| - | A conceptual model for computer-aided quality assurance system | Ha Sung Do; Park Ji Hyung; HWANG IN-SHIK; Kang Mu-jin; Hyong-Min Yeo | 
| - | A design knowledge management framework for active design support | PAHNG GUN DONG; Ha Sung Do; Park Se Hyung | 
| - | A framework for computer-aided quality assurance system using quality information flow model in manufacturing enterprises | Ha Sung Do; Park Ji Hyung; Kang Mu-jin; 여형민 | 
| - | A methodology for constructing funtion tree & fault tree in reliability analysis | Ha Sung Do; 이언경; Dal Mo Kang | 
| - | A quality information model for enterprise-wide quality assurance system | Ha Sung Do; Park Ji Hyung; HWANG IN-SHIK; Kang Mu-jin | 
| - | A realization of the process chain from reverse engineering to rapid tooling | Song Yong Ak; Park Se Hyung; Ha Sung Do | 
| - | A study on 3D CAD tolerance information handling for inspection planning | HWANG IN-SHIK; 이관복; Ha Sung Do | 
| - | A study on dimensional error analysis in LOM parts | Ha Sung Do; KIM KYUNG HWAN; Song Yong Ak; 박태권; 김창희 | 
| - | A study on the 3D image processing for e-catalog. | PARK KWANG HYUN; Park Se Hyung; Ha Sung Do | 
| - | A study on the construction of function tree using function deployment | Ha Sung Do; 이언경; 박선주; Dal Mo Kang | 
| - | A study on the development of knowledge-based inspection planning system for CMM | Ha Sung Do; HWANG IN-SHIK; Rho Hyung-Min | 
| - | A study on the development of reliability modeling in machine parts | Ha Sung Do; DOO YOUNG LEE | 
| - | A system for collaboration in distributed enterprises. | Ha Sung Do; Eon Gyeong Lee | 
| - | Automated fixture planning for prismatic parts using modular fixtures | Ha Sung Do; 최재혁; 이홍철 | 
| - | CMM measurement planning in fapps | Ha Sung Do; HWANG IN-SHIK; PARK MYON WOONG; Rho Hyung-Min | 
| - | Comparison between five-axis machining and rapid tooling for manufacture of a free-form shaped functional part | Park Se Hyung; Song Yong Ak; Ha Sung Do | 
| - | Development of 3D tolerance input and inspection planning system | Ha Sung Do; HWANG IN-SHIK; 이관복 | 
| - | Development of e-catalog manager in web-based e-catalog system. | Jang Min Je; Park Se Hyung; Ha Sung Do | 
| - | Development of feature-based intelligent inspection planning system for CMM | Ha Sung Do; HWANG IN-SHIK | 
| - | Development of fuzzy-statistical control chart for processing uncertain process information | Ha Sung Do; KIM KYUNG HWAN | 
| - | Development of intelligent product system using functional features | Kim Won Ki; KIM TAE SOO; 차성운; Ha Sung Do | 
| - | Development of quality information control technique using fuzzy theory. | Ha Sung Do; KIM KYUNG HWAN | 
| - | Engineering knowledge generation through ontology-based document management | PAHNG GUN DONG; LEE YOUMI; 구미정; Park Se Hyung; Ha Sung Do | 
| 2000-02 | FAPPS (feature-based automatic process planning system) 개발 | Rho Hyung-Min; PARK MYON WOONG; Ha Sung Do; LEE CHUNG SOO; PARK JAE MIN; KIM JAE KWAN; Park Byoung-Tae; HWANG IN-SHIK; 이교일; 공상훈; 김용세; Eric Wang | 
| - | Fault tree construction method using function deployments of machine parts | Ha Sung Do; 이언경; Dal Mo Kang | 
| - | Function decomposition of structural part in automatic transmission lever for the development of intelligent product design system | Ha Sung Do; Kim Won Ki; 고희병; 차성운 | 
| - | Fuzzy conflict resolution methodology for intelligent product design system | Ha Sung Do; KIM KYUNG HWAN; 김재중; LEE SOO HONG | 
| - | Implementation of the process chain from point data acquisition to rapid tooling of a ship propeller | Song Yong Ak; Park Se Hyung; Ha Sung Do | 
| - | Intelligent product design with fuzzy conflict resolution methodology | Ha Sung Do; 김재중; KIM KYUNG HWAN; LEE SOO HONG | 
| - | Keeping safety stocks by simulation in supply chains with uncertainty | 이언경; 김승권; Ha Sung Do |