Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6563169 | Semiconductor device with high withstand voltage and a drain layer having a highly conductive region connectable to a diffused source layer by an inverted layer | Nobuki Miyakoshi, Hideyuki Nakamura | 2003-05-13 |
| 6524668 | Composite crucible, and preparation method and regeneration method thereof | Yoshiyuki Tsuji, Ken-ichi Hiroshima | 2003-02-25 |