EKO Instruments Trading Co., Ltd.
3Patents
0Active
3Granted
25Portfolio score
Filing activity: Nov 12, 1980 → Oct 23, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4343960A | Thermopile and process for manufacturing same | Electricity | 21 | Expired |
| US6991366B2 | Thermal conductivity measurement method and instrument and method of producing a heat insulating material | Physics | 12 | Expired |
| US4719344A | Method of and apparatus for measuring amount of solar radiation received directly | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.