Patents by Inventor Chul Ryu

Chul Ryu 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).

  • Method of fabricating color filter substrate for liquid crystal display device having patterned spacers
    Publication number: 20050243266
    Abstract: A method of fabricating a liquid crystal display device including a liquid crystal layer between a first substrate and a second substrate includes attaching a transfer film onto a surface of one of the substrates, the surface facing the liquid crystal layer, the transfer film including a transfer material layer contacting the surface; transferring portions of the transfer material layer to the surface; and removing the transfer film except the transferred portions of the transfer material layer to form patterned spacers.
    Type: Application
    Filed: December 2, 2004
    Publication date: November 3, 2005
    Inventor: Sang-Chul Ryu
  • Bipyridinyl derivatives as a highly selective cyclooxygenase-2 inhibitor
    Patent number: 6946558
    Abstract: The present invention relates to a novel bipyridinyl derivative having a structure of formula (1) and its pharmaceutically acceptable salts, optical isomer and method for preparing it as a highly selective cyclooxygenase-2 inhibitor, wherein R is defined in this specification.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: September 20, 2005
    Assignee: CJ Corp.
    Inventors: Il-Hwan Cho, Jee-Woong Lim, Ji-Young Noh, Jong-Hoon Kim, Sang-Wook Park, Hyung-Chul Ryu, Je-Hak Kim, Jong-Ho Kim, So-Young Wang, Dal-Hyun Kim
  • Diaryl 1,2,4-triazole derivatives as a highly selective cyclooxygenase-2 inhibitor
    Publication number: 20050075373
    Abstract: The present invention relates to a novel diaryl 1,2,4-triazole derivative of the following formula (1) as a highly selective cyclooxygenase-2 inhibitor, wherein R1, R2, R3, R4, R5, W and A is as defined in this specification.
    Type: Application
    Filed: December 27, 2002
    Publication date: April 7, 2005
    Applicant: CJ CORP.
    Inventors: Il-hwan Cho, Jee-woong Lim, Ji-young Noh, Jong-hoon Kim, Sang-wook Park, Hyung-chul Ryu, Je-hak Kim, Jong-ho Kim, So-young Wang, Dal-hyun Kim, Chun-seon Lyu
  • 1,2,4-triazole derivative, method for preparing the same, and pharmaceutical composition containing the same
    Patent number: 6849652
    Abstract: A 1,2,4-triazole derivative of formula 1 or a non-toxic salt thereof, a preparation method thereof, and a pharmaceutical composition containing the derivative or the salt as an active ingredient are provided: wherein, Ar represents naphthyl; 3,4-methylenedioxyphenyl: phenyl; or phenyl substituted with the group selected from C1-C6 alkyl, C1-C6 alkoxy, or halogen.
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: February 1, 2005
    Assignee: CJ Corp.
    Inventors: Il Hwan Cho, Dong Hyun Ko, Myeong Yun Chae, Taerho Kim, Kyoung Rae Kang, Jong Hoon Kim, Sung Hak Jung, Sang Wook Park, Hyung Ok Chun, Hyung Chul Ryu, Ji Young Noh, Hyun Jung Park, Jie Eun Park, Young Mee Chung
  • Bipyridinyl derivatives as a highl selective cyclooxygenase-2 inhibitor
    Publication number: 20040254378
    Abstract: The present invention relates to a novel bipyridinyl derivative having a structure of formula (1) and its pharmaceutically acceptable salts, optical isomer and method for preparing it as a highly selective cyclooxygenase-2 inhibitor, wherein R is defined in this specification.
    Type: Application
    Filed: May 4, 2004
    Publication date: December 16, 2004
    Inventors: II-Hwan Cho, Jee-Woong Lim, Ji-Young Noh, Jong-Hoon Kim, Sang-Wook Park, Hyung-Chul Ryu, Je-Hak Kim, Jong-Ho Kim, So-Young Wang, Dal-Hyun Kim
  • Thiazolidine-4-one derivative, method for preparing the same, and pharmaceutical composition containing the same
    Patent number: 6777434
    Abstract: A thiazolidine-4-one derivative of formula 1 or a non-toxic salt thereof, a preparation method thereof, and a pharmaceutical composition containing the derivative or the salt as an active ingredient are provided: wherein: R1 and R2 each independently represent hydrogen, C1-C3 alkyl, halogen, methyl substituted with halogen, C1-C3 alkoxy substituted with halogen, cyano, or nitro.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: August 17, 2004
    Assignee: CJ Corp.
    Inventors: Il Hwan Cho, Jee Woong Lim, Sang Wook Park, Ji Young Noh, Hyung Chul Ryu, Jong Hoon Kim, Myeong Yun Chae, Hyun Jung Park, Sung Hak Jung, Kyu Jeong Yeon, Hae Tak Jin
  • 3,4-dihydro-1H-naphthalene derivatives as a highly selective cyclooxygenase-2 inhibitor
    Patent number: 6768019
    Abstract: The present invention relates to a novel 3,4-dihydro-1H-naphthalene derivative having a structure of formula 1 or formula 2, its pharmaceutically acceptable salts and their geometric isomers as a highly selective cyclooxygenase-2 inhibitor. Wherein R1, R2, X, A and Q are defined in this specification respectively.
    Type: Grant
    Filed: June 5, 2003
    Date of Patent: July 27, 2004
    Assignee: Cheil Jedang Corporation
    Inventors: Ii Hwan Cho, Jee Woong Lim, Ji Young Noh, Jong Hoon Kim, Sang Wook Park, Hyung Chul Ryu, Je Hak Kim, Hyung Ok Chun, So Young Wang, Sung Hak Lee
  • 1,2,4-Triazole derivative, method for preparing the same, and pharmaceutical composition containing the same
    Publication number: 20040106612
    Abstract: A 1,2,4-triazole derivative of formula 1 or a non-toxic salt thereof, a preparation method thereof, and a pharmaceutical composition containing the derivative or the salt as an active ingredient are provided: 1
    Type: Application
    Filed: August 1, 2003
    Publication date: June 3, 2004
    Inventors: Il Hwan Cho, Dong Hyun Ko, Myeong Yun Chae, Taerho Kim, Kyoung Rae Kang, Jong Hoon Kim, Sung Hak Jung, Sang Wook Park, Hyung Ok Chun, Hyung Chul Ryu, Ji Young Noh, Hyun Jung Park, Jie Eun Park, Young Mee Chung
  • 2-thioxothiazole derivative, method for preparing the same, and pharmaceutical composition containing the same
    Patent number: 6727268
    Abstract: A 2-thioxothiazole derivative of formula 1 or a non-toxic salt thereof, a preparation method thereof, and a pharmaceutical composition containing the derivative or the salt as an active ingredient are provided: wherein: R represents hydrogen or methyl; X represents hydrogen, methyl, halogen, nitro, or methanesulfonyl.
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: April 27, 2004
    Assignee: CJ Corp.
    Inventors: Il Hwan Cho, Jee Woong Lim, Sang Wook Park, Hyung Chul Ryu, Ji Young Noh, Jong Hoon Kim, Myeong Yun Chae, Sung Hak Jung, Hyun Jung Park, Kyu Jeong Yeon, Kyoung Rae Kang
  • Isothiazole derivatives, process for the preparation thereof, and pharmaceutical composition including the same
    Publication number: 20040072884
    Abstract: The present invention relates to an isothiazole derivative of the following formula 1 or nontoxic salt thereof: 1
    Type: Application
    Filed: October 9, 2003
    Publication date: April 15, 2004
    Applicant: CJ Corp.
    Inventors: II Hwan Cho, Dong Hyun Ko, Myeong Yun Chae, In Ki Min, Young Hoon Kim, Young Mee Chung, Hyun Jung Park, Ji Young Noh, II Hwan Kim, Hyung Chul Ryu, Sang Wook Park, Sung Hak Jung, Jong Hoon Kim
  • Case for covering electronic parts and display apparatus including the same
    Publication number: 20040036819
    Abstract: A case for covering electronic parts and efficiently discharging heat generated from the electronic parts and a display apparatus including the case are provided. The case includes at least one partition wall partially separating at least an inner space of the case. An entry portion, through which air flows in, and an exit portion, through which the air having flowed in through the entry portion and then having absorbed heat from the electronic parts flows out, are formed in each plane of the case. Each plane is separated by the partition wall.
    Type: Application
    Filed: August 12, 2003
    Publication date: February 26, 2004
    Inventors: Ho-Chul Ryu, Sung-Won Bae
  • Passive apparatus that regulates a flow of heated air within a plasma display device
    Publication number: 20040036413
    Abstract: A plasma display device that uses a plasma display panel to enable use as an image device such as a television. The plasma display device includes a plasma display panel, a chassis base including a circuit assembly for driving the plasma display panel and regulating members mounted in a vicinity of the circuit assembly on a surface of the chassis base to which the circuit assembly is provided, said regulating members regulating the flow of air in the area of the chassis base.
    Type: Application
    Filed: August 20, 2003
    Publication date: February 26, 2004
    Inventors: Sung-Won Bae, Ho-Chul Ryu
  • Pyrazole-3-one derivative, method for preparing the same, and pharmaceutical composition containing the same
    Patent number: 6689805
    Abstract: A pyrazole-3-one derivative of formula 1 or a non-toxic salt thereof, a preparation method thereof, and a pharmaceutical composition containing the derivative or the salt as an active ingredient are provided: wherein: R1 and R2 each independently represent C1-C3 alkyl, aryl, or substituted aryl; R3 represents amino or methyl; R4 and R5 each independently represent hydrogen, C1-C3 alkyl, halogen, methyl substituted with halogen, C1-C3 alkoxy, cyano, or nitro; or a non-toxic salt thereof.
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: February 10, 2004
    Assignee: CJ Corp.
    Inventors: Il Hwan Cho, Ji Young Noh, Sang Wook Park, Hyung Chul Ryu, Jee Woong Lim, Jong Hoon Kim, Myeong Yun Chae, Dal Hyun Kim, Sung Hak Jung, Hyun Jung Park, Young Hoon Kim, In Ki Min
  • 3,4-dihydro-1H-naphthalene derivatives as a highly selective cyclooxygenase-2 inhibitor
    Patent number: 6686493
    Abstract: The present invention relates to a novel 3,4-dihydro-1H-naphthalene derivative having a structure of formula 1 or formula 2, its pharmaceutically acceptable salts and their geometric isomers as a highly selective cyclooxygenase-2 inhibitor. Wherein, R1, R2, X, A and Q are defined in this specification respectively.
    Type: Grant
    Filed: October 3, 2002
    Date of Patent: February 3, 2004
    Assignee: Cheil Jedang Corporation
    Inventors: Il Hwan Cho, Jee Woong Lim, Ji Young Noh, Jong Hoon Kim, Sang Wook Park, Hyung Chul Ryu, Je Hak Kim, Hyung Ok Chun, So Young Wang, Sung Hak Lee
  • PYRAZOLE-3-ONE DERIVATIVE, METHOD FOR PREPARING THE SAME, AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME
    Publication number: 20040002532
    Abstract: A pyrazole-3-one derivative of formula 1 or a non-toxic salt thereof, a preparation method thereof, and a.
    Type: Application
    Filed: June 13, 2003
    Publication date: January 1, 2004
    Inventors: Il Hwan Cho, Ji Young Noh, Sang Wook Park, Hyung Chul Ryu, Jee Woong Lim, Jong Hoon Kim, Myeong Yun Chae, Dal Hyun Kim, Sung Hak Jung, Hyun Jung Park, Young Hoon Kim, In Ki Min
  • 2-thioxothiazole derivative, method for preparing the same, and pharmaceutical composition containing the same
    Publication number: 20030236289
    Abstract: A 2-thioxothiazole derivative of formula 1 or a non-toxic salt thereof, a preparation method thereof, and a pharmaceutical composition containing the derivative or the salt as an active ingredient are provided: 1
    Type: Application
    Filed: June 13, 2003
    Publication date: December 25, 2003
    Inventors: Il Hwan Cho, Jee Woong Lim, Sang Wook Park, Hyung Chul Ryu, Ji Young Noh, Jong Hoon Kim, Myeong Yun Chae, Sung Hak Jung, Hyun Jung Park, Kyu Jeong Yeon, Kyoung Rae Kang
  • Element for a color flat panel display
    Publication number: 20030222567
    Abstract: A screen composite provided on a face plate of a flat panel display device, said screen composite containing an aluminum layer and a metal layer formed on said aluminum layer for substantially reducing a halation phenomenon.
    Type: Application
    Filed: May 29, 2003
    Publication date: December 4, 2003
    Inventor: Sang-Chul Ryu
  • Thiazolidine-4-one derivative, method for preparing the same, and pharmaceutical composition containing the same
    Publication number: 20030216454
    Abstract: A thiazolidine-4-one derivative of formula 1 or a non-toxic salt thereof, a preparation method thereof, and a pharmaceutical composition containing the derivative or the salt as an active ingredient are provided: 1
    Type: Application
    Filed: May 16, 2003
    Publication date: November 20, 2003
    Inventors: Il Hwan Cho, Jee Woong Lim, Sang Wook Park, Ji Young Noh, Hyung Chul Ryu, Jong Hoon Kim, Myeong Yun Chae, Hyun Jung Park, Sung Hak Jung, Kyu Jeong Yeon, Hae Tak Jin
  • 3,4-Dihydro-1H-naphthalene derivatives as a highly selective cyclooxygenase-2 inhibitor
    Publication number: 20030187302
    Abstract: The present invention relates to a novel 3,4-dihydro-1H-naphthalene derivative having a structure of formula 1 or formula 2, its pharmaceutically acceptable salts and their geometric isomers as a highly selective cyclooxygenase-2 inhibitor.
    Type: Application
    Filed: June 5, 2003
    Publication date: October 2, 2003
    Applicant: CHEIL JEDANG CORPORATION
    Inventors: Il Hwan Cho, Sung Hak Lee, Jee Woong Lim, Ji Young Noh, Jong Hoon Kim, Sang Wook Park, Hyung Chul Ryu, Je Hak Kim, Hyung Ok Chun, So Young Wang
  • 1H-indole derivatives as a highly selective cyclooxygenase-2 inhibitor
    Patent number: 6599929
    Abstract: The present invention relates to a novel 1H-indole derivative having a structure of formula 1 and its pharmaceutically acceptable salts as a highly selective cyclooxygenase-2 inhibitor. Wherein, X, Y, and Q are defined in this specification respectively.
    Type: Grant
    Filed: October 3, 2002
    Date of Patent: July 29, 2003
    Assignee: Cheil Jedang Corporation
    Inventors: Il Hwan Cho, Jee Woong Lim, Ji Young Noh, Jong Hoon Kim, Sang Wook Park, Hyung Chul Ryu, Je Hak Kim, Hyung Ok Chun, So Young Wang, Sung Hak Lee