Sampei Usui
2Patents
2h-index
4Co-inventors
30Inventor score
Filing activity: Jan 6, 1981 → Apr 12, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4520634A | Multi-stage absorption refrigeration system | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4328679A | Capability control apparatus for cooling system having direct expansion type evaporator | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.