FK Optical Laboratory Co.
3Patents
0Active
3Granted
23Portfolio score
Filing activity: Mar 27, 2000 → Mar 29, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6504613B1 | Optical interferometer with a casing and an optical part that is movable with respect to the casing | Physics | 2 | Expired |
| US6693714B1 | Position sensor for movable body and optical interferometer | Physics | 1 | Expired |
| US6570658B1 | Optical part driving device incorporated into a detachable block and optical interferometer including same | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.