Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7462576 | Automobile exhaust gas purifying combustion catalysts | Masao Ishida, Tadahisa Masatani, Miyako Koga, Kenichi Tsuge | 2008-12-09 |
| 4853351 | Silica shaped bodies and process for preparing same | Akira Takahashi, Katsuhiro Morimoto, Hiromasa Samma, Kazuhiko Kubo | 1989-08-01 |
| 4647499 | Shaped body of calcium silicate and process for producing same | Akira Takahashi, Katsuhiro Morimoto, Hiromasa Samma, Kazuhiko Kubo | 1987-03-03 |