Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8973350 | Control method of exhaust gas purification system and exhaust gas purification system | Takashi Haseyama, Kenji Hagio, Tatsuo Mashiko, Yoshinobu Watanabe | 2015-03-10 |
| 8974563 | Exhaust gas purification system | Takashi Haseyama, Hiroyuki Oohira | 2015-03-10 |
| 8961668 | Exhaust gas purification system | Takashi Haseyama, Hiroyuki Oohira | 2015-02-24 |
| 8646254 | Exhaust emission purification method and exhaust emission purification system | Takao Onodera, Akira Hirata, Takashi Haseyama, Hitoshi Satou, Tatsuo Mashiko +2 more | 2014-02-11 |
| 8453432 | Control method of exhaust emission purification system and exhaust emission purification system | Takashi Haseyama, Akihiro Inamura, Hitoshi Satou, Tatsuo Mashiko, Akira Hirata +3 more | 2013-06-04 |
| 8307629 | Control method of exhaust emission purification system and exhaust emission purification system | Takashi Haseyama, Takao Onodera, Tatsuo Mashiko | 2012-11-13 |
| 7097795 | Recycled lumber producing method | — | 2006-08-29 |