Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828602 | Bipolar transistor and method manufacture thereof | Akira Asai, Takeshi Takagi | 2004-12-07 |
| 6800532 | Method of manufacturing a semiconductor device comprising a bipolar transistor and a variable capacitor | Takeshi Takagi, Akira Asai, Taizo Fujii, Mitsuo Sugiura, Yoshihisa Minami | 2004-10-05 |
| 6759697 | Heterojunction bipolar transistor | Kenji Toyoda, Koichiro Yuki, Takeshi Takagi, Minoru Kubo | 2004-07-06 |
| 6674149 | Bipolar transistor device having phosphorous | Akira Asai | 2004-01-06 |