Assignee
HANGZHOU UPHOTON OPTOELECTRONICS TECH CO LTD
CN·4 granted patents·1 pending application·4 citations·filing 2020–2022
Top patents by PatentIndex Score
5 records- 0181US11740483B2Method of diffractive optical assembly, and diffractive optical assemblyHANGZHOU UPHOTON OPTOELECTRONICS TECH CO LTD·Filed 2020·Granted Aug 29, 2023·3 cites·15 claims
- 0270US11774238B2Light projection method and light projection deviceHANGZHOU UPHOTON OPTOELECTRONICS TECH CO LTD·Filed 2020·Granted Oct 3, 2023·1 cites·19 claims
- 0346US12265232B2Beam-splitting optical module and manufacturing method thereofHANGZHOU UPHOTON OPTOELECTRONICS TECH CO LTD·Filed 2020·Granted Apr 1, 2025·0 cites·13 claims
- 0446US2023092042A1Diffractive optical element, partitioned uniform light projection system, electronic device and design methodHANGZHOU UPHOTON OPTOELECTRONICS TECH CO LTD·Filed 2022·Application pending·0 cites
- 0539US11733536B1Periodic optimization method for diffractive optical elementHANGZHOU UPHOTON OPTOELECTRONICS TECH CO LTD·Filed 2021·Granted Aug 22, 2023·0 cites·9 claims
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