Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623820 | Silica-alumina composite sol, processes for producing the same, and recording medium | Katsumasa Nakahara, Hachiro Hirano, Toshiya Matsubara, Shinichi Suzuki, Hisao Inokuma +1 more | 2003-09-23 |