CC

Chang Hee Choi

TA Taegutec: 31 patents #1 of 48Top 3%
LC Lg Cable: 4 patents #2 of 106Top 2%
LG: 3 patents #10,792 of 26,165Top 45%
AD Agency For Defense Development: 1 patents #243 of 991Top 25%
Overall (All Time): #78,405 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
8696258 Cutting tool and cartridge for the same Chang Gyu Park 2014-04-15
8690495 Cutting tool and cutting insert for the same 2014-04-08
D700640 Cutting insert Jung-Hoon Park 2014-03-04
D700639 Cutting insert Jung-Hoon Park 2014-03-04
8556548 Tool holder clamp assembly for cutting inserts and its pressing plate Hong-sik Park, Sung Hyup Park 2013-10-15
8469637 Cutting insert having non-symmetrical back side face portion and cutting tool comprising the same Chang Gyu Park, Hee Seok Kim 2013-06-25
8434975 Double-sided cutting insert and milling cutter mounting the same Chang Gyu Park 2013-05-07
8328472 Cutting insert Chang Gyu Park 2012-12-11
8021087 Tool holder assembly for multifunction machine and adapter for the same Hong-Sick Park, Dae Wi Bae 2011-09-20
7959383 Cutting insert and cutting tool therewith Chang Gyu Park 2011-06-14
7112271 Method and apparatus for making very low roughness copper foil Cha Jo, Sangyum Kim, Jeong-Ik Kim 2006-09-26
6965293 Electrical device having PTC conductive polymer Soo-An Choi, Jong Ho Lee, Tae-Sung Kim, Jun-Ku Hahn 2005-11-15
6893738 Electrodeposited copper foil for PCB having barrier layer of Zn-Co-As alloy and surface treatment method of the copper foil Sang Kyum Kim 2005-05-17
6878261 Surface treatment method of copper foil with silane coupling agent Sang Kyum Kim, Byoung-Un Kang 2005-04-12
5904448 Finishing throwaway ball endmill Sang Wook Lee, Man Gyo Park 1999-05-18