Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677254 | Catalyst for purifying an exhaust gas | Kozo Iida, Norihisa Kobayashi, Satoru Serizawa, Atsushi Morii | 1997-10-14 |
| 5338715 | Catalyst for exhaust gas purification | Kozo Iida, Serizawa Satoru, Norihisa Kobayashi | 1994-08-16 |
| 4952381 | Method for denitrizing nitrogen oxides contained in waste gas | Horiaki Rikimaru, Tadao Nakatsuji, Toshikatsu Umaba, Kazuhiko Nagano, Kazuya Mishina +11 more | 1990-08-28 |
| 4206056 | Continuous filtration/separation apparatus | Hyosuke Nagase, Tetsuya Satoh, Kazuo Kobayashi | 1980-06-03 |