Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5059576 | Catalyst for removing nitrogen oxides and a process for producing the same | Yasuyoshi Kato, Fumito Nakajima, Ikuhisa Hamada, Kunihiko Konishi, Toshiaki Matsuda +3 more | 1991-10-22 |
| 4952548 | Catalyst for removing nitrogen oxides | Yasuyoshi Kato, Kunihiko Konishi, Hiroshi Akama, Toshiaki Matsuda, Nobue Teshima +2 more | 1990-08-28 |