Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6342293 | Alumina sol, alumina hydrate powder and processes for their production | Katsumasa Nakahara, Kenji Yamada, Hachiro Hirano | 2002-01-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6342293 | Alumina sol, alumina hydrate powder and processes for their production | Katsumasa Nakahara, Kenji Yamada, Hachiro Hirano | 2002-01-29 |