Patents Examined by Evelyn A. Lester
  • Patent number: 11372217
    Abstract: An image forming lens system includes an aperture stop, and an image-side lens unit group which is disposed on an image side of the aperture stop. The image-side lens unit group includes a first image-side lens unit having a negative refractive power, a second image-side lens unit having a positive refractive power, and a third image-side lens unit having a negative refractive power. Any one of the first image-side lens unit, the second image side lens unit, and the third image-side lens unit is a focusing lens unit which moves along the optical axis at the time of focusing, and the following conditional expression (1) is satisfied: 0.06<|ffo/f|<0.4 ??(1) where, f denotes a focal length of the image forming lens system at the time of focusing at an object at infinity, and ffo denotes a focal length of the focusing lens unit.
    Type: Grant
    Filed: January 2, 2019
    Date of Patent: June 28, 2022
    Assignee: OM DIGITAL SOLUTIONS CORPORATION
    Inventors: Kazuteru Kawamura, Takashi Fujikura
  • Patent number: 11366288
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed in numerical order along an optical axis of the optical imaging system from an object side of the optical imaging system toward an imaging plane of the optical imaging system, wherein the optical imaging system satisfies 1<|f123457?f|/f, where f123457 is a composite focal length of the first to seventh lenses calculated with an index of refraction of the sixth lens set to 1.0, f is an overall focal length of the optical imaging system, and f123457 and f are expressed in a same unit of measurement.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: June 21, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa Son, Min Hyuk Im, Yong Joo Jo, Ga Young An
  • Patent number: 11340425
    Abstract: The present disclosure relates to the technical field of optical lens and discloses a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. The camera optical lens satisfies following conditions: 1.51?f1/f?2.50, 1.70?n2?2.20, ?2.00?f3/f4?0.00, ?10.00?(R13+R14)/(R13?R14)?0.00 and 1.70?n7?2.20, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; f3 denotes a focal length of the third lens; f4 denotes a focal length of the fourth lens; n2 denotes a refractive index of the second lens; n7 denotes a refractive index of the seventh lens; R13 denotes a curvature radius of an object-side surface of the seventh lens; and R14 denotes a curvature radius of an image-side surface of the seventh lens.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: May 24, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Kaoru Yamazaki, Lei Zhang
  • Patent number: 11333850
    Abstract: The present disclosure relates to a camera lens including five lenses, and having good optical characteristics and a narrow angle. The camera lens satisfies specified conditions and includes, in an order from an object side to an image side, a first lens with a positive refractive power, a second lens with a negative refractive power, a third lens with a positive refractive power, a fourth lens with a positive refractive power and a fifth lens with a negative refractive power.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: May 17, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventor: Hiroyuki Teraoka
  • Patent number: 11327282
    Abstract: A zoom lens includes a negative first lens group, a positive second lens group, and a subsequent lens group in order from an object side. A focusing lens group closer to an image side than the first lens group moves during focusing. The first lens group consists of a first-a lens group and a first-b lens group in order from the object side. Assuming that an average of refractive indices of the negative lenses of the first-a lens group is Nd1ave, a focal length of the focusing lens group is ff, and a focal length of the first lens group is f1, Conditional Expression (1) of 1.73<Nd1ave<1.95 and Conditional Expression (2) of 1<|ff/f1|<3 are satisfied.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: May 10, 2022
    Assignee: FUJIFILM Corporation
    Inventor: Daiki Kawamura
  • Patent number: 11327278
    Abstract: A lens system is configured to form an image on an imaging element having a quadrilateral shape disposed on an optical axis, and includes a first free-curved lens being asymmetrical with respect to the optical axis. A free-curved surface of the first free-curved lens has negative refractive power at an intersection point between a circle separated from the optical axis by a length having a predetermined ratio with respect to a minimum image height and a first surface passing through the optical axis and parallel to longer sides of the imaging element, and positive refractive power at an intersection point between a circle separated from the optical axis by a length having the predetermined ratio with respect to the minimum image height and a second surface passing through the optical axis and parallel to shorter sides of the imaging element. The predetermined ratio ranges from 40% to 80% inclusive.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: May 10, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Yoshio Matsumura
  • Patent number: 11287608
    Abstract: The present disclosure provides a camera lens including six lenses, having good optical characteristics under near-infrared light and having a bright F number. The camera lens includes, from an object side: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; and a sixth lens having a positive refractive power. The camera lens satisfies prescribed conditions.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: March 29, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventor: Hiroyuki Teraoka
  • Patent number: 11287607
    Abstract: The present disclosure provides a camera lens which has good optical properties and a narrow angle, and includes five lenses. The camera lens includes, from an object side, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a positive refractive power, and a fifth lens having a positive refractive power. The camera lens satisfies specified relational expressions.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: March 29, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventor: Hiroyuki Teraoka
  • Patent number: 11262555
    Abstract: Provided is a camera optical lens including, sequentially from an object side to an image side, first to seventh lenses. The camera optical lens satisfies following conditions: 20.00?R7/d7?30.00; 20.00?v7?v5?30.00; and ?12.00?(R1?R2)/(R3?R4)??1.00, where v5 denotes an abbe number of the fifth lens; v7 denotes an abbe number of the seventh lens; R1 denotes a curvature radius of an object side surface of the first lens; R2 denotes a curvature radius of an image side surface of the first lens; R3 denotes a curvature radius of an object side surface of the second lens; R4 denotes a curvature radius of an image side surface of the second lens; R7 denotes a curvature radius of an object side surface of the fourth lens; and d7 denotes an on-axis thickness of the fourth lens. The camera optical lens can achieve high optical performance such as large-aperture, wide-angle and ultra-thin.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: March 1, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Kaoru Yamazaki, Lei Zhang, Yuanshan Cui
  • Patent number: 11262551
    Abstract: The present disclosure provides a camera lens including six lenses, having good optical characteristics under near-infrared light and having a bright F number. The camera lens includes, from an object side: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; and a sixth lens having a positive refractive power. The camera lens satisfies prescribed conditions.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: March 1, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventor: Hiroyuki Teraoka
  • Patent number: 11249280
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed in numerical order along an optical axis of the optical imaging system from an object side of the optical imaging system toward an imaging plane of the optical imaging system, wherein the first to seventh lenses are spaced apart from each other along the optical axis, and the optical imaging system satisfies 0.1<L1w/L7w<0.4, where L1w is a weight of the first lens, L7w is a weight of the seventh lens, and L1w and L7w are expressed in a same unit of measurement.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: February 15, 2022
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ho Sik Yoo, Dong Shin Yang, Yong Joo Jo, Ga Young An
  • Patent number: 11237367
    Abstract: The present invention provides a camera optical lens including, from an object side to an image side: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power first to seventh lenses. The camera optical lens satisfies following conditions: 8.00?d1/d2?16.00; 0.40?(d2+d6)/d4?0.70; and 0.50?R2/R3?1.20. The camera optical lens can achieve high optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: February 1, 2022
    Assignee: AAC Optics Solution Pte. Ltd.
    Inventors: Takaaki Teranishi, Lei Zhang, Yuanshan Cui
  • Patent number: 11237366
    Abstract: The application discloses an optical imaging lens, and the optical imaging lens sequentially comprises the following components from an object side to an image side along an optical axis: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens, wherein the first lens has a refractive power; the second lens has a refractive power; the third lens has a refractive power, the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a convex surface; the fourth lens has a refractive power, the object side surface of the fourth lens is a convex surface, and the image side surface of the fourth lens is a concave surface; the fifth lens has a refractive power; the sixth lens has a positive refractive power; and the seventh lens has a refractive power, and the object side surface of the seventh lens is a convex surface.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: February 1, 2022
    Assignee: Zhejiang Sunny Optical Co., Ltd
    Inventors: Fujian Dai, Lin Huang, Yunbing Ji
  • Patent number: 11221465
    Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: 4.00?f1/f?7.00 and ?20.00?R9/d9??9.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: January 11, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Takaaki Teranishi, Lei Zhang, Yanmei Wang, Dan Zhang
  • Patent number: 11221464
    Abstract: The present disclosure relates to the technical field of optical lens and discloses a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens and a sixth lens. The camera optical lens satisfies the following conditions: 5.00?f1/f?10.00 and 13.00?R3/d3, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; R3 denotes a curvature radius of an object-side surface of the second lens; d3 denotes an on-axis thickness of the second lens. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: January 11, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Kenji Oinuma, Lei Zhang
  • Patent number: 11215793
    Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: 4.00?f1/f?6.00; and 6.00?R5/d5?9.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: January 4, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Kenji Oinuma, Lei Zhang, Yanmei Wang, Wenbo Hu
  • Patent number: 11215799
    Abstract: The present disclosure relates to the technical field of optical lens and discloses a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens and a sixth lens. The camera optical lens satisfies following conditions: 3.00?f1/f?7.00 and 9.00?R9/d9?14.00, where f denotes a focal length of the camera optical lens; f1 denotes a focal length of the first lens; R9 denotes a curvature radius of an object-side surface of the fifth lens; and d9 denotes an on-axis thickness of the fifth lens. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: January 4, 2022
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Kenji Oinuma, Lei Zhang
  • Patent number: 11209613
    Abstract: The present disclosure relates to the field of optical lenses and provides a camera optical lens. The camera optical lens includes, from an object side to an image side: a first lens; a second lens having a positive refractive power; a third lens having a positive refractive power; a fourth lens; a fifth lens; and a sixth lens. The camera optical lens satisfies following conditions: 6.00?f1/f?10.00; and ?23.00?R5/d5??10.00. The camera optical lens can achieve a high imaging performance while obtaining a low TTL.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: December 28, 2021
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Takaaki Teranishi, Lei Zhang, Yanmei Wang, Dan Zhang
  • Patent number: 11209627
    Abstract: The present invention discloses a camera optical lens. The camera optical lens include, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The second lens has a negative refractive power, and the third lens has a positive refractive power. The camera optical lens further satisfies the specific conditions: 1.30f1/f35.00; 8.00R5/R620.00. The camera optical lens can achieve a high performance while obtaining a low TTL.
    Type: Grant
    Filed: November 10, 2019
    Date of Patent: December 28, 2021
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Jian Ma, Lei Zhang
  • Patent number: 11209617
    Abstract: The present invention provides a camera optical lens including, sequentially from an object side to an image side: a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; a fifth lens having a positive refractive power; and a sixth lens having a negative refractive power. The camera optical lens satisfies following conditions: 1.00?R10/(R11+R12)?10.00; 0.60?R9/(R7+R8)?1.80; and 1.00?R5/R3?3.00, where R3, R5, R7, R9, and R11 denote curvature radiuses of object side surfaces of the second, third, fourth, fifth and sixth lenses, respectively; and R8, R10 and R12 denote curvature radiuses of image side surfaces of the fourth, fifth and sixth lenses, respectively. The camera optical lens can achieve high optical performance while satisfying design requirements for ultra-thin, wide-angle lenses having large apertures.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: December 28, 2021
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Koji Nitta, Lei Zhang, Yuanshan Cui