Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376816 | Bi-cmos integrated circuit device having buried region use in common for bipolar and mos transistors | Kiyotaka Imai | 1994-12-27 |
| 5293503 | Semiconductor device having multilayer metal interconnection | — | 1994-03-08 |
| 5293512 | Semiconductor device having a groove type isolation region | Takaaki Kuwata | 1994-03-08 |