Ichiro Ishihara
4Patents
3h-index
3Co-inventors
39Inventor score
Filing activity: Jul 14, 1987 → Jul 31, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5289048A | Analog multiplexer circuit having an active load circuit functioning commonly for a plurality of bipolar differential amplifying input circuits | Electricity | 18 | Expired |
| US5162671A | Schmitt voltage comparator | Electricity | 7 | Expired |
| US4814643A | Comparison circuit | Electricity | 3 | Expired |
| US4855686A | Differential amplifier circuit | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.