Shigeaki Kakizaki
20Patents
9h-index
20Co-inventors
71Inventor score
Filing activity: Sep 23, 1991 → Jul 24, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6070567A | Individual cylinder combustion state detection from engine crankshaft acceleration | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6494038B2 | Engine air-fuel ratio controller | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US6314724A | Air-fuel ratio controller and method of controlling air-fuel ratio | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US6161530A | Control system for internal combustion engine | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6637194B2 | Exhaust emission control for engine | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6079397A | Apparatus and method for estimating concentration of vaporized fuel purged into intake air passage of internal combustion engine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6363313B1 | Fuel property detecting system | Physics | 11 | Expired |
| US6116221A | Gasoline vapor purging system of internal combustion engine | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6718754B2 | Oxygen storage control of engine exhaust gas purification catalyst | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6622479B2 | Engine exhaust purification device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6453887B1 | Fuel vapor emission control device for an engine | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6619032B2 | Engine exhaust purification device | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6250282A | Idle rotation speed learning control method and apparatus of an electronically controlled throttle type internal combustion engine | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5771690A | Engine exhaust purifier | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5191865A | Engine idle control system for vehicle | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6499290B1 | Engine exhaust purification device | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6622477B2 | Air/fuel ratio controller for internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6651631B2 | Fuel vapor emission control device for an engine | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6490859B2 | Engine exhaust purification device | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6564544B2 | Engine exhaust purification arrangement | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.