Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4562059 | Method of preparing alumina | Sachio Asaoka, Munekazu Nakamura | 1985-12-31 |
| 4555394 | Process for the preparation of alumina | Sachio Asaoka | 1985-11-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4562059 | Method of preparing alumina | Sachio Asaoka, Munekazu Nakamura | 1985-12-31 |
| 4555394 | Process for the preparation of alumina | Sachio Asaoka | 1985-11-26 |