- Sang G. Kim, PahngRoc Oh and Hong J. Lee, “Valve utilizing shape memory alloys”, US Patent No. 5588717, Dec. 1996
- Sang G. Kim and Hong J. Lee, “Simulator for testing an ABS modulator”, US Patent No. 5621168, Apr. 1997
- Sang G. Kim, Hong J. Lee and PahngRoc Oh, “Valve utilizing shape memory alloys and an anti-lock brake system”, US Patent No. 5622413, Apr. 1997
- Sang G. Kim and Yoo G. Kim, “Atomic force microscope and driving method therefor”, US Patent No. 6,708,556, Mar. 2004
- G. Barbastathis, S.G. Kim,, W. Shih, C. Wong, and Y. Jeon,” Micro-actuated adaptive diffractive composites”, US Patent No. 6,975,459, 2005
- C.W. Wong, S. Johnson, G. Barbastathis and S.G. Kim, “Dynamically Tunable Photonic Bandgap Microcavity Waveguides via Mechanical Lattice Control,” US Patent No. 7,092,606, Aug. 2006
- C.W. Wong, G. Barbastathis and S.G. Kim, “ Reconfigurable microphotonics devices via deformable membrane platforms,” US Patent No. 7,110,628, Sep. 2006
- Sang-Gook Kim, “Method of Making Packets of Nanostructures,” US Patent 7507987, Mar. 2009
- NP Suh, SG Kim, T Lee, I Barman, G Heo, “Method and apparatus for permeating flow desalination,” US Patent 664, 2007
- B. L. Wardle and S.-G. Kim, “Ultra-tough Hybrid Nanocomposite Interlayer Architecture”, United States Patent 7537825, May 2009
- Firas Sammoura and Sang-Gook Kim, "Frequency Tunable Piezoelectric Micromachined Ultrasonic Transonic Transducers", US Patent United States of America Patent No. 8,723,399, May 2014
- NP Suh, SG Kim, T Lee, I Barman, G Heo, “Method and apparatus for permeating flow desalination,” US Patent No. 8,871,074 October 2014
- S-G Kim, S. Kim and H. W. Lee, "Method of Making and Assembling Capsulated Nanostructures", US Patent 9494615, 2016
- Jeffrey Brian Chou, Sang-Gook Kim, “Metallic Dielectric Photonic Crystals and Methods of Fabrication” US patent No. 9523152, 2016
- Jeffrey Brian Chou, Sang-Gook Kim, "METALLIC DIELECTRIC PHOTONIC CRYSTALS AND METHODS OF FABRICATION", US Patent No. 9837953
- Haluk Akay, Sang-Gook Kim, Kelsey C Seto, Ruize Xu, "ENERGY HARVESTING FOOTWEAR COMPRISING THREE COMPRESSIBLE VOLUMES", US Patent No. 10973276
- Sang-Gook Kim, Ruize Xu, "MICRO ELECTROMECHANICAL SYSTEM (MEMS) ENERGY HARVESTER WITH RESIDUAL STRESS INDUCED INSTABILITY", US Patent No. 11012006