| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 21 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Engines, pumps and turbines | |
| #4 | Materials and metallurgy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tsujimoto Kenichi | 21 |
| #2 | Inoue Mikio | 8 |
| #3 | Hirota Shinya | 7 |
| #4 | Numata Yoshiki | 1 |
| #5 | Morishima Akinori | 1 |
| #6 | Ueda Takanori | 1 |
| #7 | Nimi Kuniaki | 1 |
| #8 | Oda Tomihisa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2013167515A1 | Exhaust heating apparatus | |
| US2013022505A1 | Exhaust gas purifying system of an internal combustion engine | |
| US2012240559A1 | Exhaust purifying apparatus for internal combustion engine | |
| US2012090302A1 | Exhaust purification system of internal combustion engine | |
| US2010192544A1 | Exhaust gas purification apparatus in an internal combustion engine |