Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7895830 | Exhaust gas purification system for internal combustion engine and exhaust gas purification method therefor | Tatsuhisa Yokoi, Shigehiro Matsuno, Ikuo Hoda | 2011-03-01 |
| 7892309 | Production method of honeycomb filter and honeycomb filter | Shunji Okazaki, Shinya Tokumaru, Hirohisa Suwabe, Toshitaka Ishizawa | 2011-02-22 |