Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4668471 | Copper alloy lead material for leads of a semiconductor device | Rensei Futatsuka, Seiji Kumagai | 1987-05-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4668471 | Copper alloy lead material for leads of a semiconductor device | Rensei Futatsuka, Seiji Kumagai | 1987-05-26 |