Isao Kai
5Patents
0Active
5Granted
24Portfolio score
Filing activity: May 14, 1987 → Dec 19, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5218966A | Electronic blood pressure meter | Human Necessities | 169 | Expired |
| US4870973A | Electronic blood pressure meter having means for detecting artifacts | Human Necessities | 17 | Expired |
| US4872461A | Electronic blood pressure meter having improved cuff repressurization means | Human Necessities | 12 | Expired |
| US4860760A | Electronic blood pressure meter incorporating compensation function for systolic and diastolic blood pressure determinations | Human Necessities | 12 | Expired |
| US4844084A | Electronic blood pressure meter | Human Necessities | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.