Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342876 | Spherical granules of porous silica or silicate, process for the production thereof, and applications thereof | Kazuhiko Suzuki, Hiroshi Ogawa, Masaichi Kikuchi | 1994-08-30 |
| 5298234 | Alumina-silica resin additive | Tadahisa Nakazawa, Masahide Ogawa, Kazuhiko Suzuki | 1994-03-29 |