Isamu Hotta
18Patents
9h-index
20Co-inventors
64Inventor score
Filing activity: Oct 12, 2001 → Jul 9, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7073480B2 | Exhaust emission control apparatus and method for internal combustion engine | Emerging Cross-Sectional Technologies | 49 | Expired |
| US7556030B2 | Spark ignition type internal combustion engine | Emerging Cross-Sectional Technologies | 29 | Active |
| US6845610B2 | Exhaust gas purification apparatus and method | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7584739B2 | Internal combustion engine with a precombustion chamber | Emerging Cross-Sectional Technologies | 20 | Active |
| US7769527B2 | Internal combustion engine | Emerging Cross-Sectional Technologies | 20 | Active |
| US7587998B2 | Power plant and fuel supply method therefor | Emerging Cross-Sectional Technologies | 19 | Active |
| US6814046B1 | Direct fuel injection engine | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7263967B2 | Internal combustion engine with auxiliary combustion chamber | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7159543B2 | Controlling an engine with a multi link-type piston crank mechanism | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7204225B2 | Internal combustion engine with auxiliary combustion chamber | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7771675B2 | Fuel supply device for internal combustion and control method therefor | Emerging Cross-Sectional Technologies | 7 | Active |
| US7121087B2 | Exhaust emission control device of internal combustion engine | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6976469B2 | Direct fuel injection type internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7028662B2 | Direct fuel injection engine | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6851408B2 | Direct fuel injection engine | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6837211B2 | Stratified air-fuel mixture forming apparatus for internal combustion engine and method thereof | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7086378B2 | Direct fuel injection internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7814883B2 | Internal combustion engine with auxiliary combustion chamber | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.