Patents by Inventor Hua Qi

Hua Qi 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: 12339420
    Abstract: Provided is an eyeglass lens 1 configured to cause rays that have entered from an object-side surface 3 to be emitted from an eyeball-side surface 4, and cause the emitted rays to converge at a predetermined position A. The eyeglass lens 1 includes a lens substrate 2 having a plurality of substrate convex portions 6 on at least one of the object-side surface 3 and the eyeball-side surface 4, and a coating film covering the surface provided with the substrate convex portions 6. The shape of convex portions present on the outermost surface of the eyeglass lens located on a side on which the substrate convex portions 6 are provided is an approximate shape of the substrate convex portions configured to cause rays that have entered the eyeglass lens 1 to converge at a position B that is closer to the object than the predetermined position A is.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: June 24, 2025
    Assignee: HOYA LENS THAILAND LTD.
    Inventors: Hua Qi, Takako Ishizaki, Shigetoshi Kono
  • Patent number: 12292622
    Abstract: Provided are a spectacle lens and a technique associated therewith, the spectacle lens including: an object-side surface and an eyeball-side surface; a first refractive region having a first refractive power based on a prescription for correcting a refractive error of an eye; and a second refractive region having a refractive power different from the first refractive power, the second refractive region having a function of forming a focal point at a position other than a retina of the eye so as to suppress progression of the refractive error of the eye, wherein an interface portion is disposed inside the spectacle lens, the interface portion includes a base portion, and convex portions protruding from the base portion, or concave portions recessed from the base portion, the function of the second refractive region is exerted by using mutually different respective refractive indexes of two types of members sandwiching the interface portion therebetween, and the convex portions or the concave portions, and an o
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: May 6, 2025
    Assignee: HOYA LENS THAILAND LTD.
    Inventors: Hua Qi, Takako Ishizaki, Keigo Hasegawa
  • Patent number: 12276870
    Abstract: The present invention provides an eyeglass lens and its related techniques, the eyeglass lens including: a base region that causes a light flux that has entered from an object-side face to exit from an eyeball-side face, and to enter an eye and converge at a position A on a retina; and a plurality of defocus regions that are in contact with the base region, wherein the defocus regions each include a first portion and a second portion, a refractive power of the first portion is within ±0.12 D of the refractive power of the base region, and a light flux that passes through the second portion of the defocus region is incident on the position A as diverging light.
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: April 15, 2025
    Assignee: HOYA LENS THAILAND LTD.
    Inventor: Hua Qi
  • Publication number: 20240345419
    Abstract: There is provided a spectacle lens and a related technique thereof, including: center clear areas, functional areas, and outer clear areas, wherein in planar view, the functional area falls within a circle centered on an eye point and having a diameter that is any one value of 15.00 to 25.00 mm.
    Type: Application
    Filed: August 5, 2022
    Publication date: October 17, 2024
    Applicant: HOYA LENS THAILAND LTD.
    Inventor: Hua QI
  • Publication number: 20240337865
    Abstract: A spectacle lens, including: a central clear area that is an area including an eye point and allows a light beam entering from an object-side surface to exit from an eyeball-side surface, enter into a wearer's pupil, and converge on a retina; and a functional area that is an annular area surrounding the central clear area.
    Type: Application
    Filed: August 5, 2022
    Publication date: October 10, 2024
    Applicant: HOYA LENS THAILAND LTD.
    Inventor: Hua QI
  • Patent number: 12092547
    Abstract: Provided is a method for evaluating an eyeglass lens that has a plurality of convex portions on at least one of an object-side surface and an eyeball-side surface, in which the eyeglass lens is evaluated based on the number of rays at a plurality of focal positions A at which rays, which pave passed through the plurality of convex portions in a predetermined evaluation region of the eyeglass lens, converge when ray tracing is performed on the predetermined evaluation region, and technology related thereto.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: September 17, 2024
    Assignee: HOYA LENS THAILAND LTD.
    Inventors: Hua Qi, Takahiro Uchidani
  • Publication number: 20240248326
    Abstract: Provided is an eyeglass lens configured to cause rays that have entered from an object-side surface to be emitted from an eyeball-side surface and cause the emitted rays to converge at a predetermined position A. The eyeglass lens includes a lens base material having a plurality of base material convex portions on at least one of the object-side surface and the eyeball-side surface, and the eyeglass lens has a configuration for suppressing stray light rays that do not pass through the vicinity of the predetermined position A or the vicinity of the position B that is closer to the object than the predetermined position A is.
    Type: Application
    Filed: February 29, 2024
    Publication date: July 25, 2024
    Applicant: HOYA LENS THAILAND LTD.
    Inventors: Hua QI, Takako ISHIZAKI, Shigetoshi KONO
  • Patent number: 12013598
    Abstract: Provided is an eyeglass lens 1 configured to cause rays that have entered from an object-side surface 3 to be emitted from an eyeball-side surface 4 and cause the emitted rays to converge at a predetermined position A. The eyeglass lens 1 includes a lens base material 2 having a plurality of base material convex portions 6 on at least one of the object-side surface 3 and the eyeball-side surface 4, and a coating film covering the surface provided with the base material convex portions 6, in which convex portions present on the outermost surface of the eyeglass lens 1 located on a side on which the base material convex portions 6 are provided and the base material convex portions 6 have common light ray convergence properties.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: June 18, 2024
    Assignee: HOYA LENS THAILAND LTD.
    Inventors: Hua Qi, Takako Ishizaki, Shigetoshi Kono
  • Patent number: 12007626
    Abstract: An object is to not lose an effect of suppressing the progression of myopia or hyperopia even in a peripheral area of a spectacle lens. A spectacle lens and a technology related thereto are provided, the spectacle lens including: a first area that causes light rays incident on an object-side face of the lens to exit from an eyeball-side face of the lens and to converge at a predetermined position A on a retina of a wearer; and a plurality of second areas configured to cause light rays to converge at a position B on the object side or a position C on the distal side relative to the position A, wherein, in the first area in a peripheral area of the spectacle lens that is a radius range from 4.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: June 11, 2024
    Assignee: HOYA LENS THAILAND LTD.
    Inventors: Toshiaki Sonehara, Hua Qi
  • Publication number: 20240168313
    Abstract: There is provided a spectacle lens, including: a base region where a light flux incident from an object-side surface is emitted from an eyeball-side surface and converges on a retina through an eyeball; a plurality of defocus regions in contact with the base region and having a property that the light flux passing through at least a part of the defocus region is incident on a retina as a divergent light; and a first defocus region arrangement portion in which the plurality of defocus regions are arranged in such a manner that a 4 mm diameter circular region including only one defocus region exists in a circle in a planar view of the object-side surface.
    Type: Application
    Filed: January 12, 2022
    Publication date: May 23, 2024
    Applicant: HOYA LENS THAILAND LTD.
    Inventor: Hua QI
  • Patent number: 11947191
    Abstract: Provided is an eyeglass lens configured to cause rays that have entered from an object-side surface to be emitted from an eyeball-side surface and cause the emitted rays to converge at a predetermined position A. The eyeglass lens includes a lens base material having a plurality of base material convex portions on at least one of the object-side surface and the eyeball-side surface, and the eyeglass lens has a configuration for suppressing stray light rays that do not pass through the vicinity of the predetermined position A or the vicinity of the position B that is closer to the object than the predetermined position A is.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: April 2, 2024
    Assignee: HOYA LENS THAILAND, LTD.
    Inventors: Hua Qi, Takako Ishizaki, Shigetoshi Kono
  • Patent number: 11880094
    Abstract: Provided is an eyeglass lens 1 configured to cause rays that have entered from an object-side surface 3 to be emitted from an eyeball-side surface 4, and cause the emitted rays to converge at a predetermined position A. The eyeglass lens 1 includes a lens base material 2 having a plurality of base material convex portions 6 on at least one of the object-side surface 3 and the eyeball-side surface 4, and a coating film covering the surface provided with the base material convex portions 6. The shape of convex portions present on the outermost surface of the eyeglass lens located on a side on which the base material convex portions 6 are provided is an approximate shape of the base material convex portions configured to cause rays that have entered the eyeglass lens 1 to converge at a position B that is closer to the object than the predetermined position A is.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: January 23, 2024
    Assignee: HOYA LENS THAILAND LTD.
    Inventors: Hua Qi, Takako Ishizaki, Shigetoshi Kono
  • Publication number: 20230273458
    Abstract: A technology for inhibition of myopia progression adapted to the RPR of the wearer is provided. A spectacle lens and related technology are provided that include a base area that causes a beam that enters through an object-side surface to exit through an eye-side surface and converge on a retina via the eye, and a plurality of defocus areas that each contact the base area and have a characteristic whereby a beam that passes through at least a portion of the defocus area is incident on the retina as a diverging ray, and, in not less than half of the plurality of defocus areas, at least one of a defocus power and a size of each defocus area is set, so as to compensate for a change in retinal spot size due to relative peripheral refraction (RPR) that depends on an eccentricity angle of the eye of the wearer.
    Type: Application
    Filed: July 14, 2021
    Publication date: August 31, 2023
    Applicants: HOYA LENS THAILAND LTD., THE HONG KONG POLYTECHNIC UNIVERSITY
    Inventors: Hua QI, Chi Ho TO, Siu Yin LAM
  • Publication number: 20230229018
    Abstract: The present invention provides an eyeglass lens and its related techniques, the eyeglass lens including: a base region that causes a luminous flux that has entered from an object-side face to exit from an eyeball-side face, and to enter an eye and converge on a retina; and a plurality of defocus regions that are in contact with the base region and that are each configured such that a luminous flux that passes through at least a part of the corresponding defocus region enters the retina as diverging light, in which a defocus spot angle (DSA) of the luminous flux that causes a light spot having a size mainly for cones is set in a defocus region located near the center of the eyeglass lens, and a defocus spot angle (DSA) of the luminous flux that causes a light spot having a size mainly for rods is set in a defocus region located near the periphery of the eyeglass lens.
    Type: Application
    Filed: February 25, 2021
    Publication date: July 20, 2023
    Applicant: HOYA LENS THAILAND LTD.
    Inventor: Hua QI
  • Publication number: 20230152182
    Abstract: An eyeglasses lens evaluation device includes a fixation point setting part to set a fixation point on an evaluation target space and set a line of sight passing position on eyeglasses lenses when a wearer wears the eyeglasses lenses and looks at the fixation point, an apparent position calculating part to calculate an apparent position of each of a plurality of evaluation points set on the evaluation target space in a state where the wearer wears the eyeglasses lenses and fixates the wearer's eyes on the fixation point via the line of sight passing positions, a difference calculating part to calculate, for each of the plurality of evaluation points, a difference between the apparent position and a reference position, and an evaluation index calculating part to calculate an evaluation index by taking statics of the difference for each of the plurality of evaluation points calculated by difference calculating part.
    Type: Application
    Filed: March 17, 2021
    Publication date: May 18, 2023
    Applicant: HOYA LENS THAILAND LTD.
    Inventor: Hua QI
  • Publication number: 20230113972
    Abstract: The present invention provides an eyeglass lens and its related techniques, the eyeglass lens including: a base region that causes a light flux that has entered from an object-side face to exit from an eyeball-side face, and to enter an eye and converge at a position A on a retina; and a plurality of defocus regions that are in contact with the base region, wherein the defocus regions each include a first portion and a second portion, a refractive power of the first portion is within ±0.12 D of the refractive power of the base region, and a light flux that passes through the second portion of the defocus region is incident on the position A as diverging light.
    Type: Application
    Filed: January 18, 2021
    Publication date: April 13, 2023
    Applicant: HOYA LENS THAILAND LTD.
    Inventor: Hua QI
  • Publication number: 20230083468
    Abstract: The present invention provides an eyeglass lens and its related techniques, the eyeglass lens including: a base region that causes a light flux that has entered from an object-side face to exit from an eyeball-side face, and to enter an eye and converge at a position A on a retina; and a plurality of defocus regions that are in contact with the base region, in which a light flux that passes through at least part of each defocus region is incident on the position A as diverging light, wherein a refractive power in the defocus regions increases in a direction from a center portion to a peripheral portion.
    Type: Application
    Filed: January 18, 2021
    Publication date: March 16, 2023
    Applicant: HOYA LENS THAILAND LTD.
    Inventor: Hua QI
  • Publication number: 20230020067
    Abstract: Provided is an eyeglass lens 1 configured to cause rays that have entered from an object-side surface 3 to be emitted from an eyeball-side surface 4, and cause the emitted rays to converge at a predetermined position A. The eyeglass lens 1 includes a lens substrate 2 having a plurality of substrate convex portions 6 on at least one of the object-side surface 3 and the eyeball-side surface 4, and a coating film covering the surface provided with the substrate convex portions 6. The shape of convex portions present on the outermost surface of the eyeglass lens located on a side on which the substrate convex portions 6 are provided is an approximate shape of the substrate convex portions configured to cause rays that have entered the eyeglass lens 1 to converge at a position B that is closer to the object than the predetermined position A is.
    Type: Application
    Filed: December 15, 2020
    Publication date: January 19, 2023
    Applicant: HOYA LENS THAILAND LTD.
    Inventors: Hua QI, Takako ISHIZAKI, Shigetoshi KONO
  • Publication number: 20220240774
    Abstract: A binocular visual function measurement method includes a visual target presentation step of presenting a right eye image to be viewed by the right eye of a measurement subject and a left eye image to be viewed by the left eye of the measurement subject to the subject in a space where real space information is blocked out; a presentation control step of changing positions where the right and left eye images are presented, relative to each other; a timing detection step of detecting a timing at which the measurement subject is unable to fuse the right and left eye images when the presentation positions are changed; and a parameter value calculation step of calculating a predetermined parameter value regarding a binocular visual function of the measurement subject based on a relationship between the relative positions of the right and left eye images when the timing is detected.
    Type: Application
    Filed: July 27, 2020
    Publication date: August 4, 2022
    Applicant: HOYA LENS THAILAND LTD.
    Inventor: Hua QI
  • Publication number: 20220244567
    Abstract: Provided are a spectacle lens and a technique associated therewith, the spectacle lens including: an object-side surface and an eyeball-side surface; a first refractive region having a first refractive power based on a prescription for correcting a refractive error of an eye; and a second refractive region having a refractive power different from the first refractive power, the second refractive region having a function of forming a focal point at a position other than a retina of the eye so as to suppress progression of the refractive error of the eye, wherein an interface portion is disposed inside the spectacle lens, the interface portion includes a base portion, and convex portions protruding from the base portion, or concave portions recessed from the base portion, the function of the second refractive region is exerted by using mutually different respective refractive indexes of two types of members sandwiching the interface portion therebetween, and the convex portions or the concave portions, and an o
    Type: Application
    Filed: September 1, 2020
    Publication date: August 4, 2022
    Applicant: HOYA LENS THAILAND LTD.
    Inventors: Hua QI, Takako ISHIZAKI, Keigo HASEGAWA