Yasuhiro Oi
18Patents
8h-index
32Co-inventors
68Inventor score
Filing activity: Jul 28, 1997 → Apr 5, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6082103A | Exhaust manifold, for internal combustion engine, for improving durability of oxygen sensor at merging portion of exhaust manifold | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US7650221B2 | Ejector system for vehicle | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US6915628B2 | Catalyst degradation determining method | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7222483B2 | Device for supplying secondary air | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6742327B2 | Method and apparatus for controlling internal combustion engine capable of intermittent operations | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7140177B2 | Secondary air supply system and abnormality diagnosis method of secondary air supply system | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7117665B2 | Catalyst degradation determining method | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7152395B2 | Method and apparatus for controlling internal combustion engine | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7032374B2 | Exhaust purification apparatus for internal combustion engine | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6988359B2 | Exhaust gas control apparatus and exhaust gas purification method for internal combustion engine | Emerging Cross-Sectional Technologies | 6 | Expired |
| US10347874B2 | Battery pack and method for making same | Emerging Cross-Sectional Technologies | 4 | Active |
| US7543444B2 | Air supply apparatus | Emerging Cross-Sectional Technologies | 3 | Active |
| US5797382A | Air assist device of an engine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8234853B2 | Catalyst degradation determining method | Emerging Cross-Sectional Technologies | 1 | Active |
| US6997160B2 | Control device for an internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8515646B2 | Control apparatus for internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9353695B2 | Control device for internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7890242B2 | Internal combustion engine and method of controlling the same | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.