1
Park Byung soon, Choi Bong geun, Park Chul hong: Mass producing method of growth factor using adipose derived adult stem cells. Prostemics, Ding Xianglan, Zhao Xiaomei, April 1, 2009: CN200680051716

The present invention relates to a method for producing large amounts of human giowth factors from human adipose-derived stem cells. More specifically, the invention provides a method capable of synthesizing human growth factors in significantly large amounts by culturing adipose-derived stem cells ...


2
Choi Bong Geun: Vtoa gateway system and method for processing isdn d channel message therein. LG Electronics, September 29, 2003: KR1020020015820

PURPOSE: A VTOA(Voice and Telephony Over ATM) gateway system and a method for processing an ISDN D channel message therein are provided to process an ISDN D channel message using AAL 5 without the necessity of additional hardware and software for ISDN D channel message processing. CONSTITUTION: A pl ...


3
Choi Bong Geun, Kim Mun Hui, Lee Hye Jin: Isdn closed user group service providing method using functional protocol in full electronic telephone exchange(tdx-100). Kt Corporation, LG Electronics, July 12, 2002: KR1020000086929

PURPOSE: An ISDN CUG(Closed User Group) service providing method using a functional protocol in a full electronic telephone exchange(TDX-100) is provided to be broadly utilized for an intra-group information sharing or in-office club bulletin board by enabling a voice or a high speed data communicat ...


4
Choi Bong Geun, Lee Hye Jin, Lee Seong Geun: Isdn closed user group service providing method using keypad protocol in full electronic telephone exchange(tdx-100). Kt Corporation, LG Electronics, July 12, 2002: KR1020000086928

PURPOSE: An ISDN CUG(Closed User Group) service providing method using a keypad protocol in a full electronic telephone exchange(TDX-100) is provided to be broadly utilized for an intra-group information sharing or in-office club bulletin board by enabling a voice or a high speed data communication ...


5
Choi Bong Geun, Park Byung Soon, Park Chul Hong: Cosmetic composition capable of improving wrinkles and inhibiting skin aging containing fibroblast growth factor having enhanced safety and stability. Adiporab, January 2, 2007: KR1020050055017

PURPOSE: A cosmetic composition containing a fibroblast growth factor is provided to improve skin wrinkles, enhance safety of fibroblast growth factor by separating it from adipocytes, and avoid titer lowering of fibroblast growth factor by stabilizing it with hydrophilic polymer resin. CONSTITUTION ...


6
Cho Jae Deuk, Choi Bong Geun, Yoo Yeong Hwan: Device for uniformalizing flow velocity. Hyundai Mobis, December 31, 2003: KR1020020034109

PURPOSE: A device for uniformalizing flow velocity is provided to improve the flow uniformity of emission by forming a curved extension tube and installing a reticulate pressure resistance body at the extension tube. CONSTITUTION: An extension tube(10) is formed between an outlet tube(12) of an engi ...


7
Choi Bong Geun, Hwang In Gi, Ju Gyeong, Kim Gyeong Hun, Kim Yeong Taek, Sim Gwang Bo, Sim Seung Hwan: Powder classification system using two-stepped cyclone chamber capable of preventing aggregation of nano-particles by keeping low pressure in the chamber. Ko Ryo Vacuum, October 16, 2004: KR1020030022600

PURPOSE: A power classification system using a two-stepped cyclone chamber is provided to prevent the aggregation phenomenon of nano-particles by introducing a vortex generating chamber, to efficiently classify them, and to fine-granulate the classified particle size, and to increase return rate and ...


8
Choi Bong Geun: Apparatus for production of wax for precise casting. K Chemical, July 11, 2001: KR1019990008090

PURPOSE: An apparatus for automatically, continuously producing wax used for casting parts requiring a high degree of precision such as the wings of an airplane is provided which reduces personnel expenses as well as improving productivity. CONSTITUTION: The apparatus comprises: a dissolution tank(1 ...


9
Choi Bong Geun: Method for managing contents through internet. Didimdolnetschool, November 24, 2001: KR1020000025271

PURPOSE: A method for managing contents through the internet is provided to continuously improve the quality of the contents through participation and verification of a user, and to exchange the interactive information between a contents provider and the user. CONSTITUTION: The contents provider(10, ...


10
Choi Bong Geun: Method for transmitting information between isdn subscribers. LG Electronics, July 6, 2002: KR1020000082040

PURPOSE: A method for transmitting information between ISDN subscribers is provided to transmit a UUI(User-to-User Information) by including the UUI in a Q.931 message involved in a call set-up or a call release step by using a UUS(User-to-User Signaling service), one of supplementary services of an ...