Assignee
ZHANG HONGJIE
CN·2 granted patents·1 pending application·12 citations·filing 2009–2021
Top patents by PatentIndex Score
3 records- 0184US9045689B2Yellow light afterglow material and preparation method thereof as well as LED illuminating device using sameZHANG HONGJIE·Filed 2009·Granted Jun 2, 2015·10 cites·13 claims
- 0274US9185761B2White LED device having LED chips directly driven by alternating currentZHANG HONGJIE·Filed 2011·Granted Nov 10, 2015·2 cites·18 claims
- 0354US2022369572A1A plant climbing columnZHANG HONGJIE·Filed 2021·Application pending·0 cites
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