Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734497 | Insulated gate bipolar transistor, semiconductor device, method of manufacturing insulated-gate bipolar transistor, and method of manufacturing semiconductor device | Hideki Takahashi, Yoshifumi Tomomatsu | 2004-05-11 |
| 6680835 | Semiconductor device | — | 2004-01-20 |