Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9552968 | Plasma cleaning apparatus and method | Martin Deehan, Matt Cheng-Hsiung Tsai, David T. Or, Mei Chang | 2017-01-24 | $20,961,000 |
| 8721796 | Plasma cleaning apparatus and method | Martin Deehan, Matt Cheng-Hsiung Tsai, David T. Or, Mei Chang | 2014-05-13 | $10,757,000 |
| 8252696 | Selective etching of silicon nitride | Xinliang Lu, Haichun Yang, Zhenbin Ge, David T. Or, Chien-Teh Kao +1 more | 2012-08-28 | $5,542,000 |
| 6953474 | Multifunctional cool and hot compress bag | — | 2005-10-11 | |
| D492215 | Electronic article surveillance device | — | 2004-06-29 |