Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829891 | Exhaust emission control device and method of controlling exhaust emission | Hiromichi Yanagihara, Toshihisa Sugiyama, Yoshimitsu Henda, Kazuhiko Shiratani, Rentaro Kuroki | 2004-12-14 |
| 6776815 | Particulate filter | Hiromichi Yanagihara, Kazuhiko Shiratani, Youichi Nagai, Satoru Itsuaki, Kohei Shimoda +1 more | 2004-08-17 |