Keiji Aoki
49Patents
17h-index
54Co-inventors
84Inventor score
Filing activity: Oct 20, 1975 → Jul 25, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5781119A | Vehicle guiding system | Physics | 114 | Expired |
| US6081756A | Vehicle running management system | Physics | 64 | Expired |
| US5987374A | Vehicle traveling guidance system | Physics | 49 | Expired |
| US5815825A | Vehicle guidance system | Physics | 44 | Expired |
| US4785782A | Control apparatus of a throttle valve in an internal combustion engine | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US4155332A | Electronic fuel injection system in an internal combustion engine | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US6237504A | Guideway transit system and automated vehicle used in this system | Performing Operations; Transporting | 26 | Expired |
| US5235951A | Throttle control apparatus | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5942993A | Lane change detecting system for mobile bodies and mobile body detecting device employed in such system | Physics | 25 | Expired |
| US4184458A | Method of controlling fuel injection in engine and unit therefor | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4416237A | Method and an apparatus for controlling the air-fuel ratio in an internal combustion engine | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4066413A | Gas component detection apparatus | Physics | 23 | Expired |
| US4077364A | Electronic control fuel supply system | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4322383A | Gas component detection apparatus | Physics | 20 | Expired |
| US4481928A | L-Jetronic fuel injected engine control device and method smoothing air flow meter overshoot | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4589279A | Apparatus and method for detecting intake air mass flow rate | Physics | 18 | Expired |
| US4445481A | Method for controlling the air-fuel ratio of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4244918A | Gas component detection apparatus | Physics | 17 | Expired |
| US4412520A | Fuel injection control apparatus | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US3998189A | Feedback air-fuel ratio regulator | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4665740A | Combustion process sensor | Physics | 15 | Expired |
| US4178893A | Ignition control apparatus for an internal combustion engine | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4905654A | Device for controlling an internal combustion engine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4749274A | Apparatus for detecting fuel mixture ratio | Physics | 14 | Expired |
| US4099922A | Gas component detection apparatus | Physics | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.