| 2006-08 | An analysis of citation counts of ETRI-invented US patents | Lee, Yong-Gil; Lee, Jeong-Dong; Song, Yong-Il |
| 2010-01 | Different characteristics between auctioned and non-auctioned patents | Lee, Yong-Gil; Lee, Ji-Hoon |
| 2007-09 | Managing uncertainty and ambiguity in frontier R&D projects: A Korean case study | Song, Yong-Il; Lee, Dae-Hee; Lee, Yong-Gil; Chung, Yun-Chul |
| 2008-06 | Patent licensability and life: A study of US patents registered by South Korean public research institutes | Lee, Yong-Gil |
| 2010-01 | Sectoral strategic differences of technological development between electronics and chemistry: a historical view from analyses of Korean-invented US patents during the period of 1989-1992 | Lee, Yong-Gil |
| 2007-01 | Selecting the key research areas in nano-technology field using technology cluster analysis: A case study based on National R&D Programs in South Korea | Lee, Yong-Gil; Song, Yong-Il |
| 2009-06 | What affects a patent's value? An analysis of variables that affect technological, direct economic, and indirect economic value: An exploratory conceptual approach | Lee, Yong-Gil |
