Shiro Nakajima
21Patents
8h-index
32Co-inventors
75Inventor score
Filing activity: Nov 22, 1978 → Sep 15, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5908047A | Three-way valve and exhaust gas purifier using the same | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6520484B1 | Hoisting apparatus | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5681428A | Method of manufacturing an inorganic board | Textiles; Paper | 20 | Expired |
| US7568520B2 | Oil cooler | Emerging Cross-Sectional Technologies | 11 | Active |
| US6029444A | Three-way valve and exhaust gas purifier using the same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5782941A | Particulate trap for diesel engine | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5343733A | Abrasion testing method | Physics | 9 | Expired |
| US6125974A | Vibration damper for vehicle brakes | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6988541B2 | Oil-cooler-equipped radiator | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7178818B2 | Vibration damping device for use in automotive suspension system and suspension system using the same | Performing Operations; Transporting | 8 | Expired |
| US5687818A | Vibration damper for use in disk brake | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5860494A | Vibration damper for use in disk brake | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US8151753B2 | Warm-up system and warm-up method for in-vehicle power train | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US4574923A | Floating disk brake | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6102976A | Exhaust gas purifier | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5938802A | Exhaust gas purifier | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4548301A | Negative acting disc brake | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US7426955B2 | Core structure of heat exchanger | Emerging Cross-Sectional Technologies | 3 | Active |
| US4242163A | Process for manufacturing magnesium carbonate board | Textiles; Paper | 3 | Expired |
| US7246807B2 | Vibration damping device for use in automotive suspension system and suspension system using the same | Performing Operations; Transporting | 2 | Active |
| US8069911B2 | Radiator with built-in oil cooler | Mechanical Engineering; Lighting; Heating | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.