Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638485 | Process for treating exhaust gas and exhaust gas treating equipment | Kozo Iida, Toru Takashina | 2003-10-28 |
| 6534024 | Exhaust gas treatment process | Toru Takashina, Eiji Ochi | 2003-03-18 |