Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11453013 | Variable bidirectional electrostatic filter system with adjustable distance between charging part and dust collecting part | — | 2022-09-27 |
| 7041605 | Semiconductor contact structure and method of forming the same | — | 2006-05-09 |
| 6812577 | Semiconductor contact structure having wide lower portion embedded in conductive material | — | 2004-11-02 |