Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348590 | Surface treating agent for copper or copper alloys | Seizi Shigemura, Hitoshi Oka | 1994-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348590 | Surface treating agent for copper or copper alloys | Seizi Shigemura, Hitoshi Oka | 1994-09-20 |