Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670236 | Semiconductor device having capacitance element and method of producing the same | Nobuyuki Sekikawa, Koichi Hirata, Wataru Andoh | 2003-12-30 |
| 6307251 | Semiconductor device having capacitance element and method of producing the same | Nobuyuki Sekikawa, Koichi Hirata, Wataru Andoh | 2001-10-23 |