Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9028598 | Diesel engine exhaust purification system | — | 2015-05-12 |
| 8999048 | Exhaust gas purifying apparatus for diesel engine | Toru Nishizawa | 2015-04-07 |
| 8794673 | Hydraulic excavator | Youichirou Kimura, Jun Yonehara | 2014-08-05 |
| 8322131 | Internal combustion engine exhaust gas cleaning apparatus and exhaust gas cleaning method | — | 2012-12-04 |