Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8309446 | Hybrid heterojunction solar cell fabrication using a doping layer mask | Timothy Weidman, Rohit Mishra, Michael P. Stewart, Kapila Wijekoon, Hongbin Fang | 2012-11-13 |
| 8207005 | Forming solar cells using a patterned deposition process | Timothy Weidman, Rohit Mishra, Michael P. Stewart, Kapila Wijekoon, Tristan R. Holtam +1 more | 2012-06-26 |
| 8183081 | Hybrid heterojunction solar cell fabrication using a metal layer mask | Timothy Weidman, Rohit Mishra, Michael P. Stewart, Kapila Wijekoon, Hongbin Fang | 2012-05-22 |
| 7951637 | Back contact solar cells using printed dielectric barrier | Timothy Weidman, Rohit Mishra, Michael P. Stewart, Kapila Wijekoon, Tristan R. Holtam +1 more | 2011-05-31 |
| 7611990 | Deposition methods for barrier and tungsten materials | Ki Hwan Yoon, Sang Ho Yu, Hafiz Farooq Ahmad, Ho Sun Wee | 2009-11-03 |
| 7416979 | Deposition methods for barrier and tungsten materials | Ki Hwan Yoon, Sang Ho Yu, Hafiz Farooq Ahmad, Ho Sun Wee | 2008-08-26 |
| 6740585 | Barrier formation using novel sputter deposition method with PVD, CVD, or ALD | Ki Hwan Yoon, Sang Ho Yu, Hafiz Farooq Ahmad, Ho Sun Wee | 2004-05-25 |
| 6660135 | Staged aluminum deposition process for filling vias | Sang Ho Yu, Murali Abburi, Shri Singhvi, Fufa Chen | 2003-12-09 |
| 6352620 | Staged aluminum deposition process for filling vias | Sang Ho Yu, Murali Abburi, Shri Singhvi, Fufa Chen | 2002-03-05 |