Masaaki Uchida
71Patents
18h-index
81Co-inventors
87Inventor score
Filing activity: Dec 30, 1977 → Apr 19, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4913122A | Air-fuel ratio control system | Mechanical Engineering; Lighting; Heating | 72 | Expired |
| US6275759A | Automatic engine stop and restart system for vehicle | Emerging Cross-Sectional Technologies | 71 | Expired |
| US6090007A | Hybrid vehicle drive force control device and control method | Emerging Cross-Sectional Technologies | 54 | Expired |
| US6328671A | Drive force control device | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6181020A | Integrated driving torque control system for automotive vehicles with continuously variable automatic transmission | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6188943A | Integrated control system for electronically-controlled engine and automatic transmission | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US4192402A | Muffler for internal combustion engines | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US4464244A | Oxygen sensing device having solid electrolyte cell and means for supplying controlled current thereto | Physics | 29 | Expired |
| US4306957A | Device for producing control signal for feedback control of air/fuel ratio | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US6190283A | Driving force control system for vehicle | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6308129A | Method and apparatus for automatically stopping engine idling of automotive vehicle during stop of vehicle | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4440621A | System for detection of air/fuel ratio in IC engine by using oxygen sensor operated with supply of current | Physics | 20 | Expired |
| US6817432B2 | Hybrid vehicle | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5119628A | Catalyst degradation diagnosing apparatus for air fuel ratio control system | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6073705A | Power-driven striking tool having a mechanism for setting the circumferential angle of tool bits attached to the striking tool | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5441781A | Multi-layer plastic fuel tank | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7500932B2 | Shift control apparatus and method for automatic transmission | Mechanical Engineering; Lighting; Heating | 19 | Active |
| US5341641A | Dual sensor type air fuel ratio control system for internal combustion engine | Emerging Cross-Sectional Technologies | 18 | Expired |
| USD409468S | Portable electric hammer | General | 17 | Expired |
| US6291902A | Engine start control system | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5361582A | Dual sensor type air fuel ratio control system for internal combustion engine | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4471648A | Temperature control system | Physics | 16 | Expired |
| US4366039A | Oxygen sensing device having means for control of current to produce reference oxygen partial pressure | Physics | 16 | Expired |
| US6251046A | Automatic engine-stop control apparatus for internal combustion engine | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5341788A | Air-fuel ratio controller for multiple cylinder bank engine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.