Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9368671 | Bifacial tandem solar cells | Steven J. Wojtczuk, Philip T. Chiu, Xuebing Zhang, Michael Timmons | 2016-06-14 |
| 8852994 | Method of fabricating bifacial tandem solar cells | Steven J. Wojtczuk, Philip T. Chiu, Xuebing Zhang, Michael Timmons | 2014-10-07 |