Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7971428 | Exhaust gas purification device for internal combustion engine | Hiroyuki Kimura, Mitsutaka Kojima, Kojiro Okada, Michihiro Hata, Kazuhito Kawashima +3 more | 2011-07-05 |
| 7730721 | Exhaust gas purification device of internal combustion engine | Hiroyuki Kimura, Mitsutaka Kojima, Kojiro Okada, Michihiro Hata, Kazuhito Kawashima +3 more | 2010-06-08 |
| 7628010 | Exhaust purification system | Kazuo Kurata | 2009-12-08 |
| 6782696 | Control device and method for a diesel engine and diesel engine | Michihiro Hata, Toshinori Morita, Noriyuki Koga, Yuji Yanagawa | 2004-08-31 |