Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696007 | Method for manufacturing a super self-aligned bipolar transistor | Byung-Ryul Ryum, Tae-Hyeon Han, Deok-Ho Cho, Kwang Eui Pyun | 1997-12-09 |
| 5696020 | Method for fabricating semiconductor device isolation region using a trench mask | Byung-Ryul Ryum, Tae-Hyeon Han, Deok-Ho Cho, Jin-Young Kang | 1997-12-09 |
| 5668022 | Silicon-silicon-germanium heterojunction bipolar transistor fabrication method | Deok-Ho Cho, Tae-Hyeon Han, Byung-Ryul Ryum, Kwang Eui Pyun | 1997-09-16 |