| 2007 | ISCAS | Triangle-Level Depth Filter Method for Bandwidth Reduction in 3D Graphics Hardware. | Jae-Sung Yoon, Chang-Hyo Yu, Donghyun Kim, Lee-Sup Kim |
| 2006 | ISCAS | An efficient texture cache for programmable vertex shaders. | Seunghyun Cho, Chang-Hyo Yu, Lee-Sup Kim |
| 2006 | ISCAS | Vertex cache of programmable geometry processor for mobile multimedia application. | Kyusik Chung, Chang-Hyo Yu, Lee-Sup Kim |
| 2005 | ISCAS | A 33.2M vertices/sec programmable geometry engine for multimedia embedded systems. | Chang-Hyo Yu, Donghyun Kim, Lee-Sup Kim |
| 2004 | ISCAS | An adaptive spatial filter for early depth test. | Chang-Hyo Yu, Lee-Sup Kim |
| 2003 | ISCAS | A hardware-like high-level language based environment for 3D graphics architecture exploration. | Inho Lee, Joung-Youn Kim, Yeon-Ho Im, Yunseok Choi, Hyunchul Shin, Chang-Young Han, Donghyun Kim, Hyoungjoon Park, Young-Il Seo, Kyusik Chung, Chang-Hyo Yu, Kanghyup Chun, Lee-Sup Kim |
| 2003 | ISCAS | A hierarchical depth buffer for minimizing memory bandwidth in 3D rendering engine: Depth Filter. | Chang-Hyo Yu, Lee-Sup Kim |