Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5453260 | Amorphous silica or silica-alumina spherical particles and process for preparation thereof | Masahide Ogawa, Kiyoshi Abe, Kazuhiko Suzuki, Takashi Tokita, Toshio Ito | 1995-09-26 |
| 5298234 | Alumina-silica resin additive | Masahide Ogawa, Kiyoshi Abe, Kazuhiko Suzuki | 1994-03-29 |
| 5236680 | Preparation of amorphous silica-alumina particles by acid-treating spherical P-type zeolite particles crystallized from a sodium aluminosilicate gel | Masahide Ogawa, Kiyoshi Abe, Kazuhiko Suzuki, Takashi Tokita, Toshio Ito | 1993-08-17 |
| 5236683 | Amorphous silica spherical particles | Masahide Ogawa, Kiyoshi Abe, Kazuhiko Suzuki, Takashi Tokita, Toshio Ito | 1993-08-17 |
| 5143708 | Tetracosahedral siliceous particles and process for preparation thereof | Masahide Ogawa, Kiyoshi Abe, Kazuhiki Suzuki, Jun Suzuki | 1992-09-01 |
| 5133899 | Stabilizer composition for chlorine-containing polymers and process for preparation thereof | Masahide Ogawa, Shoji Shoji, Seizi Wakaki, Choichi Abe | 1992-07-28 |
| 4626290 | Inorganic filler and process for production thereof | Masahide Ogawa, Kiyoshi Abe, Kazuhiko Suzuki | 1986-12-02 |
| 4622166 | Process for preparation of zeolite slurry excellent in static stability and dynamic stability | Koichi Usui, Masahide Ogawa, Kiyoshi Abe, Takashi Tokita | 1986-11-11 |