DA

Dong-cheol Ahn

Samsung: 17 patents #7,989 of 75,807Top 15%
SC S-Printing Solution Co.: 2 patents #77 of 396Top 20%
GC Goldstar Co.: 1 patents #307 of 863Top 40%
Overall (All Time): #222,664 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D807952 Toner cartridge for printer Ji-Won Moon, Seung-Chan Park 2018-01-16
D807953 Toner cartridge for printer Ji-Won Moon, Seung-Chan Park 2018-01-16
9465354 Imaging cartridge and electrophotographic image forming apparatus using the same Seung-Chan Park, Sang Hoon Lee, Seong-ho Jeong 2016-10-11
D765164 Printer developer Seung-Chan Park, Sang Hoon Lee, Ji-Won Moon, Ho-jin Jang, Yong Il Moon +2 more 2016-08-30
D755888 Toner cartridge Sang Hoon Lee, Ji-Won Moon, Ho-jin Jang, Seung-Chan Park, Yong Il Moon +2 more 2016-05-10
D755283 Toner cartridge Sang Hoon Lee, Ji-Won Moon, Ho-jin Jang, Seung-Chan Park, Yong Il Moon +2 more 2016-05-03
D754248 Toner cartridge Ho-jin Jang, Ji-Won Moon, Seung-Chan Park, Sang Hoon Lee, Yong Il Moon +2 more 2016-04-19
D754247 Toner cartridge Sang Hoon Lee, Ji-Won Moon, Ho-jin Jang, Seung-Chan Park, Yong Il Moon +2 more 2016-04-19
9182739 Electrophotographic image forming apparatus Sang Hoon Lee, Young-chae Kim, Sang Jin Park, Ki Hyun Yoo, Seung-gweon Lee +1 more 2015-11-10
D727411 Toner cartridge for printer Ji-Won Moon, Seung-Chan Park 2015-04-21
8706006 Developing device and image forming apparatus including the same Jong-In Kim, Sung-Gi Kim, Sang Hoon Lee 2014-04-22
8238777 Developing device and electrophotographic image forming apparatus including the developing device Jong-In Kim, Jai-il Choi 2012-08-07
8121514 Developing device and image forming apparatus employing the same Jong-In Kim, Min Ji, Jai-il Choi 2012-02-21
8050581 Image forming apparatus and control method thereof Gun-soo Chang 2011-11-01
7995937 Image forming apparatus and control method thereof Jun Hee Lee 2011-08-09
7953346 Developing cartridge, image forming apparatus, and method of mounting/separating developing cartridge on/from image forming apparatus Young Min Kim 2011-05-31
7319835 Image forming device having first and second light providing units 2008-01-15
7302198 Device and method to calculate a consumed amount of toner 2007-11-27
7088929 Apparatus to measure an amount of toner consumed and method thereof 2006-08-08
5217120 Apparatus for loading and unloading sleeves for integrated circuit ester Soo P. Lee, Sub Kim, Duk Haeng Lee, Yol Kim 1993-06-08