Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6346482 | Semiconductor device having an improved contact structure and a manufacturing method thereof | Junko Matsumoto, Akemi Teratani, Yoshihiro Kusumi, Tetsuhiro Fukao, Kazuyuki Ohmi +2 more | 2002-02-12 |
| 6340844 | Semiconductor device having improved contact hole structure, and method of manufacturing the same | — | 2002-01-22 |