Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6172422 | Semiconductor device and a manufacturing method thereof | Ippei Fujiyama, Kenji Matsuda | 2001-01-09 |
| 5926694 | Semiconductor device and a manufacturing method thereof | Ippei Fujiyama, Kenji Matsuda | 1999-07-20 |