Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815766 | Semiconductor device with alternating conductivity type layer and method of manufacturing the same | Tatsuhiko Fujihira | 2004-11-09 |
| 6787420 | Semiconductor device with alternating conductivity type layer and method of manufacturing the same | Tatsuhiko Fujihira, Yasuhiko Ohnishi, Katsunori Ueno, Susumu Iwamoto | 2004-09-07 |
| 6677626 | Semiconductor device with alternating conductivity type layer and method of manufacturing the same | Youichi Shindou, Tatsuhiko Fujihira, Manabu Takei | 2004-01-13 |
| 6673679 | Semiconductor device with alternating conductivity type layer and method of manufacturing the same | Tatsuhiko Fujihira | 2004-01-06 |