Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698890 | Semiconductor device having bipolar transistor free from leakage current across thin base region | — | 1997-12-16 |
| 5693979 | Semiconductor device | — | 1997-12-02 |
| 5668396 | Bipolar transistor having thin intrinsic base with low base resistance and method for fabricating the same | — | 1997-09-16 |
| 5664453 | Hollow extruder die for extruding a hollow member of a zinc-containing aluminum alloy | Mitsuo Abo, Yasuyuki Tanaka, Hidenori Kumazaki, Hiroyuki Wakabayashi | 1997-09-09 |
| 5599723 | Method for manufacturing bipolar transistor having reduced base-collector parasitic capacitance | — | 1997-02-04 |