Kazuo Hagimura
3Patents
3h-index
6Co-inventors
43Inventor score
Filing activity: Nov 20, 1979 → Jun 25, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4244000A | PNPN Semiconductor switches | Electricity | 76 | Expired |
| US4489340A | PNPN Light sensitive semiconductor switch with phototransistor connected across inner base regions | Electricity | 9 | Expired |
| US5304819A | Light-activated semiconductor device having light-emitting elements, light-receiving elements and output elements | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.