Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649458 | Method for manufacturing semiconductor device with hetero junction bipolar transistor | Toshiaki Kitahara, Hiroshi Inagawa, Yoshinori Imamura | 2003-11-18 |
| 6639257 | Hetero-junction bipolar transistor having a dummy electrode | Masao Yamane, Kazuhiro Mochizuki | 2003-10-28 |
| 6573540 | Semiconductor device and method for fabricating the same | Masao Yamane, Kazuhiro Mochizuki | 2003-06-03 |