Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5744103 | Hydrocarbon adsorbent for exhaust gas cleaning, exhaust gas cleaning catalyst and exhaust gas cleaning device | Hiroshi Yamada, Toshitsugu Ueoka, Akihide Takami | 1998-04-28 |
| 5494878 | Catalyst for exhaust gas purification | Hiroshi Murakami, Yasuto Watanabe, Masayuki Koishi | 1996-02-27 |