Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6883305 | Method for cleaning exhaust gas from an internal combustion engine | Hidehiro Iizuka, Kojiro Okude, Masato Kaneeda, Kousei Nagayama, Hisao Yamashita +1 more | 2005-04-26 |
| 6841511 | Internal combustion engine exhaust gas purification apparatus, exhaust gas purification process and exhaust gas purification catalyst | Masato Kaneeda, Kojiro Okude, Hidehiro Iizuka, Toshio Ogawa, Kousei Nagayama +4 more | 2005-01-11 |