Isao Sumiyoshi
4Patents
2h-index
8Co-inventors
33Inventor score
Filing activity: Nov 14, 2008 → May 2, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8308150B2 | Coil spring for vehicle suspension and method for manufacturing the same | Emerging Cross-Sectional Technologies | 7 | Active |
| US8533954B2 | Method for manufacturing a coil spring for vehicle suspension | Emerging Cross-Sectional Technologies | 6 | Active |
| US8297092B2 | Reflection member for shot peening and shot peening method having the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US9404547B2 | Steel for high-strength spring, method for producing same, and high-strength spring | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.