Hiromichi Yanagihara
44Patents
15h-index
65Co-inventors
84Inventor score
Filing activity: Aug 11, 1975 → Mar 22, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5142866A | Sequential turbocharger system for an internal combustion engine | Emerging Cross-Sectional Technologies | 135 | Expired |
| US5908480A | Particulate trap for diesel engine | Emerging Cross-Sectional Technologies | 114 | Expired |
| US8165401B2 | Robust interest point detector and descriptor | Physics | 34 | Active |
| US5961931A | Particulate trap | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5467757A | Compression-ignition type engine and combustion method of same | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5768887A | Direct injection type compression ignition engine and method of use | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5979398A | Compression-ignition type engine | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5743243A | Compression-ignition type engine | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5863311A | Particulate trap for diesel engine | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4066012A | Roll type huller | Performing Operations; Transporting | 26 | Expired |
| US9417326B2 | Pulsed light optical rangefinder | Electricity | 23 | Active |
| US6006720A | Internal combustion engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4232638A | Internal combustion engine equipped with an auxiliary combustion chamber | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5125235A | Supercharged lean burn internal combustion engine | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6182632A | Compression-ignition type engine | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5826427A | Compression ignition type engine | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4116191A | Internal combustion engine with an auxiliary chamber | Emerging Cross-Sectional Technologies | 14 | Expired |
| US8836573B2 | Submillimeter radar using phase information | Physics | 13 | Active |
| US4056934A | After-burning preventive and flame-out apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6829891B2 | Exhaust emission control device and method of controlling exhaust emission | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4411242A | Method and apparatus for controlling EGR in internal combustion engine | Emerging Cross-Sectional Technologies | 11 | Expired |
| US9002055B2 | Methods and systems for matching keypoints and tracking regions between frames of video data | Physics | 10 | Active |
| US4178903A | Internal combustion engine with an auxiliary combustion chamber | Emerging Cross-Sectional Technologies | 10 | Expired |
| US8670619B2 | Robust interest point detector and descriptor | Physics | 9 | Active |
| US8912946B2 | Submillimeter radar using signals reflected from multiple angles | Physics | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.