Granted Patent
Utility
US 6,489,193 · App. 10/040,442
Process for device isolation
Inventors:
Lung-Wen Chen, Teng-Feng Wang, Zen-Long Yang, Shih-Hui Chang, Yung-Shin Wang
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Jan 9, 2002
Inventors
Lung-Wen Chen
Teng-Feng Wang
Zen-Long Yang
Shih-Hui Chang
Yung-Shin Wang
Assignee (at issue)
Silicon Integrated Systems Corp.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.