Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9816196 | Method and apparatus for electroplating semiconductor wafer when controlling cations in electrolyte | Tighe A. Spurlin, Ludan Huang, Matthew Thorum, Lee J. Brogan, James E. Duncan +9 more | 2017-11-14 |
| 9138784 | Deionized water conditioning system and methods | Jeffrey A. Hawkins, Jason Daniel Marchetti, Kousik Ganesan, Bryan L. Buckalew | 2015-09-22 |
| 8309473 | Method for purifying acetylene gas for use in semiconductor processes | Gishun Hsu, Scott Stoddard | 2012-11-13 |
| 7820556 | Method for purifying acetylene gas for use in semiconductor processes | Gishun Hsu, Scott Stoddard | 2010-10-26 |