Inventor · disambiguated record
Xiangyun Chang
Also filed as: CHANG XIANGYUN
4 granted patents·12 citations·filing 2004–2015
66Inventor score
Top patents by PatentIndex Score
4 records- 0182US9196449B1Floating grid electron sourceFAR TECH INC·Filed 2015·Granted Nov 24, 2015·7 cites·23 claims
- 0246US9159517B2Photocathode enhancement systemFAR TECH INC·Filed 2012·Granted Oct 13, 2015·0 cites·25 claims
- 0343US8907297B2Multi-dimensional photocathode systemFAR TECH INC·Filed 2012·Granted Dec 9, 2014·0 cites·19 claims
- 0443US7227297B2Secondary emission electron gun using external primariesBROOKHAVEN SCIENCE ASS LLC·Filed 2004·Granted Jun 5, 2007·5 cites·49 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →