Ishizuka Electronics, Corp.
9Patents
1Active
9Granted
32Portfolio score
Filing activity: Apr 25, 1995 → Mar 15, 2006 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5962854A | Infrared sensor and infrared detector | Electricity | 79 | Expired |
| US6348650B1 | Thermopile infrared sensor and process for producing the same | Electricity | 37 | Expired |
| US5798684A | Thin-film temperature sensor | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6367972B1 | Non-contact temperature sensor with temperature compensating heat sensitive elements on plastic film | Physics | 19 | Expired |
| US5693942A | Infrared detector | Electricity | 13 | Expired |
| US6092925A | Frost formation detector | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7441950B2 | Probe for electronic clinical thermometer | Physics | 7 | Active |
| US5522232A | Frost detecting device | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6038872A | Frost detecting device | Mechanical Engineering; Lighting; Heating | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.