Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807806 | Diagnostic equipment for an exhaust gas cleaning apparatus | Yutaka Takaku | 2004-10-26 |
| 6330795 | Diagnostic equipment for an exhaust gas cleaning apparatus | Yutaka Takaku | 2001-12-18 |
| 5743085 | Diagnostic equipment for an exhaust gas cleaning apparatus | Yutaka Takaku | 1998-04-28 |