Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656250 | Three-dimensional network structure comprising spherical silica particles and method of producing same | Muneaki Yamaguchi, Hiromasa Ogawa, Katsutoshi Tanaka | 1997-08-12 |