Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426316 | Exhaust emission control catalyst for diesel engines | Toshiaki Tanaka, Yoshio Fujimoto, Shinichi Takeshima, Kazuhiro Ito | 2002-07-30 |
| 6381952 | Exhaust temperature raising apparatus and method for internal combustion engine | Takamitsu Asanuma, Shinya Hirota, Shunsuke Toshioka | 2002-05-07 |