Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11309169 | Biasable flux optimizer / collimator for PVD sputter chamber | Martin Lee Riker, Fuhong Zhang, Zheng Wang | 2022-04-19 |
| 10727033 | Biasable flux optimizer / collimator for PVD sputter chamber | Martin Lee Riker, Fuhong Zhang, Zheng Wang | 2020-07-28 |
| 10347474 | Biasable flux optimizer / collimator for PVD sputter chamber | Martin Lee Riker, Fuhong Zhang, Zheng Wang | 2019-07-09 |
| 9960024 | Biasable flux optimizer / collimator for PVD sputter chamber | Martin Lee Riker, Fuhong Zhang, Zheng Wang | 2018-05-01 |
| 5297545 | Underwater breathing device | — | 1994-03-29 |