Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9806211 | Tandem solar cell with improved absorption material | Oki Gunawan, Jeehwan Kim, Devendra K. Sadana, Teodor K. Todorov | 2017-10-31 |
| 9799792 | Substrate-free thin-film flexible photovoltaic device and fabrication method | Oki Gunawan, Homare Hiroi, Jeehwan Kim, Hiroki Sugimoto | 2017-10-24 |
| 9716207 | Low reflection electrode for photovoltaic devices | Keith E. Fogel, Jeehwan Kim, Mark T. Winkler | 2017-07-25 |