Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978604 | Soot burn-off control strategy for a catalyzed diesel particulate filter | Xinlei Wang, Xinqun Gui, Shouxian Ren | 2005-12-27 |
| 6849991 | Quartz resonating piece, quartz resonator, and quartz device | Masako Tanaka, Eiji Karaki, Yukihiro Unno | 2005-02-01 |