Keizo Hama
2Patents
2h-index
3Co-inventors
33Inventor score
Filing activity: Apr 10, 1987 → Oct 6, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5357473A | Semiconductor storage system including defective bit replacement | Physics | 111 | Expired |
| US4780773A | Motor control circuit with current limiter and bypass switch | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.