Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7237379 | Regeneration of diesel particulate filter | Masahiko Nakano, Junichi Kawashima, Naoya Tsutsumoto, Makoto Ootake, Shouichirou Ueno +1 more | 2007-07-03 |
| 7169364 | Particulate filter regenerating device | Makoto Ohtake, Jun Kawashima, Naoya Tsutsumoto, Takao Inoue, Toshimasa Koga | 2007-01-30 |
| 6983591 | Particulate filter regenerating device | Jun Kawashima, Naoya Tsutsumoto, Makoto Ohtake, Takao Inoue, Toshimasa Koga | 2006-01-10 |
| 6978602 | Engine exhaust cleaning device | Makoto Ohtake, Junichi Kawashima, Naoya Tsutsumoto, Takao Inoue, Toshimasa Koga | 2005-12-27 |
| 6931842 | Regeneration of diesel particulate filter | Makoto Ohtake, Jun Kawashima, Naoya Tsutsumoto, Munehiro Tabata | 2005-08-23 |