Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8683787 | Exhaust gas purifying catalyst and method for manufacturing the same | Takamasa Nakagawa, Masanori Nakamura, Misaki Fujimoto | 2014-04-01 |
| 6230489 | Emission control device for internal combustion engine | Mikio Tsuzuki, Kimiyoshi Nishizawa, Ritsuo Sato | 2001-05-15 |
| 5427989 | Catalysts for the purification of exhaust gas | Hiroyuki Kanesaka | 1995-06-27 |