Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607878 | Contact plug forming method | Mari Otsuka, Tomonori KITAKURA, Kenichi Otsuka | 1997-03-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607878 | Contact plug forming method | Mari Otsuka, Tomonori KITAKURA, Kenichi Otsuka | 1997-03-04 |