Assignee
EVERFINE PHOTO E INFORMATION CO LTD
CN·2 granted patents·0 citations·filing 2015–2015
Top patents by PatentIndex Score
2 records- 0133US10393655B2Apparatus for retro-reflection measurement using a holed mirror and circular aperture for annular band detectionEVERFINE PHOTO E INFORMATION CO LTD·Filed 2015·Granted Aug 27, 2019·0 cites·15 claims
- 0232US10495511B2Optical radiation measurement method based on light filter units and apparatus thereofEVERFINE PHOTO E INFORMATION CO LTD·Filed 2015·Granted Dec 3, 2019·0 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when EVERFINE PHOTO E INFORMATION CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →