Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9304671 | Printing apparatus and controller therefor | David Allen, Steven Calde, Chia-Kai Hsu, Vladimir Buzuev, Wayne Greenwood | 2016-04-05 |
| 6022834 | Alkaline surfactant polymer flooding composition and process | Oliver YeSung Hsu | 2000-02-08 |