1. System for Obtaining Biodegradable Polymers: PI 2008 4843, UTM Patent (Malaysia).
2. Extraction Method for Recovering Polhydroxyalkanoates: PI 2008 3142, UTM Patent (Malaysia).
3. Process of Aerobic Granular Sludge (AGS) Development for Domestic Wastewater Treatment in Hot Climates: PI 2008 2734, UTM Patent (Malaysia).
4. Technical Design of Cyclic Aerobic Granular Sludge Bioreactor(CAgSBio) as a Compact, Slender and High Vertical Reactor for Domestic Wastewater Treatment in Hot Climates: PI 2008 2928, UTM Patent (Malaysia).
5. Mixing Criteria Development for Aerobic Granular Sludge (AGS) Bioreactor Operation: PI 2008 2929, UTM Patent (Malaysia).
6. Procedures Development for Evaluation of Aerobic Granular Sludge (AGS) Physical Strength: PI 2008 2930, UTM Patent (Malaysia).
7. Stormwater Filter System: PI 2006 1156, UTM Patent (Malaysia).
8. Bioplastic Raw Materials Production from Palm Oil Waste: PI 2007 1650, UTM Patent (Malaysia).
9. Wastewater Treatment Plant Design Advisor (WASDA) Version 4.1: ©2008/146/236, UTM Copyright (Malaysia).
10. Industrial Waste Management Using Cleaner Production Approach ©2007/39/81, UTM Copyright (Malaysia).
11. Water Technology as a Strategic Industry :©2007/40/82, UTM Copyright (Malaysia).
12. Highly Effective Environmental Strategy and Sustainable Productivity: ©2007/41/83, UTM Copyright (Malaysia)
13. Health Risk Assessment Software (RISKAS): ©2007/17/59, UTM Copyright (Malaysia).
14. Air Pollution Design Advisor (AiPAD): ©2007/27/69, UTM Copyright (Malaysia).
15. Module on Membrane Technology for Water Industry Applications: ©2007/35/77, UTM Copyright (Malaysia).
16. Environmental Health Risk Assessment ©2007/36/78, UTM Copyright (Malaysia).
17. Training Module on Wastewater Engineering: ©2007/37/79, UTM Copyright (Malaysia).
18. Design Procedures and Technologies for Waste Biological Treatment Plant: ©2007/38/80, UTM Copyright (Malaysia).
19. Wastewater Treatment Plant Design Advisor System Software (WASDA): ©2003/1/7, UTM Copyright (Malaysia).
20. StormWater Filter: MY 03-00376, UTM Industrial Design (Malaysia).
