Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470489 | Design rule checking system and method | Fang-Cheng Chang, Yao-Ting Wang | 2002-10-22 |
| 6453452 | Method and apparatus for data hierarchy maintenance in a system for mask description | Fang-Cheng Chang, Yao-Ting Wang | 2002-09-17 |
| 6436590 | Phase shifting circuit manufacture method and apparatus | Yao-Ting Wang | 2002-08-20 |
| 6420074 | Phase shifting circuit manufacture method and apparatus | Yao-Ting Wang | 2002-07-16 |
| 6370679 | Data hierarchy layout correction and verification method and apparatus | Fang-Cheng Chang, Yao-Ting Wang | 2002-04-09 |