Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11118495 | Exhaust gas-purifying system and automotive vehicle | Makoto Tsuji, Hiroto Imai, Shintaro Kobayashi | 2021-09-14 |
| 9080480 | Exhaust purification system for internal combustion engine | Hiroshi Otsuki, Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto +3 more | 2015-07-14 |
| 9057298 | Exhaust purification system for internal combustion engine | Hiroshi Otsuki, Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto +3 more | 2015-06-16 |
| 9057299 | Exhaust purification system for internal combustion engine | Hiroshi Otsuki, Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto +3 more | 2015-06-16 |
| 9011569 | Particulate filter | Hiroshi Otsuki, Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto +3 more | 2015-04-21 |
| 8778053 | Method of removing ash from particulate filter | Hiroshi Otsuki, Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto +3 more | 2014-07-15 |