Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5952717 | Semiconductor device and method for producing the same | Keiko Sogo | 1999-09-14 |
| 5895234 | Semiconductor device and method for producing the same | Keiko Sogo | 1999-04-20 |