Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9358535 | Exhaust gas-purifying catalyst | Satoshi Matsueda, Akimasa Hirai, Kenichi Taki, Keiichi Narita, Masahiro Kusaka | 2016-06-07 |
| 9295945 | Exhaust gas-purifying catalyst | Satoshi Matsueda, Akimasa Hirai, Kenichi Taki, Keiichi Narita, Masahiro Kusaka | 2016-03-29 |
| 8975204 | Exhaust-gas-purifying catalyst | Keiichi Narita, Akimasa Hirai | 2015-03-10 |
| 8569198 | Exhaust gas-purifying catalyst | Sho Hoshino, Akimasa Hirai, Kenichi Taki, Keiichi Narita, Satoshi Matsueda +1 more | 2013-10-29 |
| 8158552 | Exhaust gas purifying catalyst | Akimasa Hirai, Keiichi Narita | 2012-04-17 |
| 7446070 | Exhaust gas-purifying catalyst | Keiichi Narita, Yasunori Sato, Hirohisa Tanaka, Ichiro Takahashi, Nobuhiko Kajita | 2008-11-04 |