Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756022 | Apparatus for removing sulfur-containing component in fuel | Takenobu Sakai, Hiroshi Suzuki | 2004-06-29 |
| 6684627 | Method of purifying exhaust gas from internal combustion engine | Shinji Tsuji, Masahiko Takeuchi, Kenji Kato, Takaaki Ito, Yoshitsugu Ogura +2 more | 2004-02-03 |