Ko Sugawara
2Patents
1h-index
5Co-inventors
33Inventor score
Filing activity: Mar 31, 2009 → Mar 30, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8650863B2 | Exhaust gas purification system for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US11149604B2 | Exhaust gas purification catalyst device | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.