Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6781200 | Insulated gate semiconductor device for realizing low gate capacity and a low short-circuit current | Youichi Ishimura | 2004-08-24 |
| 6734497 | Insulated gate bipolar transistor, semiconductor device, method of manufacturing insulated-gate bipolar transistor, and method of manufacturing semiconductor device | Hideki Takahashi, Mitsuharu Tabata | 2004-05-11 |
| 6709914 | Manufacturing process of pn junction diode device and pn junction diode device | Shinichi Ishizawa | 2004-03-23 |
| 6683348 | Insulated gate bipolar semiconductor device transistor with a ladder shaped emitter | Hideki Haruguchi | 2004-01-27 |
| 6680513 | Semiconductor device | — | 2004-01-20 |