Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562688 | Method of manufacturing a bipolar device | Tae-Hyeon Han, Byung-Ryul Ryum, Soo Min Lee | 2003-05-13 |
| 6552374 | Method of manufacturing bipolar device and structure thereof | Tae-Hyeon Han, Byung-Ryul Ryum, Soo Min Lee | 2003-04-22 |
| 6462397 | Bipolar junction device | Byung-Ryul Ryum, Tae-Hyeon Han, Soo Min Lee | 2002-10-08 |
| 6362066 | Method for manufacturing bipolar devices | Byung-Ryul Ryum, Tae-Hyeon Han, Soo Min Lee | 2002-03-26 |
| 6337494 | Super self-aligned bipolar transistor and method for fabricating thereof | Byung-Ryul Ryum, Tae-Hyeon Han, Soo Min Lee | 2002-01-08 |
| 6190984 | Method for fabricating of super self-aligned bipolar transistor | Byung-Ryul Ryum, Tae-Hyeon Han, Soo Min Lee, Kwang Eui Pyun | 2001-02-20 |
| 6140195 | Method for fabricating a lateral collector structure on a buried oxide layer | Byung-Ryul Ryum, Soo Min Lee, Tae-Hyeon Han | 2000-10-31 |
| 6124614 | Si/SiGe MOSFET and method for fabricating the same | Byung-Ryul Ryum, Soo Min Lee, Tae-Hyeon Han | 2000-09-26 |
| 5981345 | Si/SiGe MOSFET and method for fabricating the same | Byung-Ryul Ryum, Soo Min Lee, Tae-Hyeon Han | 1999-11-09 |
| 5962879 | Super self-aligned bipolar transistor | Byung-Ryul Ryum, Tae-Hyeon Han, Soo Min Lee, Kwang Eui Pyun | 1999-10-05 |
| 5897359 | Method of manufacturing a silicon/silicon germanium heterojunction bipolar transistor | Soo Min Lee, Tae-Hyeon Han, Byung-Ryul Ryum, Kwang Eui Pyun | 1999-04-27 |
| 5874347 | Method for fabricating field oxide isolation region for semiconductor devices | Byung-Ryul Ryum, Tae-Hyeon Han, Soo Min Lee, Jin-Young Kang | 1999-02-23 |
| 5798277 | Method for fabricating heterojunction bipolar transistor | Byung-Ryul Ryum, Tae-Hyeon Han, Soo Min Lee, Kwang Eui Pyun | 1998-08-25 |
| 5696020 | Method for fabricating semiconductor device isolation region using a trench mask | Byung-Ryul Ryum, Tae-Hyeon Han, Soo Min Lee, Jin-Young Kang | 1997-12-09 |
| 5696007 | Method for manufacturing a super self-aligned bipolar transistor | Byung-Ryul Ryum, Tae-Hyeon Han, Soo Min Lee, Kwang Eui Pyun | 1997-12-09 |
| 5668022 | Silicon-silicon-germanium heterojunction bipolar transistor fabrication method | Soo Min Lee, Tae-Hyeon Han, Byung-Ryul Ryum, Kwang Eui Pyun | 1997-09-16 |
| 5496745 | Method for making bipolar transistor having an enhanced trench isolation | Byung-Ryul Ryum, Tae-Hyeon Han, Soo Min Lee, Seong-hearn Lee, Jin-Young Kang | 1996-03-05 |
| 5484737 | Method for fabricating bipolar transistor | Byung-Ryul Ryum, Tae-Hyeon Han, Soo Min Lee, Seong-hearn Lee, Jin-Young Kang | 1996-01-16 |
| 5459084 | Method for fabricating hetero-junction bipolar transistor having reduced base parasitic resistance | Byung-Ryul Ryum, Tae-Hyeon Han, Soo Min Lee, Oh Joon Kwon | 1995-10-17 |
| 5444014 | Method for fabricating semiconductor device | Byung-Ryul Ryum, Tae-Hyeon Han, Soo Min Lee, Seong-hearn Lee, Jin-Young Kang | 1995-08-22 |