NIPPON CERAMIC CO., LTD.
5Patents
1Active
5Granted
29Portfolio score
Filing activity: Jun 25, 1985 → Nov 24, 2020
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4641054A | Piezoelectric electro-acoustic transducer | Electricity | 36 | Expired |
| US4800278A | Pyroelectric infrared sensor | Emerging Cross-Sectional Technologies | 32 | Expired |
| USD616126S1 | Human body detection sensor light operated on dry batteries | General | 2 | Expired |
| US5641964A | Infrared human body detector | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11796387B2 | Pyroelectric-type infrared detector and integrated circuit | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.