Patents by Inventor Hui-Yun Hwang
Hui-Yun Hwang 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: 20230243071Abstract: Proposed are a composition for an eco-friendly filament using soybean hulls and a 3D printing eco-friendly filament manufactured by using the same. A manufacturing method of the 3D printing eco-friendly filament by using soybean hulls includes a first step of manufacturing soybean hull powder by grinding the soybean hulls, a second step of manufacturing a composition for an eco-friendly filament by adding biodegradable plastic resin to the soybean hull powder and mixing the biodegradable plastic resin with the soybean hull powder, and a third step of manufacturing the 3D printing eco-friendly filament by cooling the composition for an eco-friendly filament after extruding the composition for an eco-friendly filament through an extruder for filament formation. The composition for a safe and eco-friendly filament while discarded soybean hulls are used for resource utilization and the 3D printing eco-friendly filament manufactured by using the same are provided.Type: ApplicationFiled: February 2, 2023Publication date: August 3, 2023Applicant: Andong National University Industry-Academic Cooperation FoundationInventor: Hui Yun HWANG
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Publication number: 20220265579Abstract: The present invention relates to a pharmaceutical composition for preventing or treating a cardio-cerebrovascular disease, and a pharmaceutical composition may be provided for preventing or treating a cardio-cerebrovascular disease, which comprises one or more selected from the group consisting of a compound represented by the following Chemical Formula 1 and a pharmaceutically acceptable salt thereof as an active ingredient.Type: ApplicationFiled: May 13, 2020Publication date: August 25, 2022Inventors: Ho Jeong KWON, Hui-Yun HWANG
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Publication number: 20220202743Abstract: The present invention relates to a pharmaceutical composition for preventing or treating a degenerative brain disease, and a pharmaceutical composition may be provided for preventing or treating a degenerative brain disease, which comprises one or more selected from the group consisting of a compound represented by the following Chemical Formula 1 and a pharmaceutically acceptable salt thereof as an active ingredient.Type: ApplicationFiled: May 13, 2020Publication date: June 30, 2022Inventors: Ho Jeong KWON, Hui-Yun HWANG
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Patent number: 11041896Abstract: Provided is a piezoelectric property measuring apparatus for a liquid or viscous material. The piezoelectric property measuring apparatus includes a fixing jig having an inner space and an opened space; an operating jig configured to close the opened region of the inner space; a first electrode and a second electrode; a driving module moving the operating jig according to a driving signal; a motion information measuring module measuring motion information of the operating jig; a charge amount measuring module measuring the charge amount through the first electrode and the second electrode; and a control module generating the driving signal for the driving module, supplying the driving signal to the driving module, receiving the motion information, receiving charge amount information of the closed space, and measuring a piezoelectric property of the sample by using the motion information and the charge amount information.Type: GrantFiled: January 24, 2017Date of Patent: June 22, 2021Assignee: COSMAX, INC.Inventors: Sung Yun Hong, Ji Hui Jang, Su Ji Kim, Jun Bae Lee, Youn Joon Kim, Kweon Jong Yoo, Hui Yun Hwang, Jun Hyeok Ahn, Sang Gyun Hwang
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Publication number: 20200379026Abstract: Provided is a piezoelectric property measuring apparatus for a liquid or viscous material. The piezoelectric property measuring apparatus includes a fixing jig having an inner space and an opened space; an operating jig configured to close the opened region of the inner space; a first electrode and a second electrode; a driving module moving the operating jig according to a driving signal; a motion information measuring module measuring motion information of the operating jig; a charge amount measuring module measuring the charge amount through the first electrode and the second electrode; and a control module generating the driving signal for the driving module, supplying the driving signal to the driving module, receiving the motion information, receiving charge amount information of the closed space, and measuring a piezoelectric property of the sample by using the motion information and the charge amount information.Type: ApplicationFiled: January 24, 2017Publication date: December 3, 2020Inventors: Sung Yun HONG, Ji Hui JANG, Su Ji KIM, Jun Bae LEE, Youn Joon KIM, Kweon Jong YOO, Hui Yun HWANG, Jun Hyeok AHN, Sang Gyun HWANG
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Publication number: 20190083368Abstract: The present disclosure relates to a cosmetic composition having piezoelectricity. More particularly, the present disclosure relates to a piezoelectric cosmetic composition which includes a piezoelectric material capable of generating microcurrent upon the application of pressure as an active ingredient. According to the present disclosure, when the piezoelectric composition is applied to and massaged on the skin, it is possible to maximize an effect of skin care, including an effect of improving skin elasticity, by generating microcurrent.Type: ApplicationFiled: January 23, 2017Publication date: March 21, 2019Applicant: COSMAX, INC.Inventors: Sung Yun HONG, Ji Hui JANG, Su Ji KIM, Jun Bae LEE, Youn Joon KIM, Kweon Jong YOO, Hui Yun HWANG, Jun Hyeok AHN, Sang Gyun HWANG
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Patent number: 7759865Abstract: A Plasma Display Panel (PDP) that prevents an increase in manufacturing cost due to an addition of a reinforcing material includes: a display panel; a driving circuit to supply a driving signal to the display panel; and a chassis base, disposed between the driving circuit and the display panel, and including a reinforcing member having at least one bend and arranged on at least one side of edges of the chassis base.Type: GrantFiled: March 5, 2007Date of Patent: July 20, 2010Assignee: Samsung SDI Co., Ltd.Inventor: Hui-Yun Hwang
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Publication number: 20100142177Abstract: A display apparatus includes a display panel and a chassis base on the display panel, wherein at least a portion of a periphery of the display panel contact the chassis base. An area of the chassis base may be equal to or larger than an area of the display panel.Type: ApplicationFiled: December 1, 2009Publication date: June 10, 2010Inventors: Ji-Eun Lee, Hui-Yun Hwang
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Patent number: 7589457Abstract: A method is disclosed for testing bonded part integrity of bonded structures with increased sensitivity and in a nondestructive manner. The method includes the steps of: mixing a piezoelectric material or an electrically conductive material with an adhesive agent, curing the adhesive agent in between bonding target objects, electrically connecting the bonding target objects to one another, causing an electric current to flow through the bonding target objects to measure a quantity of electric charges flowing between the bonding target objects, and determining existence of bonding damage between the bonding target objects and the adhesive agent based on the quantity of electric charges and predicting a remaining life span of the bonded structures based on a data indicating a correlation between the quantity of electric charges and a predetermined fatigue life.Type: GrantFiled: May 22, 2007Date of Patent: September 15, 2009Assignee: Korea Advanced Institute of Science and TechnologyInventors: Dai-Gil Lee, Hui-Yun Hwang, Woo-Seok Chin, Seung-Min Lee, Byung-Chul Kim, Jae-Wook Kwon, Soon-Ho Yoon
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Publication number: 20090034179Abstract: A plasma display apparatus that includes a plasma display panel, a chassis base, a driving circuit, a flexible printed circuit, a driver integrated circuit and a first and second thermal conductive silicone. The chassis base is provided at a side of the plasma display panel. The driving circuit unit is provided at a side of the chassis base. The flexible printed circuit electrically connects an electrode of the plasma display panel to the driving circuit unit. The driver integrated circuit is connected to the flexible printed circuit. The first thermal conductive silicone is provided between the driver integrated circuit and the chassis base. The second thermal conductive silicone is provided, in another embodiment, between the driver integrated circuit and the chassis base and encloses an extending portion of the driver integrated circuit. The first and second thermal conductive silicone dissipate heat, absorb vibrations and reduce noise.Type: ApplicationFiled: May 1, 2008Publication date: February 5, 2009Inventors: Jin-Seek Choi, Hui-Yun Hwang, Ik-Sang Lee
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Publication number: 20080088533Abstract: A Plasma Display Panel (PDP) that prevents an increase in manufacturing cost due to an addition of a reinforcing material includes: a display panel; a driving circuit to supply a driving signal to the display panel; and a chassis base, disposed between the driving circuit and the display panel, and including a reinforcing member having at least one bend and arranged on at least one side of edges of the chassis base.Type: ApplicationFiled: March 5, 2007Publication date: April 17, 2008Inventor: Hui-Yun Hwang
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Publication number: 20070214623Abstract: A method is disclosed for testing bonded part integrity of bonded structures with increased sensitivity and in a nondestructive manner. The method includes the steps of: mixing a piezoelectric material or an electrically conductive material with an adhesive agent, curing the adhesive agent in between bonding target objects, electrically connecting the bonding target objects to one another, causing an electric current to flow through the bonding target objects to measure a quantity of electric charges flowing between the bonding target objects, and determining existence of bonding damage between the bonding target objects and the adhesive agent based on the quantity of electric charges and predicting a remaining life span of the bonded structures based on a data indicating a correlation between the quantity of electric charges and a predetermined fatigue life.Type: ApplicationFiled: May 22, 2007Publication date: September 20, 2007Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: DAI-GIL LEE, HUI-YUN HWANG, WOO-SEOK CHIN, SEUNG-MIN LEE, BYUNG-CHUL KIM, JAE-WOOK KWON, SOON-HO YOON
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Patent number: 6935816Abstract: The present invention is to provide a machining tool bar in which mechanical machining properties are improved by using high stiffness composite material. According to the present invention, the tool bar includes an adaptor constructed to be coupled to a driving device, a body constructed to be mounted with cutting tools and a tip constructed to be supported by a workpiece, said body is constructed to be mounted with one or more cutting tools, wherein the adaptor and tip are made of metal material, the body is made of composite material having high stiffness, the composite material constructing the body is formed to surround at least a portion of the adaptor and at least a portion of the tip, and the metal material constructing the adaptor and tip and the composite material constructing the body are securely joined to each other in an interface therebetween.Type: GrantFiled: January 23, 2004Date of Patent: August 30, 2005Assignee: Korea Advanced Institute of Science and TechnologyInventors: Dai Gil Lee, Jin-Kook Kim, Hui-Yun Hwang, Young-So Yoon, Sang-Kon Kim
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Publication number: 20040191019Abstract: The present invention is to provide a machining tool bar in which mechanical machining properties are improved by using high stiffness composite material.Type: ApplicationFiled: January 23, 2004Publication date: September 30, 2004Applicants: Korea Advanced Institute of Science and Technology (KR), Vision Innovation Tech Co., Ltd. (KR)Inventors: Dai Gil Lee, Jin-Kook Kim, Hui-Yun Hwang, Young-So Yoon, Sang-Kon Kim