Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10090431 | System and method for thin film photovoltaic modules and back contact for thin solar cells | Zimeng Cheng, Ken Chin | 2018-10-02 |
| 7652209 | Method of junction formation for CIGS photovoltaic devices | — | 2010-01-26 |
| 7235160 | Hollow cathode sputtering apparatus and related method | Sheyu Guo | 2007-06-26 |
| 7019208 | Method of junction formation for CIGS photovoltaic devices | — | 2006-03-28 |
| 6660538 | Non-contacting deposition control of chalcopyrite thin films | — | 2003-12-09 |
| 5064477 | Radiant energy sensitive device and method | — | 1991-11-12 |
| 4849029 | Energy conversion structures | — | 1989-07-18 |
| 4696702 | Method of depositing wide bandgap amorphous semiconductor materials | Frank Ellis | 1987-09-29 |
| 4692558 | Counteraction of semiconductor impurity effects | Vikram L. Dalal, Erter Eser | 1987-09-08 |
| 4680616 | Removal of defects from semiconductors | Thomas Tonon | 1987-07-14 |
| 4675467 | Directed energy conversion of semiconductor materials | John E. Van Dine, Herbert A. Weakliem, Zoltan Kiss | 1987-06-23 |
| 4625071 | Particulate semiconductors and devices | Frank Ellis, Albert Rose | 1986-11-25 |
| 4616246 | Enhancement of photoconductivity in pyrolytically prepared semiconductors | — | 1986-10-07 |