Patents by Inventor Yasuhide Nihei
Yasuhide Nihei 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: 20230350158Abstract: An inner focusing lens unit includes at least one positive lens group and at least one negative lens group. The inner focusing lens unit is configured to be placed within a flange back between an imaging lens and an image sensor surface to provide a focusing function when the negative lens group is moved toward the imaging surface to focus at a nearer object distance when focusing from infinity to a minimum object distance (MOD).Type: ApplicationFiled: July 11, 2023Publication date: November 2, 2023Inventors: Yasuhide Nihei, Takumi Matsui
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Publication number: 20220291486Abstract: The present disclosure relates to a six-piece optical lens system comprising, in order from the object side surface to the image side surface, a 1st lens element with a positive refractive power; a 2nd lens element with a negative refractive power; a 3rd lens element with a positive refractive power; a 4th lens element with a negative refractive power; a 5th lens element with a positive refractive power, having a convex image-side surface in the center; and a 6th lens element. It satisfies the relations: 1.05<L4ET/L4CT<2.7 and 0.23<L6ET/L6CT<0.95, where L4CT is the center thickness of the 4th lens element, the L4ET is the edge thickness of the 4th lens element, L6CT is the center thickness of the 6th lens element, and L6ET is the edge thickness of the 6th lens element.Type: ApplicationFiled: April 15, 2022Publication date: September 15, 2022Inventor: Yasuhide NIHEI
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Publication number: 20220163764Abstract: This application provides an optical lens, a camera module, and a terminal. The optical lens includes 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 in sequence from an object side to an image side; and each lens element of the optical lens satisfies the following relations: 0.2?BFL/TTL?0.6, and 0.2?TTL1/MIC?0.5. Therefore, the optical lens has an improved back focal length BFL and a small total on-axis thickness TTL1 of the plurality of lens elements while achieving high imaging performance. Further, a thickness of the terminal can also be reduced.Type: ApplicationFiled: February 11, 2022Publication date: May 26, 2022Inventors: Yita CHIANG, Yuanlin JIA, Rongkai FENG, Yasuhide NIHEI
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Publication number: 20220019059Abstract: To achieve high performance. A first lens having a positive refractive power with a convex surface facing an object side, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens having a positive refractive power or a negative refractive power with a concave surface facing the object side, a fifth lens having a positive refractive power or a negative refractive power, a sixth lens having a positive refractive power with a concave surface facing an image side, and a seventh lens having a negative refractive power in the vicinity of an optical axis, a surface on the image side of which is formed into an aspherical shape having an inflection point are provided in order from the object side to the image side.Type: ApplicationFiled: November 25, 2019Publication date: January 20, 2022Inventors: KENTA KAMEBUCHI, MINORU TANIYAMA, YASUHIDE NIHEI
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Publication number: 20210382280Abstract: An imaging lens of the present disclosure includes, in order from object side toward image plane side: a first lens having positive refractive power in the vicinity of an optical axis; a second lens having positive refractive power in the vicinity of the optical axis; a third lens having negative refractive power in the vicinity of the optical axis; a fourth lens having negative refractive power in the vicinity of the optical axis; a fifth lens having negative refractive power in the vicinity of the optical axis; a sixth lens having negative refractive power in the vicinity of the optical axis; and a seventh lens of which a lens surface on the image plane side has an aspheric shape having an inflection point.Type: ApplicationFiled: October 8, 2019Publication date: December 9, 2021Inventors: YOSHIO HOSONO, YASUHIDE NIHEI, DAIGO KATSURAGI, ISAO YAMAMOTO
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Patent number: 10915997Abstract: An imaging device of the disclosure includes an imaging lens; an imaging element that converts an optical image formed on an image forming surface by the imaging lens, into an electric signal; and a computing device that corrects distortion aberration of an image picked up by the imaging element. The imaging lens includes, in order from object side, a front-group lens system having positive refractive power, and a rear-group lens system having negative refractive power, a lens surface on a closest side to the image of the rear-group lens system being concave on an image side near an optical axis and convex on the image side around a periphery, and the following conditional expression is satisfied: 5(%)<ODMax<20(%)??(1) where ODMax is a maximum value of distortion aberration within an imaging region of the imaging lens.Type: GrantFiled: October 3, 2014Date of Patent: February 9, 2021Assignee: SONY CORPORATIONInventors: Yasuhide Nihei, Masaki Tamura, Kenshi Nabeta, Daigo Katsuragi
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Publication number: 20200319430Abstract: An imaging lens according to the present disclosure includes, in order from an object side toward an image plane side: a first lens having positive refractive power near an optical axis; a second lens having positive refractive power near the optical axis; a third lens having negative refractive power near the optical axis; a fourth lens whose lens surface on the image plane side has a concave shape toward the image plane side near the optical axis; a fifth lens whose lens surface on the image plane side has a concave shape toward the image plane side near the optical axis; and a sixth lens having negative refractive power near the optical axis. The fourth lens has negative refractive power. The fifth lens has positive refractive power.Type: ApplicationFiled: December 14, 2018Publication date: October 8, 2020Inventors: YOSHIO HOSONO, YASUHIDE NIHEI, DAIGO KATSURAGI
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Patent number: 10491825Abstract: An imaging unit of the disclosure includes an imaging lens including a first lens group and a second lens group that are disposed in order from object side toward image side, and an imaging device that converts an optical image formed by the imaging lens into an electric signal. The second lens group and the imaging device are rotationally moved integrally to allow the second lens group and the imaging device to be tilted with respect to an optical axis of the first lens group.Type: GrantFiled: March 11, 2016Date of Patent: November 26, 2019Assignee: SONY CORPORATIONInventors: Masaki Tamura, Daigo Katsuragi, Yasuhide Nihei, Fujio Kanai, Kazuki Sakae
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Publication number: 20190049700Abstract: An imaging lens of the present disclosure includes, in order from object side toward image plane side, a first lens having a meniscus shape, the meniscus shape having a shape that is positioned near an optical axis and includes a convex surface that faces the object side, a second lens including a convex surface that faces, near the optical axis, the object side, and having, near the optical axis, positive refractive power, a third lens having, near the optical axis, negative refractive power, a fourth lens, a fifth lens, a sixth lens having, near the optical axis, positive refractive power, and a seventh lens having, near the optical axis, negative refractive power, and including a lens surface, the lens surface being positioned on the image plane side, and having an aspherical shape that has an inflection point.Type: ApplicationFiled: April 7, 2017Publication date: February 14, 2019Inventors: Shinya Kunimatsu, Hitoshi Fukuhori, Masaki Tamura, Daigo Katsuragi, Yoshio Hosono, Yasuhide Nihei
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Patent number: 10025074Abstract: An imaging lens according to the disclosure includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens includes a meniscus lens that has a convex surface facing object side and has positive refractive power near an optical axis. The second lens has a convex surface facing the object side and has negative refractive power near the optical axis. The third lens has positive refractive power near the optical axis. The fifth lens has positive refractive power near the optical axis. The sixth lens has negative refractive power near the optical axis and has an aspheric surface on the image plane side. The aspheric surface has an inflection point. The first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens are disposed in order from the object side toward the image plane side. The imaging lens satisfies the following conditional expressions. f/f5<1??(1) ?0.Type: GrantFiled: October 5, 2015Date of Patent: July 17, 2018Assignee: SONY CORPORATIONInventors: Daigo Katsuragi, Shinya Kunimatsu, Yasuhide Nihei, Masaki Tamura
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Publication number: 20180131874Abstract: An imaging unit of the disclosure includes an imaging lens including a first lens group and a second lens group that are disposed in order from object side toward image side, and an imaging device that converts an optical image formed by the imaging lens into an electric signal. The second lens group and the imaging device are rotationally moved integrally to allow the second lens group and the imaging device to be tilted with respect to an optical axis of the first lens group.Type: ApplicationFiled: March 11, 2016Publication date: May 10, 2018Applicant: SONY CORPORATIONInventors: MASAKI TAMURA, DAIGO KATSURAGI, YASUHIDE NIHEI, FUJIO KANAI, KAZUKI SAKAE
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Publication number: 20170322392Abstract: An imaging lens according to the disclosure includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens includes a meniscus lens that has a convex surface facing object side and has positive refractive power near an optical axis. The second lens has a convex surface facing the object side and has negative refractive power near the optical axis. The third lens has positive refractive power near the optical axis. The fifth lens has positive refractive power near the optical axis. The sixth lens has negative refractive power near the optical axis and has an aspheric surface on the image plane side. The aspheric surface has an inflection point. The first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens are disposed in order from the object side toward the image plane side. The imaging lens satisfies the following conditional expressions. f/f5<1 ??(1) ?0.Type: ApplicationFiled: October 5, 2015Publication date: November 9, 2017Inventors: DAIGO KATSURAGI, SHINYA KUNIMATSU, YASUHIDE NIHEI, MASAKI TAMURA
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Publication number: 20170169549Abstract: An imaging device of the disclosure includes an imaging lens; an imaging element that converts an optical image formed on an image forming surface by the imaging lens, into an electric signal; and a computing device that corrects distortion aberration of an image picked up by the imaging element. The imaging lens includes, in order from object side, a front-group lens system having positive refractive power, and a rear-group lens system having negative refractive power, a lens surface on a closest side to the image of the rear-group lens system being concave on an image side near an optical axis and convex on the image side around a periphery, and the following conditional expression is satisfied: 5(%)<ODMax<20(%)??(1) where ODMax is a maximum value of distortion aberration within an imaging region of the imaging lens.Type: ApplicationFiled: October 3, 2014Publication date: June 15, 2017Inventors: YASUHIDE NIHEI, MASAKI TAMURA, KENSHI NABETA, DAIGO KATSURAGI
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Patent number: 8953254Abstract: An image pickup lens includes: in recited order from object plane toward image plane, a first lens having positive refractive power; a second lens having negative refractive power; a third lens having positive refractive power; a fourth lens having positive or negative refractive power; a fifth lens having positive refractive power; and a sixth lens having negative refractive power and having optical surfaces, one or more of the optical surfaces each having an aspherical shape with one or more inflection points.Type: GrantFiled: July 18, 2013Date of Patent: February 10, 2015Assignee: Sony CorporationInventors: Hideaki Okano, Yasuhide Nihei
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Patent number: 8884347Abstract: The present disclosure provides a method of manufacturing a photoelectric conversion device, including, a first step of forming a plurality of photoelectric conversion regions on a surface on one side of a semiconductor wafer, a second step of preparing a light-blocking wafer having insertion openings, a third step of bonding the one-side surface of the semiconductor wafer and a surface on the opposite side to a surface on the one side of the light-blocking wafer to each other to form a bonded wafer body, and a fourth step of dividing the bonded wafer body in peripheries of the photoelectric conversion regions, to obtain bonded-body chips each having the photoelectric conversion region.Type: GrantFiled: June 13, 2011Date of Patent: November 11, 2014Assignee: Sony CorporationInventor: Yasuhide Nihei
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Patent number: 8837057Abstract: An optical unit includes a plurality of lenses arranged along an optical path from an object side toward an image side, the plurality of lenses including at least one lens including an image side surface and an object side surface, one of which is formed to be an aspheric surface at wafer level, the aspheric surface of the at least one lens being formed to serve as one of an aperture stop surface having an aperture stop function and a light-shielding surface having a light-shielding function.Type: GrantFiled: August 10, 2012Date of Patent: September 16, 2014Assignee: Sony CorporationInventor: Yasuhide Nihei
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Publication number: 20140063616Abstract: An image pickup lens includes: in recited order from object plane toward image plane, a first lens having positive refractive power; a second lens having negative refractive power; a third lens having positive refractive power; a fourth lens having positive or negative refractive power; a fifth lens having positive refractive power; and a sixth lens having negative refractive power and having optical surfaces, one or more of the optical surfaces each having an aspherical shape with one or more inflection points.Type: ApplicationFiled: July 18, 2013Publication date: March 6, 2014Applicant: Sony CorporationInventors: Hideaki Okano, Yasuhide Nihei
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Publication number: 20130277788Abstract: There is provided an imaging unit including a light-transmissive member through which photographing light brought in via an optical system is transmitted, an image sensor that is disposed facing the light-transmissive member and on which photographing light that has been transmitted through the light-transmissive member is incident so as to convert the incident photographing light into electrical signals, and a holding member that has a disposition hole and holds the light-transmissive member. The light-transmissive member has an outer circumferential face to which an adhesive is applied so as to be attached to and held by the holding member in a state of being disposed in the disposition hole, and the adhesive has light absorptivity and a refractive index that is substantially identical to a refractive index of the light-transmissive member.Type: ApplicationFiled: March 7, 2013Publication date: October 24, 2013Applicant: Sony CorporationInventor: Yasuhide Nihei
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Publication number: 20130242415Abstract: An imaging lens includes, in the order from an object side toward an image side: an aperture stop; a first lens having positive power and a concave image-side surface; a second lens having negative power and a concave object-side surface; a third lens having negative power; a fourth lens having positive power; and a fifth lens having negative power.Type: ApplicationFiled: February 21, 2013Publication date: September 19, 2013Applicant: SONY CORPORATIONInventor: Yasuhide Nihei
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Publication number: 20130038775Abstract: An optical unit includes a plurality of lenses arranged along an optical path from an object side toward an image side, the plurality of lenses including at least one lens including an image side surface and an object side surface, one of which is formed to be an aspheric surface at wafer level, the aspheric surface of the at least one lens being formed to serve as one of an aperture stop surface having an aperture stop function and a light-shielding surface having a light-shielding function.Type: ApplicationFiled: August 10, 2012Publication date: February 14, 2013Applicant: Sony CorporationInventor: Yasuhide Nihei