Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823662 | Exhaust gas purifying system | Shinji Yamamoto, Hiroyuki Kanesaka, Hitoshi Onodera, Katsuo Suga, Hiroshi Morita +2 more | 2004-11-30 |
| 6729125 | Exhaust gas purifying system | Katsuo Suga, Maki Shimada, Hiroshi Akama, Motohisa Kamijo, Hironori Wakamatsu | 2004-05-04 |