Patents by Inventor Bong Yong Lee

Bong Yong 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).

  • Patent number: 9685335
    Abstract: Provided are a power device having an improved field stop layer and a method of manufacturing the same. The power device includes: a first field stop layer formed of a semiconductor substrate and of a first conductive type; a second field stop layer formed on the first field stop layer and of the first conductive type, the second field stop layer having a region with an impurity concentration higher than the first field stop layer; a drift region formed on the second field stop layer and of the first conductive type, the drift region having an impurity concentration lower than the first field stop layer; a plurality of power device cells formed on the drift region; and a collector region formed below the first field stop layer, wherein the second field stop layer includes a first region having a first impurity concentration and a second region having a second impurity concentration higher than the first impurity concentration.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: June 20, 2017
    Assignee: Fairchild Korea Semiconductor Ltd.
    Inventors: Kyu-hyun Lee, Young-chul Kim, Kyeong-seok Park, Bong-yong Lee, Young-chul Choi
  • Patent number: 9644197
    Abstract: A fusion protein comprising factor VII (FVII) and transferrin according to the present invention has an improved specific activity of FVII compared to existing FVII fusion proteins comprising other fusion partners than transferrin, and thus can be effectively used in a therapy using FVII.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: May 9, 2017
    Assignee: SK Chemicals Co., Ltd.
    Inventors: In-Young Song, Hun-Taek Kim, Bong-Yong Lee, Mahn-Hoon Park, Ho-Soon Lee, Yun Jung Lim, Ji-Hye Lee, Seo Yeon Son, Min-Sun Kim
  • Patent number: 9622986
    Abstract: Provided is a transdermal delivery system (for example, in the form of a patch) having a double-layer structure including a drug-containing matrix layer and an adhesive layer, wherein the drug-containing matrix layer is obtained by completely dissolving donepezil using a certain polymer and then formulating along with an adhesive; and a process for preparing the same. The transdermal delivery system according to the present invention does not show any crystallization of donepezil in the formulation, can release donepezil at a uniform rate for a long time, and can inhibit the release dumping phenomenon that occurs in a transdermal delivery system having a single-layer structure.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: April 18, 2017
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Jong-Seob Im, Yong-Youn Hwang, Won-No Youn, Yeo-Jin Park, Hye-Min Kim, Joon-Gyo Oh, Hun-Taek Kim, Bong-Yong Lee
  • Patent number: 9617328
    Abstract: Disclosed is a fusion protein comprising blood coagulation factor IX (FIX) and transferrin. The fusion protein exhibits improved specific FIX activity, as compared to native FIX, and can be useful in the treatment of FIX deficiency-associated diseases.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: April 11, 2017
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Min Sun Lee, Hun-Taek Kim, Bong-yong Lee, Mahn Hoon Park, Yun Jung Lim
  • Patent number: 9481684
    Abstract: Disclosed are a gonadotropin releasing hormone receptor antagonist and a pharmaceutical composition including the same, which can be useful in preventing or treating a sex hormone-related disease such as endometriosis, amenorrhea, irregular menstruation, uterine myoma, uterine fibroids, polycystic ovarian disease, lupus erythematous, hypertrichosis, precocious puberty, short stature, acne, alopecia, gonadal steroid-dependent neoplasms, gonadotropin-producing pituitary adenoma, sleep apnea, irritable bowel syndrome, premenstrual syndrome, benign prostatic hyperplasia, contraception, and infertility, as well as Alzheimer disease.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: November 1, 2016
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Seon-Mi Kim, Jae-Sun Kim, Minhee Lee, So-young Lee, Bong-yong Lee, Young-Ah Shin, Euisun Park, Jung A Lee, Min-Young Han, Jaeseung Ahn, Taekyung Yoo, Hun-Taek Kim
  • Patent number: 9447383
    Abstract: Disclosed is a Madin-Darby canine kidney (MDCK)-derived cell line. The MDCK-derived cell line is derived from MDCK cells deposited under accession number ATCC CCL-34. The MDCK-derived cell line can be prepared by serum-free culture and suspension culture. Preferably, the MDCK-derived cell line has low or no tumorigenicity. The MDCK-derived cell line is preferably selected from MDCK Sky1023, MDCK Sky10234 and MDCK Sky3851. Further disclosed are a culture method for growing the MDCK-derived cells and a method for producing a vaccine virus using the MDCK-derived cells.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: September 20, 2016
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Yong Wook Park, Kun Se Lee, Bong-Yong Lee, Mahnhoon Park, Hun Kim, Yun-Hee Kim, Su-Jeen Lee
  • Publication number: 20160194622
    Abstract: A fusion protein comprising factor VII (FVII) and transferrin according to the present invention has an improved specific activity of FVII compared to existing FVII fusion proteins comprising other fusion partners than transferrin, and thus can be effectively used in a therapy using FVII.
    Type: Application
    Filed: March 25, 2016
    Publication date: July 7, 2016
    Inventors: In-Young Song, Hun-Taek Kim, Bong-Yong Lee, Mahn-Hoon Park, Ho-Soon Lee, Yun Jung Lim, Ji-Hye Lee, Seo Yeon Son, Min-Sun Kim
  • Patent number: 9271916
    Abstract: Disclosed is a composition effective in reducing skin wrinkles. The composition comprises a phosphodiesterase 5 (PDE5) inhibitor, preferably the compound of chemical formula 1, more preferably, mirodenafil as an active ingredient. Further disclosed is a method for reducing skin wrinkles using the composition.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: March 1, 2016
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Soo-Min Lee, Sooheun Lee, Keun-Ho Ryu, Bong-Yong Lee, Jae-Sun Kim, Jung-Hoon Oh, Ye-Ji Jeon
  • Patent number: 9168212
    Abstract: The present invention relates to a pharmaceutical or cosmetic composition and a method for promoting eyelash growth, wherein nipradilol or pharmaceutically or cosmetically acceptable salts thereof are used as active ingredients. The composition of the invention may comprise prostaglandin F2? analogs.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: October 27, 2015
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Sang-hwan Kang, Keun-Ho Ryu, DongChul Shin, Bong-yong Lee
  • Patent number: 9155691
    Abstract: Disclosed is a composition effective in reducing skin wrinkles. The composition comprises or uses a phosphodiesterase 5 (PDE5) inhibitor as an active ingredient. Further disclosed is a method for reducing skin wrinkles using the composition.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: October 13, 2015
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Soo-Min Lee, Sooheun Lee, Keun-Ho Ryu, Bong-Yong Lee, Jae-Sun Kim, Jung-Hoon Oh, Ye-Ji Jeon
  • Publication number: 20150247128
    Abstract: Disclosed is a Madin-Darby canine kidney (MDCK)-derived cell line. The MDCK-derived cell line is derived from MDCK cells deposited under accession number ATCC CCL-34. The MDCK-derived cell line can be prepared by serum-free culture and suspension culture. Preferably, the MDCK-derived cell line has low or no tumorigenicity. The MDCK-derived cell line is preferably selected from MDCK Sky1023, MDCK Sky10234 and MDCK Sky3851. Further disclosed are a culture method for growing the MDCK-derived cells and a method for producing a vaccine virus using the MDCK-derived cells.
    Type: Application
    Filed: May 13, 2015
    Publication date: September 3, 2015
    Inventors: Yong Wook Park, Kun Se Lee, Bong-Yong Lee, Mahnhoon Park, Hun Kim, Yun-Hee Kim, Su-Jeen Lee
  • Patent number: 9096571
    Abstract: Provided are picolinamide and pyrimidine-4-carboxamide compounds, a method for preparing the same, a pharmaceutical composition containing the same, and a medical use using the compound as an agent for preventing, regulating, and treating diseases related to regulation of glucocorticoids by using selective inhibitory activity of the compound for an 11?-HSD1 enzyme. The picolinamide and pyrimidine-4-carboxamide compounds of the present invention are selective inhibitors of human-derived 11?-HSD1 enzymes, and are useful in an agent for preventing, regulating, and treating diseases related to glucocorticoid regulation in which human-derived 11?-HSD1 enzymes are involved, for example, metabolic syndromes such as, type 1 and type 2 diabetes, diabetes later complications, latent autoimmune diabetes adult (LADA), insulin tolerance syndromes, obesity, impaired glucose tolerance (IGT), impaired fasting glucose (IFG), damaged glucose tolerance, dyslipidemia, atherosclerosis, hypertension, etc.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: August 4, 2015
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Je Ho Ryu, Shin Ae Kim, Keun Ho Ryu, Jae Sun Kim, Nam Ho Kim, Hye Young Han, Yong Hyuk Kim, Won-No Youn, Yoon-Jung Lee, Hyun Joo Son, Bong-Yong Lee, Sung Hoon Park, Ju Young Lee, Hyun Jung Lee, Hoe Chul Jung, Young Ah Shin, Jung A Lee, Bo Ram Lee, Joon Ho Sa
  • Publication number: 20150166558
    Abstract: Disclosed are a gonadotropin releasing hormone receptor antagonist and a pharmaceutical composition including the same, which can be useful in preventing or treating a sex hormone-related disease such as endometriosis, amenorrhea, irregular menstruation, uterine myoma, uterine fibroids, polycystic ovarian disease, lupus erythematous, hypertrichosis, precocious puberty, short stature, acne, alopecia, gonadal steroid-dependent neoplasms, gonadotropin-producing pituitary adenoma, sleep apnea, irritable bowel syndrome, premenstrual syndrome, benign prostatic hyperplasia, contraception, and infertility, as well as Alzheimer disease.
    Type: Application
    Filed: February 28, 2013
    Publication date: June 18, 2015
    Applicant: SK CHEMICALS CO., LTD.
    Inventors: Seon-Mi Kim, Jae-Sun Kim, Minhee Lee, So-young Lee, Bong-Yong Lee, Young Ah Shin, Euisun Park, Jung A Lee, Min-Young Han, Jaeseung Ahn, Taekyung Yoo, Hun-Taek Kim
  • Publication number: 20150146484
    Abstract: A method of programming multi-level memory cells includes defining a first program start voltage and a second program start voltage higher than the first program start voltage, programming first memory cells among the MLC to the first program state using a program operation that begins programming of the first memory cells at the first program start voltage, and programming second memory cells among the MLC to the second program state using a program operation that begins programming of the second memory cells at the second program start voltage.
    Type: Application
    Filed: November 18, 2014
    Publication date: May 28, 2015
    Inventors: BONG-YONG LEE, YU-SIK CHOI
  • Patent number: 9034850
    Abstract: Disclosed are compounds useful as gonadotrophin-releasing hormone (“GnRH”) receptor antagonist.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: May 19, 2015
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Seon Mi Kim, Min Hee Lee, Jae Sun Kim, Hoe Chul Jung, So Young Lee, Soo Min Lee, Eun Jeong Kim, Eui Sun Park, Sung Hoon Park, Bong Yong Lee, Key An Um
  • Publication number: 20150045749
    Abstract: Provided is a transdermal delivery system (for example, in the form of a patch) having a double-layer structure including a drug-containing matrix layer and an adhesive layer, wherein the drug-containing matrix layer is obtained by completely dissolving donepezil using a certain polymer and then formulating along with an adhesive; and a process for preparing the same. The transdermal delivery system according to the present invention does not show any crystallization of donepezil in the formulation, can release donepezil at a uniform rate for a long time, and can inhibit the release dumping phenomenon that occurs in a transdermal delivery system having a single-layer structure.
    Type: Application
    Filed: February 26, 2013
    Publication date: February 12, 2015
    Applicant: SK Chemicals Co., Ltd.
    Inventors: Jong-Seob Im, Yong-Youn Hwang, Won-No Youn, Yeo-Jin Park, Hye-Min Kim, Joon-Gyo Oh, Hun-Taek Kim, Bong-Yong Lee
  • Patent number: 8897076
    Abstract: In a non-volatile memory system, a plurality of main memory cells for storing data is arranged in a data cell array and a plurality of reference memory cells is arranged in a reference cell array. The reference cell array includes first reference word lines connected to first reference memory cells and extending, second reference word lines connected to second reference memory cells and extending alternately with the first reference word lines, reference bit lines to which the first and the second reference memory cells are alternately connected in a line and a combined cell having a pair of the first and second reference memory cells and generating a reference signal for processing the data. The first and the second reference memory cells have different cell characteristics. The stability of the reference signal is improved irrespective of the differentiation of the first and the second reference memory cells.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: November 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bong-Yong Lee, Jung-In Han, Hae-Bum Lee, Sang-Eun Lee, Jung-Ro Ahn, Kyung-Jun Shin, Tae-Hyun Yoon
  • Patent number: 8879318
    Abstract: In a method of storing data in a nonvolatile memory device, a program operation is performed on target memory cells among a plurality of memory cells based on a program voltage. A verification operation is performed on the target memory cells based on a verification voltage to determine whether all of the target memory cells are completely programmed. The verification voltage is changed depending on the program operation.
    Type: Grant
    Filed: July 10, 2012
    Date of Patent: November 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Ro Ahn, Bong-Yong Lee, Hae-Bum Lee, Eui-Do Kim, Houng-Kuk Jang, Kyung-Jun Shin, Tae-Hyun Yoon
  • Publication number: 20140312382
    Abstract: Provided are a power device having an improved field stop layer and a method of manufacturing the same. The power device includes: a first field stop layer formed of a semiconductor substrate and of a first conductive type; a second field stop layer formed on the first field stop layer and of the first conductive type, the second field stop layer having a region with an impurity concentration higher than the first field stop layer; a drift region formed on the second field stop layer and of the first conductive type, the drift region having an impurity concentration lower than the first field stop layer; a plurality of power device cells formed on the drift region; and a collector region formed below the first field stop layer, wherein the second field stop layer includes a first region having a first impurity concentration and a second region having a second impurity concentration higher than the first impurity concentration.
    Type: Application
    Filed: June 26, 2014
    Publication date: October 23, 2014
    Inventors: Kyu-hyun LEE, Young-chul KIM, Kyeong-seok PARK, Bong-yong LEE, Young-chul CHOI
  • Patent number: 8809401
    Abstract: Disclosed is a composition for transdermal administration containing tolterodine. The composition comprises lidocaine or a pharmaceutically acceptable salt thereof to achieve enhanced skin penetration. The composition enhances the skin penetration of tolterodine. Therefore, a successful commercial application of a tolterodine-containing transdermal preparation based on the composition can be expected.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: August 19, 2014
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Yong Youn Hwang, Won-Jae Choi, Jae-Sun Kim, Yeo-Jin Park, Joon-Gyo Oh, Bong-Yong Lee, Hae-In Rhee, Jong-Seob Im