Chungchungbuk-do
South Korea
8
2007-03-27
The entities that hold a legal rights for patent applications filed by inventor Yang Dek-Gin:
Dek-Gin Yang from Chungchungbuk-do, KR has applied for patents for these inventions. The list has both pending applications and granted patents:
Optical printed circuit board for long-distance signal transmission
#2 | 2006-08-17Method of fabricating multi-layered printed circuit board for optical waveguides
#3 | 2006-05-16Method of fabricating multi-layered printed circuit board for optical waveguides
#4 | 2006-02-07Printed circuit board with opto-via holes and process of forming the opto-via holes
#5 | 2005-12-20Multi-layer PCB and method for coupling block type multichannel optical signals
#6 | 2005-04-19Method of measuring dielectric constant of PCB for RIMM
#7 | 2005-03-10Brown oxide pretreatment composition for cleaning copper surface and improving adhesion of polyimide surface, and method for improving adhesion of polyimide surface by applying the same to brown oxide process
#8 | 2005-01-04Multi-layer printed circuit board and the method for coupling optical signals between layers of multi-layer printed circuit board
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