Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7686871 | Integrated filter assembly | Lihong Zhang, Djohni Chandra | 2010-03-30 |
| 7505225 | Activated carbon fiber filter for a data storage system | Lihong Zhang | 2009-03-17 |
| 6940279 | Transfer function for track average amplitude prediction | FongKheon Chong, Edward Hew, SanYuan Liew, YoiSeng Yee | 2005-09-06 |