Inventor · disambiguated record
Baoyan Chang
Also filed as: CHANG BAOYAN
3 granted patents·21 citations·filing 2008–2011
66Inventor score
Top patents by PatentIndex Score
3 records- 0168US7806554B2LED direct-plugging type multi-chip high power light sourceSHENZHEN HONGYA OPTO ELECTRONI·Filed 2008·Granted Oct 5, 2010·12 cites·4 claims
- 0267US8614549B2Emergency illumination system based on LED combined LED lampsCHANG BAOYAN·Filed 2011·Granted Dec 24, 2013·7 cites·6 claims
- 0352US7686479B2LED flat-plate type multi-chip high power light sourceSHENZHEN HONGYA OPTO ELECTRONI·Filed 2008·Granted Mar 30, 2010·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →