Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437890 | Method of the preparation of high density sintered alloys based on iron and copper | Tadao Hayasaka, Masahiro Suzuki, Shigeru Ozawa | 1984-03-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437890 | Method of the preparation of high density sintered alloys based on iron and copper | Tadao Hayasaka, Masahiro Suzuki, Shigeru Ozawa | 1984-03-20 |