Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6683332 | Heterojunction bipolar transistor and manufacturing method therefor including electrode alloyed reaction layers | Toshiya Tsukao | 2004-01-27 |
| 6410945 | Heterojunction bipolar transistor and its manufacturing process | Masahiro Shiota, Hideyuki Tsuji, Toshiaki Kinosada | 2002-06-25 |
| 5882995 | Method of forming ohmic electrodes on semiconductor wafer | Hideyuki Tsuji | 1999-03-16 |
| 5721437 | Heterojunction-type bipolar transistor with ballast resistance layer | John Twynam, Motoji Yagura, Toshiaki Kinosada | 1998-02-24 |