Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660775 | Method of treating waste magnetic tapes and method of manufacturing building material boards using the treated material | Kanesuke Kasahara, Shunsai Nagai | 1997-08-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660775 | Method of treating waste magnetic tapes and method of manufacturing building material boards using the treated material | Kanesuke Kasahara, Shunsai Nagai | 1997-08-26 |