Hiroshi Funabashi
8Patents
5h-index
13Co-inventors
60Inventor score
Filing activity: Feb 20, 1985 → Feb 15, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4880078A | Exhaust muffler | Mechanical Engineering; Lighting; Heating | 159 | Expired |
| US4589516A | Muffler for internal combustion engines | Mechanical Engineering; Lighting; Heating | 50 | Expired |
| US6827754B2 | Ceramic honeycomb filter | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4993513A | Muffler | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US7107763B2 | Ceramic honeycomb filter and exhaust gas-cleaning method | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7740809B2 | Exhaust gas-cleaning apparatus | Emerging Cross-Sectional Technologies | 5 | Active |
| US7051521B2 | Exhaust aftertreatment system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7549286B2 | Exhaust emission control device | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.