Patents Assigned to TOKYO VISIONARY OPTICS CO., LTD.
  • Patent number: 11988815
    Abstract: 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 being formed in a meniscus shape 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 negative refractive power in a paraxial region, a fourth lens with positive refractive power in a paraxial region, a fifth lens having aspheric surfaces on both sides, and a sixth lens with negative refractive power having an image-side surface being concave in a paraxial region, and predetermined conditional expressions are satisfied.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: May 21, 2024
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventor: Huang Zhiyu
  • Patent number: 11988816
    Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of wide field of view, 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, a fourth lens being a double-sided aspheric lens, a fifth lens, a sixth lens having an image-side surface being concave in a paraxial region, and a seventh lens with negative refractive power having an image-side surface being concave in a paraxial region, wherein the image-side surface of the seventh lens is an aspheric surface having at least one pole point in a position off the optical axis, and predetermined conditional expressions are satisfied.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: May 21, 2024
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventor: Koji Nitta
  • Patent number: 11988813
    Abstract: 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 being formed in a meniscus shape 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 negative refractive power in a paraxial region, a fourth lens with positive refractive power in a paraxial region, a fifth lens having aspheric surfaces on both sides, and a sixth lens with negative refractive power having an image-side surface being concave in a paraxial region, and predetermined conditional expressions are satisfied.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: May 21, 2024
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventor: Huang Zhiyu
  • Patent number: 11982872
    Abstract: 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 formed in a biconvex shape 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 positive refractive power having an image-side surface being concave in a paraxial region; a fourth lens with positive refractive power in a paraxial region; and a fifth lens with negative refractive power having an object-side surface being concave in a paraxial region; and predetermined conditional expressions are satisfied.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: May 14, 2024
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventor: Kenichi Kamada
  • Patent number: 11982874
    Abstract: 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: Grant
    Filed: August 2, 2021
    Date of Patent: May 14, 2024
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventors: Kenichi Kamada, Masaya Hashimoto
  • Patent number: 11982873
    Abstract: 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: Grant
    Filed: April 8, 2020
    Date of Patent: May 14, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventors: Kenichi Kamada, Masaya Hashimoto
  • Patent number: 11971526
    Abstract: 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: Grant
    Filed: May 3, 2021
    Date of Patent: April 30, 2024
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventor: Masaya Hashimoto
  • Patent number: 11947087
    Abstract: 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 and positive refractive power near an optical axis, a second lens having negative refractive power near the optical axis, a third lens having aspheric surfaces on both sides, a fourth lens, and a fifth lens having a concave surface facing the image side and the negative refractive power near the optical axis, wherein an image-side surface of said fifth lens is formed as an aspheric surface having at least one pole point in a position off the optical axis, and predetermined conditional expressions are satisfied.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: April 2, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Huang Yunbai
  • Patent number: 11927827
    Abstract: 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: Grant
    Filed: January 28, 2021
    Date of Patent: March 12, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Masaya Hashimoto
  • Patent number: 11914112
    Abstract: 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 has excellent optical characteristics. 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, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens having a concave surface facing the image side near the optical axis and negative refractive power, wherein an image-side surface of said seventh lens is formed as an aspheric surface having at least one pole point in a position off the optical axis, said second lens has positive refractive power near the optical axis, and said sixth lens has plane surfaces both on the object side and the image side and is formed as a double-sided aspheric lens.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: February 27, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Hisao Fukaya
  • Patent number: 11914113
    Abstract: 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 has excellent optical characteristics. 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, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens having a concave surface facing the image side near the optical axis and negative refractive power, wherein an image-side surface of said seventh lens is formed as an aspheric surface having at least one pole point in a position off the optical axis, said second lens has positive refractive power near the optical axis, and said sixth lens has plane surfaces both on the object side and the image side and is formed as a double-sided aspheric lens.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: February 27, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Hisao Fukaya
  • Patent number: 11899180
    Abstract: 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: Grant
    Filed: August 2, 2021
    Date of Patent: February 13, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Masaya Hashimoto
  • Patent number: 11899174
    Abstract: There is provided a compact and high-resolution imaging lens at a low cost.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: February 13, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Yukio Sekine
  • Patent number: 11899187
    Abstract: There is provided a compact imaging lens configured to properly correct aberrations. The imaging lens includes, in order from an object side to an image side, a first lens L1 with positive refractive power, a second lens L2 with negative refractive power, a third lens L3 with positive refractive power, a fourth lens L4 with positive refractive power, a fifth lens L5, a sixth lens L6, a seventh lens L7 with positive refractive power, and an eighth lens L8 with negative refractive power. The eighth lens L8 is formed in a shape of a meniscus lens in a paraxial region, and has an aspheric image-side surface having at least one inflection point. In addition, the following conditional expressions are satisfied: ?5.00<f2/f<?2.00 10.00<f4/f<25.00 where f: a focal length of the overall optical system of the imaging lens, f2: a focal length of the second lens, and f4: a focal length of the fourth lens.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: February 13, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Hitoshi Hirano
  • Patent number: 11899173
    Abstract: There is provided a compact and high-resolution imaging lens at a low cost.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: February 13, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Yukio Sekine
  • Patent number: 11892606
    Abstract: 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: Grant
    Filed: May 3, 2021
    Date of Patent: February 6, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Masaya Hashimoto
  • Patent number: 11885936
    Abstract: 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: Grant
    Filed: May 3, 2021
    Date of Patent: January 30, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Masaya Hashimoto
  • Patent number: 11874433
    Abstract: There is provided a compact and high-resolution imaging lens at a low cost.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: January 16, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Yukio Sekine
  • Patent number: 11874440
    Abstract: There is provided a compact and high-resolution imaging lens at a low cost.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: January 16, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Yukio Sekine
  • Patent number: 11867878
    Abstract: 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 a convex object-side surface in a paraxial region, a second lens with negative refractive power in a paraxial region, a third lens with positive refractive power in a paraxial region, a fourth lens, a fifth lens with negative refractive power in a paraxial region, a sixth lens with positive refractive power having a convex object-side surface 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: Grant
    Filed: June 8, 2020
    Date of Patent: January 9, 2024
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Huang Yunbai