Patents by Inventor Jin Sen WANG
Jin Sen WANG 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).
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Publication number: 20240085664Abstract: An imaging system lens assembly includes, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The second lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The third lens element has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The fifth lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof and having at least one inflection point.Type: ApplicationFiled: October 5, 2022Publication date: March 14, 2024Applicant: LARGAN PRECISION CO., LTD.Inventors: Wei-Xiang FU, Jin Sen WANG, I-Hsuan CHEN, Hsin-Hsuan HUANG
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Patent number: 11719911Abstract: An imaging optical lens assembly includes seven lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The third lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The fourth lens element has negative refractive power. The fifth lens element has an object-side surface being concave in a paraxial region thereof. The sixth lens element with negative refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, and the image-side surface of the sixth lens element has at least one critical point in an off-axis region thereof.Type: GrantFiled: December 8, 2020Date of Patent: August 8, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Yu Jui Lin, Yu-Chun Ke, Jin Sen Wang, Wei-Yu Chen, Chun-Yen Chen
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Patent number: 11686922Abstract: An imaging optical lens assembly includes seven lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The third lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The fourth lens element has negative refractive power. The fifth lens element has an object-side surface being concave in a paraxial region thereof. The sixth lens element with negative refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, and the image-side surface of the sixth lens element has at least one critical point in an off-axis region thereof.Type: GrantFiled: June 10, 2020Date of Patent: June 27, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Yu Jui Lin, Yu-Chun Ke, Jin Sen Wang, Wei-Yu Chen
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Publication number: 20230194834Abstract: An optical lens system includes two lens elements which are, in order from an object side to an image side along an optical path: a first lens element and a second lens element. Each of the two lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one of the object-side surface and the image-side surface of at least one lens element of the optical lens system is aspheric. A total number of the lens elements in the optical lens system is two.Type: ApplicationFiled: February 16, 2023Publication date: June 22, 2023Applicant: LARGAN PRECISION CO., LTD.Inventors: Chun-Che HSUEH, Jin Sen WANG, Hsin-Hsuan HUANG, Fuh-Shyang YANG
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Patent number: 11668898Abstract: An image lens assembly includes five lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element has positive refractive power. The second lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The fourth lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and having at least one concave critical point in an off-axis region thereof. The fifth lens element has an image-side surface being concave in a paraxial region thereof and having at least one convex critical point in an off-axis region thereof.Type: GrantFiled: September 14, 2020Date of Patent: June 6, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Yu-Chun Ke, Jin Sen Wang, Ssu-Hsin Liu, Wei-Yu Chen
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Patent number: 11662551Abstract: An optical lens assembly includes four lens elements which are, in order from an object side to an image side along an imaging optical path: a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has positive refractive power. The second lens element has an image-side surface being concave in a paraxial region thereof. The third lens element has an object-side surface being concave in a paraxial region thereof. The fourth lens element with negative refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, and at least one of the object-side surface and the image-side surface of the fourth lens element has at least one inflection point in an off-axis region thereof.Type: GrantFiled: March 10, 2020Date of Patent: May 30, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Kuo-Jui Wang, Kuan Chun Wang, Hung-Shuo Chen, Jin Sen Wang, Syuan Ruei Lai, Wei-Yu Chen
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Publication number: 20230132957Abstract: An optical photographing system includes seven lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. Each of the seven lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The object-side surface of the sixth lens element is convex in a paraxial region thereof. At least one of the object-side surface and the image-side surface of at least one lens element of the optical photographing system has at least one inflection point.Type: ApplicationFiled: November 30, 2021Publication date: May 4, 2023Applicant: LARGAN PRECISION CO., LTD.Inventors: Jin Sen WANG, Kuo-Jui WANG, Kuan-Ting YEH, Tzu-Chieh KUO
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Publication number: 20220350114Abstract: An optical lens system includes two lens elements which are, in order from an object side to an image side along an optical path: a first lens element and a second lens element. Each of the two lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one of the object-side surface and the image-side surface of at least one lens element of the optical lens system is aspheric. A total number of the lens elements in the optical lens system is two.Type: ApplicationFiled: September 21, 2021Publication date: November 3, 2022Applicant: LARGAN PRECISION CO., LTD.Inventors: Chun-Che HSUEH, Jin Sen WANG, Hsin-Hsuan HUANG, FUH-SHYANG YANG
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Patent number: 11480765Abstract: An imaging optical system includes six lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. Each of the six lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one of the six lens elements is a freeform lens element, and at least one of the object-side surface and the image-side surface of the at least one freeform lens element is a freeform surface.Type: GrantFiled: January 2, 2020Date of Patent: October 25, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Yu Jui Lin, Cheng-Yuan Liao, Jin Sen Wang, Tzu-Chieh Kuo
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Publication number: 20220236530Abstract: An optical photographing lens assembly includes five lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. Each of the five lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The first lens element has negative refractive power, and the object-side surface of the first lens element is concave in a paraxial region thereof. The five lens elements include at least one freeform lens element, and at least one of the object-side surface and the image-side surface of the at least one freeform lens element is a freeform surface.Type: ApplicationFiled: March 10, 2021Publication date: July 28, 2022Applicant: LARGAN PRECISION CO., LTD.Inventors: Yu Jui LIN, Jin Sen WANG, Tzu-Chieh KUO
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Publication number: 20220035131Abstract: An image lens assembly includes five lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element has positive refractive power. The second lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The fourth lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and having at least one concave critical point in an off-axis region thereof. The fifth lens element has an image-side surface being concave in a paraxial region thereof and having at least one convex critical point in an off-axis region thereof.Type: ApplicationFiled: September 14, 2020Publication date: February 3, 2022Applicant: LARGAN PRECISION CO., LTD.Inventors: Yu-Chun KE, Jin Sen WANG, Ssu-Hsin LIU, Wei-Yu CHEN
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Publication number: 20210255429Abstract: An imaging optical lens assembly includes seven lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The third lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The fourth lens element has negative refractive power. The fifth lens element has an object-side surface being concave in a paraxial region thereof. The sixth lens element with negative refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, and the image-side surface of the sixth lens element has at least one critical point in an off-axis region thereof.Type: ApplicationFiled: December 8, 2020Publication date: August 19, 2021Applicant: LARGAN PRECISION CO., LTD.Inventors: Yu Jui LIN, Yu-Chun KE, Jin Sen WANG, Wei-Yu CHEN, Chun-Yen CHEN
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Publication number: 20210255428Abstract: An imaging optical lens assembly includes seven lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The third lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The fourth lens element has negative refractive power. The fifth lens element has an object-side surface being concave in a paraxial region thereof. The sixth lens element with negative refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, and the image-side surface of the sixth lens element has at least one critical point in an off-axis region thereof.Type: ApplicationFiled: June 10, 2020Publication date: August 19, 2021Applicant: LARGAN PRECISION CO., LTD.Inventors: Yu Jui LIN, Yu-Chun KE, Jin Sen WANG, Wei-Yu CHEN
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Publication number: 20210191075Abstract: An optical lens assembly includes four lens elements which are, in order from an object side to an image side along an imaging optical path: a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has positive refractive power. The second lens element has an image-side surface being concave in a paraxial region thereof. The third lens element has an object-side surface being concave in a paraxial region thereof. The fourth lens element with negative refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, and at least one of the object-side surface and the image-side surface of the fourth lens element has at least one inflection point in an off-axis region thereof.Type: ApplicationFiled: March 10, 2020Publication date: June 24, 2021Applicant: LARGAN PRECISION CO., LTD.Inventors: Kuo-Jui WANG, Kuan Chun WANG, Hung-Shuo CHEN, Jin Sen WANG, Syuan Ruei LAI, Wei-Yu CHEN
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Publication number: 20210132338Abstract: An imaging optical system includes six lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. Each of the six lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one of the six lens elements is a freeform lens element, and at least one of the object-side surface and the image-side surface of the at least one freeform lens element is a freeform surface.Type: ApplicationFiled: January 2, 2020Publication date: May 6, 2021Applicant: LARGAN PRECISION CO., LTD.Inventors: Yu Jui LIN, Cheng-Yuan LIAO, Jin Sen WANG, Tzu-Chieh KUO