Mamoru Sumida
39Patents
12h-index
21Co-inventors
81Inventor score
Filing activity: Dec 28, 1987 → Nov 18, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6394367B2 | Fuel injection valve | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5630400A | Fuel injection valve for an internal combustion engine | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5871157A | Fuel injection valve | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US5238222A | Flow control valve | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4880207A | Intake throttle valve return device of engine | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5954343A | Seal ring | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5979801A | Fuel injection valve with swirler for imparting swirling motion to fuel | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5111775A | Cooling water temperature controlling apparatus | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5139227A | Proportional flow control valve | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US6848636B2 | Fuel injection valve | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6439482B2 | Fuel injection system | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6332455A | Device for controlling fuel injection | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6334433B1 | Cylinder injecting fuel injection valve | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4866981A | Apparatus for detecting throttle valve opening of engine | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5137255A | Control valve device | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4961342A | Apparatus for detecting throttle valve opening of engine | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6024302A | Cylinder injection type fuel injection valve | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5887798A | Cylinder injection type fuel injection valve | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6176441A | In-cylinder fuel injection valve | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6260404A | Method for manufacturing a cylinder interior fuel injection valve and apparatus for adjusting a fuel injection amount used therefor | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6092741A | Fuel injection valve | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6805103B1 | Cylinder-injection fuel injection valve | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5954274A | Cylinder injection type fuel injection valve | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5967423A | Fuel injection valve | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6003792A | Cylinder injection type fuel injection valve | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.