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).

  • Publication number: 20210255422
    Abstract: 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: Application
    Filed: May 4, 2021
    Publication date: August 19, 2021
    Applicant: FUJIFILM Corporation
    Inventor: Tetsuya ORI
  • Publication number: 20210255442
    Abstract: 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: Application
    Filed: February 3, 2021
    Publication date: August 19, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Masato KONDO, Tetsuya ORI, Michio CHO
  • Patent number: 11079573
    Abstract: 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: Grant
    Filed: June 26, 2019
    Date of Patent: August 3, 2021
    Assignee: FUJIFILM Corporation
    Inventor: Tetsuya Ori
  • Patent number: 11029488
    Abstract: 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: Grant
    Filed: September 14, 2020
    Date of Patent: June 8, 2021
    Assignee: FUJIFILM Corporation
    Inventor: Tetsuya Ori
  • Publication number: 20210003819
    Abstract: 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: Application
    Filed: September 14, 2020
    Publication date: January 7, 2021
    Applicant: FUJIFILM Corporation
    Inventor: Tetsuya ORI
  • Patent number: 10739556
    Abstract: 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: Grant
    Filed: September 17, 2018
    Date of Patent: August 11, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Shunsuke Miyagishima, Tetsuya Ori
  • Publication number: 20200166730
    Abstract: 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: Application
    Filed: November 20, 2019
    Publication date: May 28, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Ryosuke NAGAMI, Tetsuya ORI
  • Patent number: 10620398
    Abstract: 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: Grant
    Filed: November 27, 2017
    Date of Patent: April 14, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Daiki Kawamura, Tetsuya Ori
  • Publication number: 20200018936
    Abstract: 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: Application
    Filed: June 26, 2019
    Publication date: January 16, 2020
    Applicant: FUJIFILM Corporation
    Inventor: Tetsuya ORI
  • Patent number: 10268030
    Abstract: 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: Grant
    Filed: March 2, 2018
    Date of Patent: April 23, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Shunsuke Miyagishima, Tetsuya Ori
  • Publication number: 20190094496
    Abstract: 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: Application
    Filed: September 17, 2018
    Publication date: March 28, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Shunsuke MIYAGISHIMA, Tetsuya ORI
  • Publication number: 20190086645
    Abstract: 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: Application
    Filed: August 24, 2018
    Publication date: March 21, 2019
    Applicant: FUJIFILM Corporation
    Inventor: Tetsuya ORI
  • Patent number: 10197893
    Abstract: 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: Grant
    Filed: February 9, 2017
    Date of Patent: February 5, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuya Ori, Michio Cho
  • Patent number: 10168507
    Abstract: 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: Grant
    Filed: September 28, 2017
    Date of Patent: January 1, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Ryosuke Nagami, Tetsuya Ori
  • Patent number: 10095009
    Abstract: 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: Grant
    Filed: September 18, 2015
    Date of Patent: October 9, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuya Ori, Michio Cho
  • Publication number: 20180259754
    Abstract: 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: Application
    Filed: March 2, 2018
    Publication date: September 13, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Shunsuke MIYAGISHIMA, Tetsuya ORI
  • Publication number: 20180164540
    Abstract: 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: Application
    Filed: November 27, 2017
    Publication date: June 14, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Daiki KAWAMURA, Tetsuya ORI
  • Publication number: 20180095246
    Abstract: 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: Application
    Filed: September 28, 2017
    Publication date: April 5, 2018
    Inventors: Ryosuke NAGAMI, Tetsuya ORI
  • Patent number: 9810889
    Abstract: A zoom lens consists of a first lens group having positive refractive power, a second lens group having negative refractive power, a third lens group having positive refractive power, a fourth lens group having positive refractive power, and a fifth lens group having positive refractive power in this order from an object side. The third lens group consists of a 3-1st lens group having positive refractive power and a 3-2nd lens group having negative refractive power in this order from the object side. A hand shake blur is corrected by moving the 3-2nd lens group in a direction perpendicular to optical axis. Magnification is changed by changing distances between the lens groups while the fifth lens group is fixed.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: November 7, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuya Ori, Michio Cho
  • Publication number: 20170277022
    Abstract: 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: Application
    Filed: February 9, 2017
    Publication date: September 28, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuya ORI, Michio CHO