Koji Morikawa
107Patents
20h-index
42Co-inventors
90Inventor score
Filing activity: May 13, 1983 → Oct 6, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6158411A | Control system for two cycle direct injection engine and the method thereof | Emerging Cross-Sectional Technologies | 167 | Expired |
| US5642705A | Control system and method for direct fuel injection engine | Emerging Cross-Sectional Technologies | 69 | Expired |
| US5078107A | Fuel injection control system for an internal combustion engine | Emerging Cross-Sectional Technologies | 63 | Expired |
| US5085193A | Fuel injection control system for a two-cycle engine | Emerging Cross-Sectional Technologies | 63 | Expired |
| US6138638A | System for diagnosing and controlling high-pressure fuel system for in-cylinder fuel injection engine | Mechanical Engineering; Lighting; Heating | 62 | Expired |
| US5222481A | Fuel injection control system for an internal combustion engine | Emerging Cross-Sectional Technologies | 61 | Expired |
| US7684977B2 | User adaptive system and control method thereof | Physics | 59 | Active |
| US4541387A | System for controlling fuel injection for multiple-displacement engines | Mechanical Engineering; Lighting; Heating | 56 | Expired |
| US5241933A | Abnormality warning system for a direct fuel injection engine | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5050551A | System for controlling ignition timing and fuel injection timing of a two-cycle engine | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4995354A | Two-cycle engine | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5327872A | Fuel pressure control method for high pressure direct fuel injection engine | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US4860711A | Engine with variable compression ratio | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5927244A | Combustion chamber structure having piston cavity | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5020504A | Fuel injection control system for a two-cycle engine | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7716697B2 | Information processing system, information processing apparatus, and method | Human Necessities | 27 | Active |
| US5086737A | Fuel injection timing control system for an internal combustion engine with a direct fuel injection system | Emerging Cross-Sectional Technologies | 27 | Expired |
| US8466875B2 | Electroencephalogram interface system, electroencephalogram interface apparatus, method, and computer program | Physics | 24 | Active |
| US5813385A | Combustion chamber structure having piston cavity | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5636614A | Electronic control system for an engine and the method thereof | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4704996A | System for controlling the intake air of an automotive engine | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7865841B2 | Input/output device, input/output method, and program | Physics | 19 | Active |
| US4984540A | Fuel injection control system for a two-cycle engine | Emerging Cross-Sectional Technologies | 18 | Expired |
| US9149214B2 | Annoyance judgment system, apparatus, method, and program | Electricity | 18 | Active |
| US4957089A | Fuel injection control system for a two-cycle engine | Emerging Cross-Sectional Technologies | 17 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.