Hiroshi Kumakura
3Patents
1h-index
13Co-inventors
41Inventor score
Filing activity: Nov 18, 1986 → Aug 7, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4677252A | Circuit board | Electricity | 24 | Expired |
| US5726767A | Automatic facsimile signal analyzing apparatus for a telephone exchange system | Electricity | 1 | Expired |
| US6301343A | Trunk line exchange system | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.