Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5780102 | Process for producing alumina with high specific surface area | Fujio Mizukami, Kazuyuki Maeda, Shuichi Niwa | 1998-07-14 |
| 5077032 | Method for controlling specific surface area of alumina | Fujio Mizukami, Kazuyuki Maeda, Shuichi Niwa, Makoto Toba | 1991-12-31 |
| 4587231 | Method of producing monolithic catalyst for purification of exhaust gas | Keiichi Sawamura, Yoshiyuki Eto, Koji Masuda | 1986-05-06 |