"Design and performance of compact 150 KJ capacitive pulsed power system for electro-thermal chemical gun application" YS Jin, JS Kim, HJ Ryoo, YB Kim, BH Lee, SH Kim, KS Yang , 2009 IEEE International Conference on Plasma Science , Jun.2009

"DLC coatings by PI3D:Low-voltage vs High-voltage Biasing" HJ Ryoo, SA Nikiforov, GH Rim, SV Shenderey, HS Oh, SI Chung , Acta Physica Polonica A , Vol.115 , No.6 , pp.1146-1148 , Jun.2009

"Development of 60kV, 300A, 3kHz Pulsed Power Modulator for Wide Applications" Acta Physica Polonica A/ HJ Ryoo, SR Jang, G Goussev, GH , Acta Physica Polonica A , Vol.115 , No.6 , pp.967-970 , Jun.2009

"PI3D Processing of DLC coatings for different applications" SA Nikiforov, HJ Ryoo, HS Oh, GH Rim , (Physical status solidi C) , Vol.5 , No.4 , pp.968-972 , Sep.2007

"Semiconductor switch-based fast high-voltage pulse generators" JH kim, IW Jeong, HJ Ryoo, S Shenderey, JS kim, GH Rim , PPC-2003. 14th IEEE International Pulsed Power Conference (Physical status solidi C) , Vol.1 , No.3 , pp.665-668 , Jun.2003

"Unit power factor operation of parallel operated AC to DC PWM converter for high power traction application" HJ Ryoo, JS Kim, GH Rim, YJ kim, MH Woo, CY Won , 2001 IEEE 32nd Annual Power Electronics Specialists Conference (Physical status solidi C) , Vol.2 , No.1 , pp.631-636 , Jun.2001