Miniature elastomeric valve design for safe direct current stimulator. - Chaojun Cheng; Raviraj Thakur; Ankitha Rajagopalan Nair; Scott Sterrett; Gene Y. Fridman (BioCAS, 2017)

A microfluidic system integrated with shape memory alloy valves for a safe direct current delivery system. - Chaojun Cheng; Felix P. Aplin; Gene Y. Fridman (EMBC, 2020)

A Cuff Lead for Delivering Ionic Direct Current (iDC) to Block Neural Activities of Sciatic Nerve. - Chaojun Cheng; Grace E. Foxworthy; Gene Y. Fridman (EMBC, 2023)

Freeform Stimulator (FS) Implant Design for Non-Pulsatile Arbitrary Waveform Neuromodulation. - Alexandra Cheng; Paul Adkisson; Chaojun Cheng; Gene Y. Fridman (NER, 2023)