China
2
2017-09-14
2
2019-08-27
These are the the leading inventors for applications assigned to EVERFINE PHOTO-E-INFORMATION CO., LTD.:
EVERFINE PHOTO-E-INFORMATION CO., LTD. based in , CN has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Apparatus for retro-reflection measurement using a holed mirror and circular aperture for annular band detection
#2 | 2017-08-24 ✅ Patent 10,495,511 granted on 2019-12-03Optical radiation measurement method based on light filter units and apparatus thereof
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