Nobuaki Murakami
42Patents
15h-index
85Co-inventors
84Inventor score
Filing activity: Aug 14, 1975 → May 5, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5233530A | Engine controlling system which reduces the engine output upon detection of an abnormal condition | Performing Operations; Transporting | 75 | Expired |
| US5598817A | Fuel feeding system for internal combustion engine | Emerging Cross-Sectional Technologies | 59 | Expired |
| US4686158A | Solid electrolyte fuel cell and method for preparing it | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5429079A | Internal combustion engine for vehicle | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5749334A | Control system and method for in-cylinder injection internal combustion engine | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5794586A | Fuel injection control system for in-cylinder injection internal combustion engine | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4350669A | Process for controlling nitrogen oxides in exhaust gases | Performing Operations; Transporting | 27 | Expired |
| US5806482A | In-cylinder injection internal combustion engine | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5337720A | Engine control method | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4494502A | Idling controller of variable displacement engine | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5816215A | Cylinder head for an in-cylinder injection spark-ignition type internal combustion engine | Emerging Cross-Sectional Technologies | 18 | Expired |
| USD377493S | Piston | General | 17 | Expired |
| US5417190A | Stratified burning internal combustion engine | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4908765A | Air/fuel ratio controller for engine | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5836284A | Intake system construction for internal combustion engine and manufacturing process of intake passage section of internal combustion engine | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5312843A | Method for producing methanol by use of nuclear heat and power generating plant | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4494503A | Variable displacement engine | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4969440A | Knocking suppression apparatus for an internal combustion engine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5245964A | Intake port structure for internal combustion engine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4823753A | Ignition timing controller for engine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5479462A | Method for producing methanol by use of nuclear heat and power generating plant | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5295464A | Stratified burning internal combustion engine | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6129065A | Piston for a cylinder injection engine | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6491885B1 | Exhaust gas processing method | Performing Operations; Transporting | 9 | Expired |
| US5394841A | Control device for valve system in automobile engine | Mechanical Engineering; Lighting; Heating | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.