Professor Dr. Katsuyoshi Kondoh is a vice director of Joining and Welding Research Institute (JWRI), Osaka University. He received both B.S./M.S. degrees and PhD from Osaka University majoring in arc welding process. His major research field is powder metallurgy materials and processing, in particular non-ferrous materials and their composites such as magnesium, titanium, aluminum and copper. He also studies on high-performance carbon nanotubes reinforced metal matrix composites and CNTs coating process for mechanical materials and biomaterials. He published more than 200 papers and has about 120 patents.