Patents by Inventor Dong-Gon Park
Dong-Gon Park 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: 11956904Abstract: The present invention provides a multilayer circuit board and a method for manufacturing the same for improving a bowing problem that occurs when manufacturing the multilayer circuit board. A multilayer circuit board according to the present invention is a board having a patterned layer that functions as a circuit a base layer, and includes: a second pattern layer formed on one side of the base layer; a first pattern layer formed on the second pattern layer; and an interlayer insulating layer formed between the first pattern layer and the second pattern layer, the interlayer insulating layer being partially formed on the second pattern layer so as to correspond to a region where the first pattern layer is formed.Type: GrantFiled: November 18, 2020Date of Patent: April 9, 2024Assignee: STEMCO CO., LTD.Inventors: Jae Soo Lee, Hyo Jin Park, Sung Jin Lee, Dong Gon Kim
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Publication number: 20240106285Abstract: A stator for an AFPM motor and a method of manufacturing the stator are disclosed. The stator includes a stator housing having radially extending blades, a stacked core, and a winding core wound along an outer circumferential surface of the stacked core. The stacked core is coupled to the plurality of blades. The stator has an outer housing coupled to an outer circumferential surface of the stator housing to seal an inner space of the stator housing and has outer ring covers coupled to opposite side surfaces of the stator housing, respectively.Type: ApplicationFiled: September 18, 2023Publication date: March 28, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Dong Hee Lee, Ji Yeon Kim, Sang Jin Park, Sung Gon Byun
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Patent number: 11938247Abstract: Provided are a method for fabricating a human nasal turbinate-derived mesenchymal stem cell-based 3D bioprinted construct, and a use thereof, wherein the human nasal turbinate-derived mesenchymal stem cell-based, 3D bioprinted construct is advantageous over conventional mesenchymal stem cell-based, 3D bioprinted constructs in that the former can survive and proliferate stably in vitro and/or in vivo and shows high osteogenic differentiation ability as well, therefore is expected to make a great contribution to the practical use of cellular therapeutic agents.Type: GrantFiled: May 2, 2018Date of Patent: March 26, 2024Assignee: CATHOLIC UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATIONInventors: Sung Won Kim, Jung Yeon Lim, Sun Hwa Park, Byeong Gon Yoon, Dong-Woo Cho, Jinah Jang, Seok Won Kim
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ADHESIVE FILM, OPTICAL MEMBER COMPRISING THE SAME, AND OPTICAL DISPLAY APPARATUS COMPRISING THE SAME
Publication number: 20240076530Abstract: An adhesive film, an optical member including the same, and an optical display apparatus including the same are provided. An adhesive film includes a (meth)acrylic based copolymer, a (meth)acrylic based oligomer, and a curing agent and has a maximum shear strain of 50% or less at 60° C. and a peel strength of 600 gf/25 mm or more with respect to a polyimide based film at 25° C.Type: ApplicationFiled: August 23, 2023Publication date: March 7, 2024Inventors: Ji Yeon Kim, Do Young Kim, Dong Myeong Shin, Ji Young Han, Kyoung Gon Park, Il Jin Kim -
Publication number: 20240066703Abstract: The present invention relates to a method and device for diagnosing a defect of a collaborative robot, the method comprising the steps in which: an electronic device generates a sensing data structure for managing sensing data collected from at least one collaborative robot; the electronic device generates an operation data structure for managing operation data associated with the operation of the collaborate robot; the electronic device generates a malfunction data structure for managing malfunction data of a point in which the severity of the operation equals to or is higher than a threshold; and the electronic device stores data collected from the at least one collaborative robot in accordance with the structures. Application to other embodiments is also possible.Type: ApplicationFiled: December 21, 2021Publication date: February 29, 2024Applicant: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Jung Won LEE, Ye Seul PARK, Dong Yeon YOO, Yang Gon KIM, Su Bin BAE
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Patent number: 7655358Abstract: A positive active material composition for a rechargeable battery includes a positive active material selected from compounds represented by formulas 1 to 13, and at least one semi-metal, metal or oxides thereof: LixMnA2??(1) LixMnO2?zAz??(2) LixMn1?yM?yA2??(3) LixMn2A4??(4) LixMn2O4?zAz??(5) LixMn2?yM?yA4??(6) LixBA2??(7) LixBO2?zAz??(8) LixB1?yM?yA2??(9) LixB1?yM?yO2-zAz??(10) LixNiCoO2?zAz??(11) LixNiCoO2?zAz??(12) LixNi1?y-zCoyM?zA2??(13) where 1.0?x?1.1, 0.01?y?0.1, 0.01?z?0.5, M? is at least one transition metal or lanthanide metal selected from Al, Cr, Co, Mg, La, Ce, Sr, or V, M? is at least one transition metal or lanthanide metal selected from Al, Cr, Mn, Fe, Mg, La, Ce, Sr or V, A is selected from 0, F, S or P, and B is Ni or Co.Type: GrantFiled: August 25, 2006Date of Patent: February 2, 2010Assignee: Samsung SDI Co., Ltd.Inventors: Ho-Jin Kweon, Geun-Bae Kim, Hyun-Suk Jeong, Dong-Gon Park, Ki-Ho Kim
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Patent number: 7608365Abstract: A positive active material composition for a rechargeable battery includes a positive active material selected from compounds represented by formulas 1 to 13, and at least one semi-metal, metal or oxides thereof: LixMnA2 (1) LixMnO2-zAz (2) LixMn1-yM?yA2 (3) LixMn2A4 (4) LixMn2O4-zAz (5) LixMn2-yM?yA4 (6) LixBA2 (7) LIxBO2-zAz (8) LixB1-yM?yA2 (9) LixB1-yM?yO2-zAz (10) LixNiCoO2-zAz (11) LixNiCoO2-zAz (12) LixNi1-y-zCoyM?zA2 (13) where 1.0?x?1.1, 0.01?y?0.1, 0.01?z?0.5, M? is at least one transition metal or lanthanide metal selected from Al, Cr, Co, Mg, La, Ce, Sr, or V, M? is at least one transition metal or lanthanide metal selected from Al, Cr, Mn, Fe, Mg, La, Ce, Sr or V, A is selected from O, F, S or P, and B is Ni or Co.Type: GrantFiled: May 25, 2000Date of Patent: October 27, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Ho-Jin Kweon, Geun-Bae Kim, Hyun-Suk Jeong, Dong-Gon Park, Ki-Ho Kim
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Publication number: 20060292446Abstract: A positive active material composition for a rechargeable battery includes a positive active material selected from compounds represented by formulas 1 to 13, and at least one semi-metal, metal or oxides thereof: LixMnA2??(1) LixMnO2?zAz??(2) LixMn1?yM?yA2??(3) LixMn2A4??(4) LixMn2O4?zAz??(5) LixMn2?yM?yA4??(6) LixBA2??(7) LixBO2?zAz??(8) LixB1?yM?yA2??(9) LixB1?yM?yO2?zAz??(10) LixNiCoO2?zAz??(11) LixNiCoO2?zAz??(12) LixNi1?y?zCoyM?zA2??(13) where 1.0?x?1.1, 0.01?y?0.1, 0.01?z?0.5, M? is at least one transition metal or lanthanide metal selected from Al, Cr, Co, Mg, La, Ce, Sr, or V, M? is at least one transition metal or lanthanide metal selected from Al, Cr, Mn, Fe, Mg, La, Ce, Sr or V, A is selected from 0, F, S or P, and B is Ni or Co.Type: ApplicationFiled: August 25, 2006Publication date: December 28, 2006Inventors: Ho-Jin Kweon, Geun-Bae Kim, Hyun-Suk Jeong, Dong-Gon Park, Ki-Ho Kim
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Patent number: 6974486Abstract: A positive active material for rechargeable lithium batteries includes an active material component processed from a manganese-based compound. The transition metal compound is selected from LixMnO2, LixMnF2, LixMnS2, LixMnO2-zFz, LixMnO2-zSz, LixMn1-yMyO2, LixMn1-yMyF2, LixMn1-yMyS2, LixMn1-yMyO2-zFz, LixMn1-yMyO2-zSz, LixMn2O4, LixMn2F4, LixMn2O4-zFz, LixMn2O4-zSz, LixMn2-yMyO4, LixMn2-yMyF4, LixMn2-yMyS4, LixMn2-yMyO4-zFz, or LixMn2-yMyO4-zSz where 0<x?1.5, 0.05?y?0.3, z?1.0 and M is selected from Al, Co, Cr, Mg, Fe or La. A metallic oxide is coated on the active material component.Type: GrantFiled: October 29, 1999Date of Patent: December 13, 2005Assignee: Samsung SDI Co., Ltd.Inventors: Ho-Jin Kweon, Geun-Bae Kim, Dong-Gon Park, Hyung-Gon Noh
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Publication number: 20050084757Abstract: A positive active material for rechargeable lithium batteries includes an active material component processed from a manganese-based compound. The transition metal compound is selected from LixMnO2, LixMnF2, LixMnS2, LixMnO2-zFz, LixMnO2-zSz, LixMn1-yMyO2, LixMn1-yMyF2, LixMn1-yMyS2, LixMn1-yMyO2-zFz, LixMn1-yO2-zSz, LixMn2O4, LixMn2F4, LixMn2S4, LixMn2O4-zFz, LixMn2O4-zSz, LixMn2-yMyO4, LixMn2-yMyF4, LixMn2-yMyS4, LixMn2-yMyO4-zFz, or LixMn2-yMyO4-zSz where 0<x?1.5, 0.05?y?0.3, z?1.0 and M is selected from Al, Co, Cr, Mg, Fe or La. A metallic oxide is coated on the active material component.Type: ApplicationFiled: October 14, 2004Publication date: April 21, 2005Inventors: Ho-Jin Kweon, Geun-Bae Kim, Dong-Gon Park, Hyung-Gon Noh
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Patent number: 6783890Abstract: Disclosed is a positive active material for a rechargeable lithium battery. The positive active material includes a core including at least one compound represented by Formula 1 and an active metal oxide shell formed on the core. Formula 1 LiA1−x−yBxCyO2 where 0≦x≦0.3, 0≦y≦0.01, and A is an element selected from the group consisting of Co and Mn; B is an element selected from the group consisting of Ni, Co, Mn, B, Mg, Ca, Sr, Ba, Ti, V, Cr, Fe, Cu and Al; and C is an element selected from the group consisting of Ni, Co, Mn, B, Mg, Ca, Sr, Ba, Ti, V, Cr, Fe, Cu and Al.Type: GrantFiled: January 7, 2002Date of Patent: August 31, 2004Assignee: Samsung Display Devices Co., Ltd.Inventors: Ho-jin Kweon, Sung-soo Kim, Geun-bae Kim, Dong-gon Park
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Patent number: 6749965Abstract: Disclosed is a positive active material for a lithium secondary battery having high capacity and long durability properties and particularly to a powder of LiaNi1-x-yC OxMyO2, LiaNi1-x-yC OxMyO2-zFz or LiaNi1-x-yC OxMyO2-zSz (where M is a metal selected from the group consisting of Al, Mg, Sr, La, Ce, V, and Ti and wherein 0≦0.99, 0.01≦y≦0.1, 0.01≦z≦0.1, and 1.00≦a≦1.1) is surface-treated by a metal alkoxide solution whereby the durability, capacity and structural safety of said positive active material is increased.Type: GrantFiled: June 16, 2000Date of Patent: June 15, 2004Assignee: Samsung SDI Co., Ltd.Inventors: Ho-Jin Kweon, Hyun-Sook Jung, Geun-Bae Kim, Dong-Gon Park
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Publication number: 20020061444Abstract: Disclosed is active material for a positive electrode used in lithium secondary batteries of Formula 1 below and a method manufacturing the same, a surface of the active material being coated with metal oxide. The method includes the steps of producing a crystalline powder or a semi-crystalline powder of Formula 1; coating the crystalline powder or the semi-crystalline powder with metal alkoxide sol; and heat-treating the powder coated with the metal alkoxide sol.Type: ApplicationFiled: January 7, 2002Publication date: May 23, 2002Inventors: Ho-Jin Kweon, Sung-Soo Kim, Geun-Bae Kim, Dong-Gon Park
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Patent number: 6372385Abstract: Disclosed is active material for a positive electrode used in lithium secondary batteries of Formula 1 below and a method manufacturing the same, a surface of the active material being coated with metal oxide. The method includes the steps of producing a crystalline powder or a semi-crystalline powder of Formula 1; coating the crystalline powder or the semi-crystalline powder with metal alkoxide sol; and heat-treating the powder coated with the metal alkoxide sol. LiA1−x−yBxCyO2 (Formula 1) where 0<x≦0.3, 0≦y≦0.01, and A is an element selected from the group consisting of Ni, Co and Mn; B is an element selected from the group consisting of Ni, Co, Mn, B, Mg, Ca, Sr, Ba, Ti, V, Cr, Fe, Cu and Al; and C is an element selected from the group consisting of Ni, Co, Mn, B, Mg, Ca, Sr, Ba, Ti, V, Cr, Fe, Cu and Al.Type: GrantFiled: February 10, 1999Date of Patent: April 16, 2002Assignee: Samsung Display Devices Co., Ltd.Inventors: Ho-jin Kweon, Sung-soo Kim, Geun-bae Kim, Dong-gon Park
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Patent number: 6210834Abstract: Disclosed is active material for a positive electrode used in lithium secondary batteries of Formula 1 below and a method of manufacturing the active material. The active material includes large particles of 1 to 25 &mgr;m formed of a plurality of minute particles of 0.4 to 0.7 &mgr;m. The method includes the steps of adding a chelating agent to a mixture derived by dissolving lithium salt, nickel salt and cobalt salt in a solvent to a molar ratio of 0.95-1.06: 0.5-1:0-0.5; producing a gel by heating the mixture; for precursor by thermally decomposing the gel; and heat treating the precursor. LixNi1−yCoyO2 [Formula 1] where x is between 0.95 and 1.06, and y is between 0 and 0.5.Type: GrantFiled: May 6, 1999Date of Patent: April 3, 2001Assignee: Samsung Display Devices Co., Ltd.Inventors: Ho-Jin Kweon, Geun-bae Kim, Dong-gon Park
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Patent number: 6183911Abstract: A positive active material for rechargeable lithium batteries includes an active material component processed from a manganese-based compound. The transition metal compound is selected from LixMnO2, LixMnF2, LixMnS2, LixMnO2-zFz, LixMnO2-xSz, LixMn1-yMyO2, LixMn1-yMyF2, LixMn1-yMyS2, LixMn1-yMyO2-zFz, LixMn1-yMyO2-zSz, LixMn2O4, LixMn2F4, LixMn2S4, LixMn2O4-zFz, LixMn2O4-zSz, LixMn2-yMyO4, LixMn2-yMyF4, LixMn2-yMyS4, LixMn2-yMyO4-zFz, or LixMn2-yMyO4-zSz where O<x≦1.5, 0.05≦y≦0.3, y≦1.0 and M is selected from Al, Co, Cr, Mg, Fe, La, Sr or Ce. A vanadium pentoxide is coated on the active material component.Type: GrantFiled: October 29, 1999Date of Patent: February 6, 2001Assignee: Samsung Display Devices Co., Ltd.Inventors: Ho-Jin Kweon, Geun-Bae Kim, Dong-Gon Park
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Patent number: 6107396Abstract: A method of preparing a composite of organic and inorganic compounds includes the steps of reacting a mixed solution of a metal alkoxide and a silicon-containing compound with a catalyst to produce an alcogel of a metal oxide or a complex metal oxide. The metal alkoxide is prepared by reacting at least one metal with an alcohol and the mixed solution is prepared by mixing the metal alkoxide with the silicon-containing compound. An alcogel is produced from the reacting step and alcohol is impregnated within the inorganic oxide lattice structure of the alcogel. Furthermore, the method of preparing a composite of an organic and an inorganic compound includes the steps of centrifuging the alcogel to separate any alcohol from the alcogel to form a gel, adding an organic monomer the gel and polymerizing the organic monomer in-situ to form an organic polymer. The resulting composite has characteristics of both the parent organic and inorganic compounds.Type: GrantFiled: November 16, 1998Date of Patent: August 22, 2000Assignee: Samsung Display Devices Co., Ltd.Inventors: Ho-jin Kweon, Sung-soo Kim, Dong-gon Park, Jin Kang, Hye-young Kwon
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Patent number: 5962352Abstract: A method for fabricating a porous composite oxide is provided. The method includes the steps of: (a) slowly mixing a solution including a silicon oxide source and a solution including an aluminum oxide source; (b) adding hydrochloric acid to the mixed solution prepared in said step (a) to obtain a sol; and (c) adding sodium hydroxide to said sol, reacting the obtained resultant at room temperature for 30 minutes to 12 hours, and drying the resultant. The porous composite oxide has an abundance of fine pores and the distribution of pore size is relatively uniform, so that the porous composite oxide is suitable for a carrier.Type: GrantFiled: July 11, 1997Date of Patent: October 5, 1999Assignee: Samsung Electronics Co., Ltd.Inventors: Ho-jin Kweon, Kae-dong Baek, Soon-kyo Hong, Dong-gon Park, Hye-jin Kim