Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609839 | No.sub.x removal catalyst and method of purifying exhaust gas by using the same | Takashi Itoh, Yukio Kosaki, Takashi Matsuda, Yasuharu Kanno, Masao Wakabayashi +1 more | 1997-03-11 |