Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797996 | Compound semiconductor device and method for fabricating the same | Masahiro Hikita, Tuyoshi Tanaka | 2004-09-28 |
| 6677625 | Bipolar transistor | Keiichi Murayama, Takeshi Fukui, Tsuyoshi Tanaka | 2004-01-13 |