FEC CO., LTD.
9Patents
1Active
9Granted
31Portfolio score
Filing activity: Dec 10, 1987 → May 26, 2005 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6600459B2 | Antenna | Electricity | 133 | Expired |
| US4831858A | Driving apparatus for vertical rolling mill | Electricity | 44 | Expired |
| US7354195B2 | Temperature measuring device and temperature measuring method | Physics | 30 | Expired |
| US6597315B2 | Antenna | Electricity | 13 | Expired |
| US6642904B2 | Antenna | Electricity | 12 | Expired |
| US6680713B2 | Antenna and radio wave receiving/transmitting apparatus therewith and method of manufacturing the antenna | Electricity | 8 | Expired |
| US7598864B2 | IC chip for identification, method for reading out data therefrom, and method for writing data thereinto | Physics | 5 | Active |
| US6781557B1 | Antenna formed from a plurality of stacked bases | Electricity | 2 | Expired |
| US7511605B2 | IC chip for identification, data-reading method, and data-writing method | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.