Patents by Inventor Sung Hak Lee

Sung Hak Lee 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).

  • Organic acid salt of amlodipine
    Patent number: 6846931
    Abstract: Disclosed are a novel organic acid salt of amlodipine, its preparation method, and a pharmaceutical composition containing the same as a therapeutically active ingredient.
    Type: Grant
    Filed: August 19, 2003
    Date of Patent: January 25, 2005
    Assignee: CJ Corp
    Inventors: Yong Sik Youn, Seong Hwan Cho, Choong Sil Park, Yun Cheul Kim, Dong Kwon Lim, Sung Hak Jung, Sung Hak Lee, Hyun Suk Kang, Kyung Mi Park, Yun Taek Jung, Young Hoon Kim, Kyu Jeong Yeon, Myeong Yun Chae, Hae Tak Jin, Hea Ran Suh, Kwang Hyeg Lee, Hyuk Koo Lee
  • Method of reducing OFF-current of a thin film transistor for display device and circuit for the same
    Publication number: 20040257147
    Abstract: A method of applying an OFF-state offset to a display device includes: supplying a ground voltage from a data driving circuit; to a source electrode of a thin film transistor supplying a gate voltage from a gate driving circuit to a gate electrode of the thin film transistor, the gate voltage turning off the thin film transistor; and supplying an AC voltage to a drain electrode of the thin film transistor.
    Type: Application
    Filed: June 14, 2004
    Publication date: December 23, 2004
    Inventors: Hun Jeoung, Sung-Hak Lee
  • ORGANIC ACID SALT OF AMLODIPINE
    Publication number: 20040158075
    Abstract: Disclosed are a novel organic acid salt of amlodipine, its preparation method, and a pharmaceutical composition containing the same as a therapeutically active ingredient.
    Type: Application
    Filed: August 19, 2003
    Publication date: August 12, 2004
    Applicant: CJ Corporation
    Inventors: Yong Sik Youn, Seong Hwan Cho, Choong Sil Park, Yun Cheul Kim, Dong Kwon Lim, Sung Hak Jung, Sung Hak Lee, Hyun Suk Kang, Kyung Mi Park, Yun Taek Jung, Young Hoon Kim, Kyu Jeong Yeon, Myeong Yun Chae, Hae Tak Jin, Hea Ran Suh, Kwang Hyeg Lee, Hyuk Koo Lee
  • 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
  • Organic acid salt of amlodipine
    Patent number: 6756390
    Abstract: Disclosed are a novel organic acid salt of amlodipine with superb physicochemical properties, its preparation method, and a pharmaceutical composition containing the same as a therapeutically active ingredient.
    Type: Grant
    Filed: July 29, 2003
    Date of Patent: June 29, 2004
    Assignee: CJ Corp.
    Inventors: Seong Hwan Cho, Yong Sik Youn, Yun Taek Jung, Choong Sil Park, Hyuk Koo Lee, Kwang Hyeg Lee, Eun Ju Jeong, Young Hoon Kim, Hae Tak Jin, Jun Hee Cheon, Sung Hak Lee, Sung Hak Jung, Dong Kwon Lim, Kyu Jeong Yeon, Yun Cheul Kim, Kyung Mi Park, Hyun Suk Kang
  • Crystalline organic acid salt of amlodipine
    Publication number: 20040058967
    Abstract: A novel crystalline organic acid salt of amlodipine having improved physiochemical properties, a preparation method thereof and a pharmaceutical composition comprising the same are provided.
    Type: Application
    Filed: August 29, 2003
    Publication date: March 25, 2004
    Inventors: Dong Kwon Lim, Hyuk Koo Lee, Hea Ran Suh, Seong Hwan Cho, Kwang Hyeg Lee, Yun Cheul Kim, Sung Hak Jung, Sung Hak Lee, Hyun Suk Kang, Kyung Mi Park, Yun Taek Jung, Jun Hee Cheon, Choong Sil Park, Yong Sik Youn, Young Hoon Kim, Kyu Jeong Yeon, Myeong Yun Chae, Hae Tak Jin
  • Organic acid salt of amlodipine
    Publication number: 20040030143
    Abstract: Disclosed are a novel organic acid salt of amlodipine, its preparation method, and a pharmaceutical composition containing the same as a therapeutically active ingredient.
    Type: Application
    Filed: July 29, 2003
    Publication date: February 12, 2004
    Applicant: CJ Corp
    Inventors: Seong Hwan Cho, Yong Sik Youn, Yun Taek Jung, Choong Sil Park, Hyuk Koo Lee, Kwang Hyeg Lee, Eun Ju Jeong, Young Hoon Kim, Hae Tak Jin, Jun Hee Cheon, Sung Hak Lee, Sung Hak Jung, Dong Kwon Lim, Kyu Jeong Yeon, Yun Cheul Kim, Kyung Mi Park, Hyun Suk Kang
  • Organic acid salt of amlodipine
    Publication number: 20040029931
    Abstract: Disclosed are a novel organic acid salt of amlodipine, its preparation method, and a pharmaceutical composition containing as a therapeutically active ingredient the same.
    Type: Application
    Filed: July 29, 2003
    Publication date: February 12, 2004
    Applicant: CJ Corp
    Inventors: Seong Hwan Cho, Yong Sik Youn, Yun Taek Jung, Choong Sil Park, Hyuk Koo Lee, Kwang Hyeg Lee, Eun Ju Jeong, Young Hoon Kim, Hae Tak Jin, Jun Hee Cheon, Sung Hak Lee, Sung Hak Jung, Dong Kwon Lim, Kyu Jeong Yeon, Yun Cheul Kim, Kyung Mi Park, Hyun Suk Kang
  • Organic acid salt of amlodipine
    Publication number: 20040029923
    Abstract: Disclosed are a novel organic acid salt of amlodipine with superb physicochemical properties, its preparation method, and a pharmaceutical composition containing the same as a therapeutically active ingredient.
    Type: Application
    Filed: July 29, 2003
    Publication date: February 12, 2004
    Applicant: CJ Corporation
    Inventors: Seong Hwan Cho, Yong Sik Youn, Yun Taek Jung, Choong Sil Park, Hyuk Koo Lee, Kwang Hyeg Lee, Eun Ju Jeong, Young Hoon Kim, Hae Tak Jin, Jun Hee Cheon, Sung Hak Lee, Sung Hak Jung, Dong Kwon Lim, Kyu Jeong Yeon, Yun Cheul Kim, Kyung Mi Park, Hyun Suk Kang
  • 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
  • 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
  • 3,4-Dihydro-1H-naphthalene derivatives as a highly selective cyclooxygenase-2 inhibitor
    Publication number: 20030109715
    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: October 3, 2002
    Publication date: June 12, 2003
    Applicant: 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
  • 1H-indole derivatives as a highly selective cyclooxygenase-2 inhibitor
    Publication number: 20030109568
    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.
    Type: Application
    Filed: October 3, 2002
    Publication date: June 12, 2003
    Applicant: CHEIL JEDANG Corporation
    Inventors: Il Hwan Cho, Jee Woong Lim, Ji Young Noh, Jong Hoon Kim, Hyung Chul Ryu, Sang Wook Park, Je Hak Kim, Hyung Ok Chun, So Young Wang, Sung Hak Lee