Patents by Inventor In Hwa Jung
In Hwa Jung 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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Patent number: 11761834Abstract: Proposed is a dynamometer for measuring load of a rotary shaft to be tested, the dynamometer comprising: a dynamometer shaft connected to the rotary shaft to be tested; a casing part having a through hole through which the dynamometer shaft passes, and a water supply chamber and a drain chamber therein; a stator part including a first stator and a second stator to be spaced apart from each other; a toroidal chamber partitioning part partitioning a toroidal chamber into a first toroidal chamber and a second toroidal chamber, wherein the toroidal chamber partitioning part comprises a runner and a guide ring, forming a drain slot through which the fluid is discharged from the first toroidal chamber and the second toroidal chamber to the drain chamber; and a flow adjusting part adjusting flow rate of the fluid.Type: GrantFiled: June 20, 2022Date of Patent: September 19, 2023Assignee: DOOSAN ENERBILITY CO., LTD.Inventors: Yeong Chun Kim, Jin Uk Kim, Dong Hwa Jung, Gi Won Hong, Chang Goo Kim, Young Ho Lee
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Patent number: 11757124Abstract: The present invention relates to an electrode assembly for a secondary battery. The electrode assembly for the secondary battery comprises a radical unit comprising first and second electrode sheets each of which is folded so that both ends thereof overlap each other; and a first separator folded several times and having an upper folded portion into which the first electrode sheet is coupled to be fitted and a lower folded portion into which the second electrode sheet is coupled to be fitted, wherein, in the radical unit, the folded portions of the first and second electrode sheets are cut to form two first electrodes and two second electrodes, which are completely separated from each other, and the first electrode, the first separator, the second electrode, the first separator, the first electrode, the first separator, and the second electrode successively stacked.Type: GrantFiled: July 30, 2020Date of Patent: September 12, 2023Inventors: Jin Young Son, Hyun Won Lee, Do Hwa Jung, Ye Lin Kim
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Patent number: 11747219Abstract: A hydrodynamic-type hydraulic dynamometer is provided. The hydrodynamic-type hydraulic dynamometer includes a shaft rotatably mounted by a plurality of bearings, a stator fixed around the shaft and having a toroidal chamber therein, a runner rotatably coupled to the shaft and causing a fluid introduced into the toroidal chamber to flow therethrough, an inner ring mounted to extend inwardly from a radially outer side of the toroidal chamber and having a control slit formed therethrough, and a shutter configured to adjust an opening degree of the control slit.Type: GrantFiled: March 15, 2022Date of Patent: September 5, 2023Assignee: DOOSAN ENERBILITY CO., LTDInventors: Yeong Chun Kim, Jin Uk Kim, Dong Hwa Jung, Gi Won Hong, Kwang Yol Lee
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Publication number: 20230273410Abstract: An optical imaging system includes a plurality of lenses disposed along an optical axis, and a reflection member disposed to be closer to an object than all of the plurality of lenses and having a reflection surface configured to change a path of light. The plurality of lenses are spaced apart from each other by preset distances along the optical axis, and the condition 0.8<TTL/ft<1.1 is satisfied, where TTL is a distance from an object-side surface of a lens closest to the object among the plurality of lenses to an imaging plane of an image sensor, and ft is an overall focal length of an optical system including the plurality of lenses.Type: ApplicationFiled: May 9, 2023Publication date: August 31, 2023Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Tae Youn LEE, Jin Hwa JUNG, Yong Joo JO
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Publication number: 20230273403Abstract: 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 0.5 < L12345TRavg/L7TR < 0.9, where L12345TRavg is an average value of overall outer diameters of the first to fifth lenses, L7TR is an overall outer diameter of the seventh lens, and L12345TRavg and L7TR are expressed in a same unit of measurement.Type: ApplicationFiled: March 20, 2023Publication date: August 31, 2023Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jin Hwa JUNG, Sot Eum SEO, Yong Joo JO, Ga Young AN
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Publication number: 20230273408Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens sequentially disposed from the first lens to the fifth lens from an object-side of the imaging system to an image-side of the imaging system and each having refractive power. The fourth lens has a convex object-side surface and an expression 0.7<TL/f<1.0 is satisfied, where TL is a distance from an object-side surface of the first lens to an imaging plane, and f is an overall focal length of the optical imaging system.Type: ApplicationFiled: May 8, 2023Publication date: August 31, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae Youn LEE, Jin Hwa JUNG, Yong Joo JO
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Patent number: 11731397Abstract: Provided are an alloy coating steel plate and a method of manufacturing the same, and in this case, the alloy coating steel plate includes a steel, and an Al—Mg—Si alloy layer positioned on the steel plate, wherein the Al—Mg—Si alloy layer is formed to include Mg—Si alloy grains in an alloy layer configured in an Al—Mg alloy phase.Type: GrantFiled: March 30, 2021Date of Patent: August 22, 2023Assignees: POSCO CO., LTD, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGYInventors: Ji Hoon Yang, Jae In Jeong, Yong Hwa Jung, Tae Yeob Kim
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Patent number: 11719910Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially arranged on an optical axis from an object side to an image side, wherein an image-side surface of the first lens and an image-side surface of the sixth lens may be concave, and 0.7<TL/f<1.0 and |Nd2?Nd3|<0.2 in which TL may be a distance from an object-side surface of the first lens to an imaging plane, f may be an overall focal length of the optical imaging system, Nd2 may be a refractive index of the second lens, and Nd3 may be a refractive index of the third lens.Type: GrantFiled: December 30, 2020Date of Patent: August 8, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jin Hwa Jung, Yong Joo Jo
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Patent number: 11714263Abstract: 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 0.5<L12345TRavg/L7TR<0.9, where L12345TRavg is an average value of overall outer diameters of the first to fifth lenses, L7TR is an overall outer diameter of the seventh lens, and L12345TRavg and L7TR are expressed in a same unit of measurement.Type: GrantFiled: November 4, 2020Date of Patent: August 1, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jin Hwa Jung, Sot Eum Seo, Yong Joo Jo, Ga Young An
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Publication number: 20230228974Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens, sequentially disposed from an object side to an imaging plane. The optical imaging system satisfies the expression BFL/f < 0.15, where BFL represents a distance from an image-side surface of the eighth lens to an imaging plane of an image sensor and f represents an overall focal length of the optical imaging system.Type: ApplicationFiled: March 20, 2023Publication date: July 20, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Hwa JUNG, Yong Joo JO
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Publication number: 20230217659Abstract: A semiconductor device includes a cell substrate including a cell array region and an extension region surrounding the cell array region, a mold structure including gate electrodes sequentially stacked on the cell substrate, channel structures disposed on the cell array region and intersecting the gate electrodes, a bit-line connected to at least some of the channel structures, a block isolation region cutting the mold structure, a source layer disposed between the cell substrate and the mold structure and connected to a side surface of each of the channel structures, and a support layer disposed between the source layer and the mold structure on upper surfaces of the cell substrate and the source layer. The support layer includes a support structure contacting the upper surface of the cell substrate. The support structure includes a peripheral portion surrounding the cell array region, and a mesh portion disposed on the extension region.Type: ApplicationFiled: November 1, 2022Publication date: July 6, 2023Inventors: Jung-Hwan LEE, Sun Young LEE, Seok Hwa JUNG
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Patent number: 11681126Abstract: An optical imaging system includes a plurality of lenses disposed along an optical axis, and a reflection member disposed to be closer to an object than all of the plurality of lenses and having a reflection surface configured to change a path of light. The plurality of lenses are spaced apart from each other by preset distances along the optical axis, and the condition 0.8<TTL/ft<1.1 is satisfied, where TTL is a distance from an object-side surface of a lens closest to the object among the plurality of lenses to an imaging plane of an image sensor, and ft is an overall focal length of an optical system including the plurality of lenses.Type: GrantFiled: July 26, 2021Date of Patent: June 20, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Tae Youn Lee, Jin Hwa Jung, Yong Joo Jo
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Patent number: 11681124Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens sequentially disposed from the first lens to the fifth lens from an object-side of the imaging system to an image-side of the imaging system and each having refractive power. The fourth lens has a convex object-side surface and an expression 0.7<TL/f<1.0 is satisfied, where TL is a distance from an object-side surface of the first lens to an imaging plane, and f is an overall focal length of the optical imaging system.Type: GrantFiled: October 23, 2020Date of Patent: June 20, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Tae Youn Lee, Jin Hwa Jung, Yong Joo Jo
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Publication number: 20230152557Abstract: An optical imaging system includes a first lens having an object-side surface that is convex; a second lens having a refractive power; a third lens having a refractive power; a fourth lens having a refractive power; a fifth lens having a refractive power and an object-side surface that is concave; and a sixth lens having a refractive power and an object-side surface that is concave, wherein the first lens through the sixth lens are sequentially disposed in numerical order from an object side of the optical imaging system toward an imaging plane, and the optical imaging system satisfies the conditional expressions 0.7 < TL/f < 1.0 and TL/2 < f1, where TL is a distance from the object-side surface of the first lens to the imaging plane, f is an overall focal length of the optical imaging system, and f1 is a focal length of the first lens.Type: ApplicationFiled: January 18, 2023Publication date: May 18, 2023Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jin Hwa JUNG, Tae Youn LEE, Yong Joo JO
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Patent number: 11649542Abstract: Provided is a multilayer zinc alloy plated steel material comprising a base steel material and multiple plating layers formed on the base steel material, wherein each of the multiple plating layers includes one of a Zn plating layer, a Mg plating layer, and a Zn—Mg alloy plating layer, and the ratio of the weight of Mg contained in the multiple plating layers to the total weight of the multiple plating layers is from 0.13 to 0.24.Type: GrantFiled: November 18, 2021Date of Patent: May 16, 2023Assignee: POSCO CO., LTDInventors: Young-Jin Kwak, Goo-Hwa Kim, Mun-Jong Eom, Seok-Jun Hong, Kyoung-Pil Ko, Yong-Hwa Jung, Dong-Yoeul Lee, Tae-Yeob Kim, Kyung-Hoon Nam
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Patent number: 11644641Abstract: 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 0.5<L12345TRavg/L7TR<0.9, where L12345TRavg is an average value of overall outer diameters of the first to fifth lenses, L7TR is an overall outer diameter of the seventh lens, and L12345TRavg and L7TR are expressed in a same unit of measurement.Type: GrantFiled: November 16, 2020Date of Patent: May 9, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jin Hwa Jung, Sot Eum Seo, Yong Joo Jo, Ga Young An
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Publication number: 20230139385Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens having a negative refractive power, a fifth lens having a negative refractive power, a sixth lens, and a seventh lens having a positive refractive power. The first lens to seventh lens are sequentially disposed in a direction from an object side toward an imaging plane.Type: ApplicationFiled: December 22, 2022Publication date: May 4, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Hwa JUNG, Yong Joo JO
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Patent number: 11639898Abstract: An apparatus for testing an edge portion of a substrate, includes a first illumination source configured to irradiate light to an end portion of the edge portion of the substrate; a second illumination source configured to irradiate light to a lower portion of the edge portion; a third illumination source configured to irradiate light to an upper portion of the edge portion; and first to third photographing portions, respectively corresponding to the first to third illumination sources, wherein the first illumination source comprises a C-shaped cross-section and comprises a first curved surface facing the end portion of the edge portion, the second illumination source comprises a half C-shaped cross-section and comprises a second curved surface facing the lower portion of the edge portion, and the third illumination source comprises a half C-shaped cross-section and comprises a third curved surface facing the upper portion of the edge portion.Type: GrantFiled: April 18, 2018Date of Patent: May 2, 2023Assignee: Corning IncorporatedInventors: Sung-chan Hwang, Ji Hwa Jung, Tae-ho Keem, SoYoung Song
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Patent number: 11635594Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens, sequentially disposed from an object side to an imaging plane. The optical imaging system satisfies the expression BFL/f<0.15, where BFL represents a distance from an image-side surface of the eighth lens to an imaging plane of an image sensor and f represents an overall focal length of the optical imaging system.Type: GrantFiled: December 24, 2020Date of Patent: April 25, 2023Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jin Hwa Jung, Yong Joo Jo
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Patent number: 11613053Abstract: Disclosed is a method for manufacturing a secondary battery. According to the present invention, a problem of weakening durability of a pouch, which may occur in a process of forming cups having different depths in the pouch may be solved.Type: GrantFiled: December 10, 2018Date of Patent: March 28, 2023Inventors: Sei Woon Oh, Soo Ji Hwang, Jung Hwa Jung, Ho Sub Lee, Jin Seo Park