Assignee
ANHUI CHANGGENG OPTICS TECH CO LTD
CN·1 granted patent·2 pending applications·0 citations·filing 2016–2017
Top patents by PatentIndex Score
3 records- 0144US10302919B2Mirrorless large-aperture ultra wide-angle lensANHUI CHANGGENG OPTICS TECH CO LTD·Filed 2017·Granted May 28, 2019·0 cites·7 claims
- 0231US2018164584A1Shift ConverterANHUI CHANGGENG OPTICS TECH CO LTD·Filed 2017·Application pending·0 cites
- 0312US2018188481A1Ultra wide-angle large aperture lensANHUI CHANGGENG OPTICS TECH CO LTD·Filed 2016·Application pending·0 cites
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