IFOS, Inc.
10Patents
0Active
10Granted
30Portfolio score
Filing activity: Mar 7, 1997 → Mar 18, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5940556A | Fiber-optic mode-routed add-drop filter | Physics | 39 | Expired |
| US7085452B1 | Optical devices having WGM cavity coupled to side-polished port | Physics | 22 | Expired |
| US7127132B1 | Cascade fiber-optic grating-based sensor apparatus and method | Physics | 17 | Expired |
| US7060964B1 | Reflection-mode fiber sensing devices | Physics | 10 | Expired |
| US6597822B1 | Multiplexable fiber-optic strain sensor system with temperature compensation capability | Physics | 10 | Expired |
| US6751367B2 | Multiplexable fiber-optic strain sensor system with temperature compensation capability | Physics | 9 | Expired |
| US7068868B1 | Sensing devices based on evanescent optical coupling | Physics | 6 | Expired |
| US6895132B2 | Multiplexable fiber-optic strain sensor system with temperature compensation capability | Physics | 5 | Expired |
| US6788835B2 | Multiplexable fiber-optic strain sensor system with temperature compensation capability | Physics | 3 | Expired |
| US7087887B1 | Optical multiphase flow sensor | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.