21. C. Suh, S. Jang, M. J. Kim, B. Falko, J. Yu, J. Kim, H. G. Kim, E. J. An, J. H. Jo, W. S. Chi, 'Radical scavenger, a method for producing the same, and a composite electrolyte membrane comprising the same' Republic of Korea, 10-2025-0132414 (Application)
20. D. J. Lee, Y. H. Choi, C. H. Lee, S. J. Yeom, H. W. Kim, W. S. Chi, J. E. Lee, 'Pseudomonas fildesensis PC31 strain having plastic degradation activity and uses thereof' Republic of Korea, 10-2024-0149431 (Application).
19. W. S. Chi, N. Han, 'Decomposition Method of Polyethylene Terephthalate', Republic of Korea, 10-2024-0171308 (Application).
18. W. S. Chi, E. J. An, K. J. Kim, 'Microporous gas separation membrane with improved carbon dioxide plasticization resistance and mechanical strength and method for producing the same', Republic of Korea, 10-2024-0167642 (Application).
17. W. S. Chi, J. H. Jo, E. J. An, J. Lee, 'Ionic Cross-Linked MOF-Polymer Mixed-Matrix Membranes for Suppressing Interfacial Defects and Plasticization Behavior', Republic of Korea, 10-2024-0122264 (Application).
16. W. S. Chi, E. J. An, S. J. An, 'Anion exchange membrane for water electrolysis containing quaternary ammoniated triptycene additive and method for manufacturing method', Republic of Korea, 10-2024-0105834 (Application).
15. C. H. Lee, D. J. Lee, Y. H. Choi, S. J. Yeom, H. W. Kim, W. S. Chi, K. J. Kim, 'MICROORGANISM OF ACINETOBACTER SP. WITH PLASTIC-DEGRADING ACTIVITY AND USE THEREOF', Republic of Korea, 10-2024-0077965 (Application).
14. D. J. Lee, Y. H. Choi, C. H. Lee, S.-J. Yeom, H. W. Kim, W. S. Chi, K. J. Kim, 'BACILLUS sp. FOR THE DEGRADATION OF AROMATIC-BASED PLASTICS AND USE THEREOF', Republic of Korea, 10-2023-0148911 (Application).
13. C. H. Hong, Y. H. Choi, S.-J. Yeom, W. S. Chi, 'Novel microorganism for polystyrene Biodegradation', Republic of Korea, 10-2022-0086650 (Application).
12. S.-J. Yeom, C.-H. Yun, W. S. Chi, C. G. Park, Y. B. Kim, S. M. Cheon, 'Novel microorganism with plastic-degrading activity and use thereof', Republic of Korea, 10-2022-0098026 (Application).
11. S.-J. Yeom, C.-H. Yun, W. S. Chi, S.-D. Yun, C. O. Lee, 'Novel microorganism with plastic-degrading activity and use thereof', Republic of Korea, 10-2021-0113277 (Application), 10-2383003 (Registration).
10. S.-J. Yeom, C.-H. Yun, W. S. Chi, H.-W. Kim, J. H. Jo, 'Novel microorganism with plastic-degrading activity and use thereof', Republic of Korea, 10-2021-0043089 (Application), 10-2383008 (Registration).
9. Z. P. Smith, W. S. Chi, B. J. Sundell, K. Zhang, S. C. Hayden, D. J. Harrigan, H. Lee, 'Branched metal-organic framework nanoparticles in mixed-matrix membranes and associated methods', USA, US20210129088A1 (Application).
8. Z. P. Smith, W. S. Chi, H. Lee, 'Branched metal-organic framework nanoparticles and associated methods', USA, US20210130372A1 (Application).
7. W. S. Chi, C. S. Lee, J. H. Kim, 'Hierarchically ordered mesoporous titanium dioxide based on metal-organic frameworks, preparation method thereof and dye-sensitized solar cell using the same', Republic of Korea, 10-2015-0119925 (Application), 101733405 (Registration).
6. J. H. Lee, W. S. Chi, J. P. Jung, J. H. Kim, 'Gas separation membrane containing amphiphilic copolymer and method for preparing the same', Republic of Korea, 10-2015-0107386 (Application), 101680077 (Registration).
5. D. K. Roh, S. J. Kim, H. Jeon, W. S. Chi, B. Jung, J. H. Kim, 'Method of preparing meso-porous magnesium titanate and carbon dioxide separation membranes using graft copolymer and method of preparing the same', Republic of Korea, 10-2013-0082948 (Application), 101577790 (Registration).
4. D. K. Roh, S. J. Kim, W. S. Chi, S. Y. Heo, J. H. Kim, 'Carbon dioxide separation membrane comprising porous hollow titanium dioxide nanoparticle and manufacturing method thereof', Republic of Korea, 10-2014-0035989 (Application), 101576052 (Registration) & USA, 14/669,660 (Application), 9233343 (Registration).
3. S. H. Ahn, D. J. Kim, W. S. Chi, J. H. Kim, 'TiO2 nanosheet coated SnO2 nanoparticles, dye-sensitized solar cells comprising the same and method for fabrication thereof', Republic of Korea, 10-2013-0078506 (Application), 101540971 (Registration).
2. S. H. Ahn, W. S. Chi, J. H. Kim, 'Preparation method of mesoporous TiO2 film using TiO2 nanoparticles and graft copolymer and dye-sensitized solar cells using the same', Republic of Korea, 10-2012-0032397 (Application), 101382532 (Registration).
1. W. S. Chi, C. M. Lee, Y.-G. Shul, J. H. Kim, 'Process of preparing hybrid membranes comprising functional material by sol-gel and thus prepared hybrid membranes', Republic of Korea, 10-2010-0139971 (Application), 101304240 (Registration).