermined conditional expressions.Type: ApplicationFiled: July 18, 2022Publication date: February 16, 2023Applicant: FUJIFILM CorporationInventors: Daiki KAWAMURA, Tetsuya ORI
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Patent number: 11561367Abstract: The imaging lens includes, as lens groups, only a positive first lens group, a positive second lens group, and a negative third lens group in order from the object side. An aperture stop is disposed between a lens surface closest to the image side in the first lens group and a lens surface closest to the object side in the third lens group. During focusing, the first lens group and the third lens group do not move, and the second lens group moves. The first lens group consists of a negative lens and a positive lens in order from the object side. The third lens group has a negative lens and a positive lens in order from the object side.Type: GrantFiled: July 26, 2022Date of Patent: January 24, 2023Assignee: FUJIFILM CorporationInventors: Ryosuke Nagami, Tetsuya Ori
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Publication number: 20220357560Abstract: The imaging lens includes, as lens groups, only a positive first lens group, a positive second lens group, and a negative third lens group in order from the object side. An aperture stop is disposed between a lens surface closest to the image side in the first lens group and a lens surface closest to the object side in the third lens group. During focusing, the first lens group and the third lens group do not move, and the second lens group moves. The first lens group consists of a negative lens and a positive lens in order from the object side. The third lens group has a negative lens and a positive lens in order from the object side.Type: ApplicationFiled: July 26, 2022Publication date: November 10, 2022Applicant: FUJIFILM CorporationInventors: Ryosuke NAGAMI, Tetsuya ORI
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Patent number: 11442245Abstract: The imaging lens includes, as lens groups, only a positive first lens group, a positive second lens group, and a negative third lens group in order from the object side. An aperture stop is disposed between a lens surface closest to the image side in the first lens group and a lens surface closest to the object side in the third lens group. During focusing, the first lens group and the third lens group do not move, and the second lens group moves. The first lens group consists of a negative lens and a positive lens in order from the object side. The third lens group has a negative lens and a positive lens in order from the object side.Type: GrantFiled: November 20, 2019Date of Patent: September 13, 2022Assignee: FUJIFILM CorporationInventors: Ryosuke Nagami, Tetsuya Ori
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Publication number: 20210255442Abstract: An imaging lens consists of, in order from the object side, a first lens group, a stop, a positive second lens group, and a third lens group. During focusing, at least the second lens group moves and the third lens group does not move. The second lens group includes at least two negative lenses. The third lens group consists of one negative lens and one positive lens.Type: ApplicationFiled: February 3, 2021Publication date: August 19, 2021Applicant: FUJIFILM CorporationInventors: Masato KONDO, Tetsuya ORI, Michio CHO
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Publication number: 20210255422Abstract: The rear converter lens consists of, in order from an object side: a first lens group that has a positive refractive power; a second lens group that has a negative refractive power; and a third lens group that has a positive refractive power. The first lens group consists of a cemented lens in which a negative lens concave toward the image side and a positive lens convex toward the object side are cemented. The second lens group consists of a cemented lens in which a negative lens concave toward the image side, a positive lens convex toward both sides, and a negative lens concave toward the object side are cemented. The third lens group consists of a cemented lens in which a positive lens convex toward the object side and a negative lens are cemented. The rear converter lens satisfies predetermined Conditional Expressions (1) and (2).Type: ApplicationFiled: May 4, 2021Publication date: August 19, 2021Applicant: FUJIFILM CorporationInventor: Tetsuya ORI
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Patent number: 11079573Abstract: A rear converter lens consists of, in order from the object side, a positive first lens group, a negative second lens group, and a positive third lens group. The first lens group consists of a cemented lens in which a negative lens concave toward the image side and a positive lens convex toward the object side are cemented, the second lens group consists of a cemented lens in which a negative lens concave toward the image side, a positive lens convex toward both sides, and a negative lens concave toward the object side are cemented, and the third lens group consists of, in order from the object side, a third lens group-first lens that is a positive lens convex toward the object side and a third lens group-second lens that is a negative lens.Type: GrantFiled: June 26, 2019Date of Patent: August 3, 2021Assignee: FUJIFILM CorporationInventor: Tetsuya Ori
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Patent number: 11029488Abstract: The rear converter lens consists of, in order from an object side: a first lens group that has a positive refractive power; a second lens group that has a negative refractive power; and a third lens group that has a positive refractive power. The first lens group consists of a cemented lens in which a negative lens concave toward the image side and a positive lens convex toward the object side are cemented. The second lens group consists of a cemented lens in which a negative lens concave toward the image side, a positive lens convex toward both sides, and a negative lens concave toward the object side are cemented. The third lens group consists of a cemented lens in which a positive lens convex toward the object side and a negative lens are cemented. The rear converter lens satisfies predetermined Conditional Expressions (1) and (2).Type: GrantFiled: September 14, 2020Date of Patent: June 8, 2021Assignee: FUJIFILM CorporationInventor: Tetsuya Ori
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Publication number: 20210003819Abstract: The rear converter lens consists of, in order from an object side: a first lens group that has a positive refractive power; a second lens group that has a negative refractive power; and a third lens group that has a positive refractive power. The first lens group consists of a cemented lens in which a negative lens concave toward the image side and a positive lens convex toward the object side are cemented. The second lens group consists of a cemented lens in which a negative lens concave toward the image side, a positive lens convex toward both sides, and a negative lens concave toward the object side are cemented. The third lens group consists of a cemented lens in which a positive lens convex toward the object side and a negative lens are cemented. The rear converter lens satisfies predetermined Conditional Expressions (1) and (2).Type: ApplicationFiled: September 14, 2020Publication date: January 7, 2021Applicant: FUJIFILM CorporationInventor: Tetsuya ORI
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Patent number: 10739556Abstract: The imaging lens consists of, in order from an object side, a first lens group having a positive refractive power, a second lens group having a positive refractive power, a stop, a third lens group having a negative refractive power, and a fourth lens group. The first lens group has, in order from the object side, a positive single lens, and two or more cemented lenses. The second lens group consists of a positive lens and a negative lens. During image blur correction, only the third lens group moves. A conditional expression relating to the back focal length Bf and the lens system total length TTL is satisfied: 2<TTL/Bf<3.6.Type: GrantFiled: September 17, 2018Date of Patent: August 11, 2020Assignee: FUJIFILM CorporationInventors: Shunsuke Miyagishima, Tetsuya Ori
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Publication number: 20200166730Abstract: The imaging lens includes, as lens groups, only a positive first lens group, a positive second lens group, and a negative third lens group in order from the object side. An aperture stop is disposed between a lens surface closest to the image side in the first lens group and a lens surface closest to the object side in the third lens group. During focusing, the first lens group and the third lens group do not move, and the second lens group moves. The first lens group consists of a negative lens and a positive lens in order from the object side. The third lens group has a negative lens and a positive lens in order from the object side.Type: ApplicationFiled: November 20, 2019Publication date: May 28, 2020Applicant: FUJIFILM CorporationInventors: Ryosuke NAGAMI, Tetsuya ORI
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Patent number: 10620398Abstract: The imaging lens consists of, in order from the object side, a first lens group having a positive refractive power, a second lens group, and a third lens group. In the second lens group, a first focus lens group having a negative refractive power is disposed to be closest to the object side, and a second focus lens group having a positive refractive power is disposed to be closest to the image side. During focusing, only the first and second focus lens groups move by changing the mutual spacing therebetween. The first lens group has two positive lenses and one negative lens. The first focus lens group consists of two or less lenses including a negative lens. Predetermined conditional expressions are satisfied.Type: GrantFiled: November 27, 2017Date of Patent: April 14, 2020Assignee: FUJIFILM CorporationInventors: Daiki Kawamura, Tetsuya Ori
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Publication number: 20200018936Abstract: A rear converter lens consists of, in order from the object side, a positive first lens group, a negative second lens group, and a positive third lens group. The first lens group consists of a cemented lens in which a negative lens concave toward the image side and a positive lens convex toward the object side are cemented, the second lens group consists of a cemented lens in which a negative lens concave toward the image side, a positive lens convex toward both sides, and a negative lens concave toward the object side are cemented, and the third lens group consists of, in order from the object side, a third lens group-first lens that is a positive lens convex toward the object side and a third lens group-second lens that is a negative lens.Type: ApplicationFiled: June 26, 2019Publication date: January 16, 2020Applicant: FUJIFILM CorporationInventor: Tetsuya ORI
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Patent number: 10268030Abstract: The zoom lens consisting of, in order from an object side: a first lens group that has a positive refractive power; a second lens group that has a negative refractive power; a third lens group that has a negative refractive power; an intermediate part; and a final lens group that has a positive refractive power. The first lens group consists of three lenses, and has a cemented lens which is formed by cementing at least one positive lens and at least one negative lens. The second lens group consists of, in order from the object side, a negative meniscus lens, a biconcave lens, and a biconvex lens. The third lens group consists of one lens. The final lens group has a lens, which is convex toward an image side, at a position closest to the image side. Each lens group moves in a predetermined direction during zooming, and only the third lens group moves in the direction of the optical axis during focusing, and predetermined conditional expressions are satisfied.Type: GrantFiled: March 2, 2018Date of Patent: April 23, 2019Assignee: FUJIFILM CorporationInventors: Shunsuke Miyagishima, Tetsuya Ori
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Publication number: 20190094496Abstract: The imaging lens consists of, in order from an object side, a first lens group having a positive refractive power, a second lens group having a positive refractive power, a stop, a third lens group having a negative refractive power, and a fourth lens group. The first lens group has, in order from the object side, a positive single lens, and two or more cemented lenses. The second lens group consists of a positive lens and a negative lens. During image blur correction, only the third lens group moves. A conditional expression relating to the back focal length Bf and the lens system total length TTL is satisfied: 2<TTL/Bf<3.6.Type: ApplicationFiled: September 17, 2018Publication date: March 28, 2019Applicant: FUJIFILM CorporationInventors: Shunsuke MIYAGISHIMA, Tetsuya ORI
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Publication number: 20190086645Abstract: The rear converter lens consists of, in order from an object side: a first lens group that has a positive refractive power; a second lens group that has a negative refractive power; and a third lens group that has a positive refractive power. The first lens group consists of a cemented lens in which a negative lens concave toward the image side and a positive lens convex toward the object side are cemented. The second lens group consists of a cemented lens in which a negative lens concave toward the image side, a positive lens convex toward both sides, and a negative lens concave toward the object side are cemented. The third lens group consists of a cemented lens in which a positive lens convex toward the object side and a negative lens are cemented. The rear converter lens satisfies predetermined Conditional Expressions (1) and (2).Type: ApplicationFiled: August 24, 2018Publication date: March 21, 2019Applicant: FUJIFILM CorporationInventor: Tetsuya ORI
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Patent number: 10197893Abstract: Provided are a rear converter lens and an imaging apparatus capable of achieving favorable optical performance and an appropriate back focal length with high magnification. The rear converter lens RCL consists of, in order from the object side, four lens-groups of positive, negative, negative, and positive lens-groups. In order from the object side, a first lens-group RG1 consists of a negative lens RL11 and a positive lens RL12, a second lens-group RG2 consists of a negative lens RL21 and a positive lens RL22, a third lens-group RG3 consists of a negative lens RL31, a positive lens RL32, and a negative lens RL33, and a fourth lens-group RG4 consists of a biconvex lens RL41 and a negative lens RL42. Here, 0.22<cf/f12<1 is satisfied, where f12 is a composite focal length of the first lens-group RG1 and the second lens-group RG2, and cf is a focal length of the rear converter lens RCL.Type: GrantFiled: February 9, 2017Date of Patent: February 5, 2019Assignee: FUJIFILM CorporationInventors: Tetsuya Ori, Michio Cho
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Patent number: 10168507Abstract: The imaging lens consists of, in order from the object side, a first lens group having a positive refractive power, a second lens group having a negative refractive power, and a third lens group having a positive refractive power. The first lens group has a positive lens, a positive lens, and a negative lens successively in order from a position closest to the object side. The second lens group consists of one negative lens. The third lens group includes two or less lenses. During focusing, only the second lens group moves. The following conditional expression, which relates to a focal length f of the whole system in a state where the object at infinity is in focus and a focal length f2 of the second lens group, is satisfied: 0.4<|f/f2|<1.3.Type: GrantFiled: September 28, 2017Date of Patent: January 1, 2019Assignee: FUJIFILM CorporationInventors: Ryosuke Nagami, Tetsuya Ori
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Patent number: 10095009Abstract: A zoom lens is constituted essentially by six lens groups, in order from the object side to the image side: a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a positive refractive power; a fourth lens group having a positive refractive power; a fifth lens group having a negative refractive power; and a sixth lens group having a positive refractive power. The distances between all pairs of adjacent lens groups change when changing magnification from the wide angle end to the telephoto end, and Conditional Formula (1) below is satisfied: ?5<f1/f2<?1.5??(1) wherein f1 is the focal length of the first lens group, and f2 is the focal length of the second lens group.Type: GrantFiled: September 18, 2015Date of Patent: October 9, 2018Assignee: FUJIFILM CorporationInventors: Tetsuya Ori, Michio Cho