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).

  • Patent number: 12270971
    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, 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: Grant
    Filed: April 1, 2021
    Date of Patent: April 8, 2025
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventor: Masaya Hashimoto
  • Patent number: 12228702
    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, 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: Grant
    Filed: August 2, 2021
    Date of Patent: February 18, 2025
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventor: Masaya Hashimoto
  • Patent number: 12158562
    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, 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: Grant
    Filed: May 27, 2021
    Date of Patent: December 3, 2024
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventors: Masaki Yamazaki, Masaya Hashimoto
  • Patent number: 12078785
    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 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: Grant
    Filed: August 2, 2021
    Date of Patent: September 3, 2024
    Assignee: TOKYO VISIONARY OPTICS Co., Ltd.
    Inventors: Koji Nitta, 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: 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: 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: 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: 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: 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: 11889899
    Abstract: A shoe sole comprises a bottom surface including a plurality of grooves arranged in a longitudinal direction of the shoe sole for engaging the engagement parts 6a, 6b that are formed parallel to the pedal shaft 8 of the bicycle pedal, and a protrusion having a ground contact surface between the grooves adjacent in the longitudinal direction, the sole characterized in that the protrusion has a width W2 in the longitudinal direction on an inner side in the left-right direction with respect to both feet of a wearer that is wider than a width W1 on an outer side in the left-right direction with respect to both feet of a wearer.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: February 6, 2024
    Assignee: Shimano Inc.
    Inventors: Toshiaki Aoki, 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: 11852788
    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 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: Grant
    Filed: June 8, 2020
    Date of Patent: December 26, 2023
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventors: Koji Nitta, Masaya Hashimoto
  • Patent number: 11835687
    Abstract: There is provided an imaging lens with excellent optical characteristics which satisfies demand of a low profile and a low F-number.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: December 5, 2023
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventors: Kenichi Kamada, Masaya Hashimoto
  • Patent number: 11828919
    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: October 9, 2020
    Date of Patent: November 28, 2023
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Masaya Hashimoto
  • Patent number: 11828909
    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: November 28, 2023
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Masaya Hashimoto
  • Patent number: 11808923
    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: November 7, 2023
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Masaya Hashimoto
  • Patent number: 11796772
    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: October 24, 2023
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventor: Masaya Hashimoto
  • Patent number: 11774720
    Abstract: There is provided a compact imaging lens which meets demand of low-profileness, reduction in telephoto ratio and low F-number, and properly corrects aberrations. An imaging lens comprising in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens having a convex surface facing the image side near an optical axis, and a fifth lens having positive refractive power, wherein a below conditional expression (1) is satisfied: 0.64<TTL/f<1.0??(1) where f: focal length of the overall optical system of the imaging lens, and TTL: distance along the optical axis from an object-side surface of the first lens to an image plane.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: October 3, 2023
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventors: Hisao Fukaya, Masaya Hashimoto
  • Patent number: 11754814
    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 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: Grant
    Filed: August 2, 2021
    Date of Patent: September 12, 2023
    Assignee: TOKYO VISIONARY OPTICS CO., LTD.
    Inventors: Yukio Sekine, Masaya Hashimoto