Inventor · disambiguated record
Qinghong Du
Also filed as: DU QINGHONG
5 granted patents·1 pending application·146 citations·filing 2003–2024
79Inventor score
Top patents by PatentIndex Score
6 records- 0189US6958494B2Light emitting diodes with current spreading layerDICON FIBEROPTICS INC·Filed 2003·Granted Oct 25, 2005·120 cites·36 claims
- 0285US7683380B2High light efficiency solid-state light emitting structure and methods to manufacturing the sameDICON FIBEROPTICS INC·Filed 2007·Granted Mar 23, 2010·20 cites·9 claims
- 0370US9720147B2Reflective diffraction grating and fabrication methodLUMENTUM OPERATIONS LLC·Filed 2014·Granted Aug 1, 2017·2 cites·20 claims
- 0460US2025105594A1Self-mixing interferometry using backside-emitting vcsel diode with integrated photodetectorAPPLE INC·Filed 2024·Application pending·0 cites
- 0558US8362828B2Sampling filter using multiple clocksKABEN WIRELESS SILICON INC·Filed 2008·Granted Jan 29, 2013·4 cites·19 claims
- 0655US10768349B2Reflective diffraction grating and fabrication methodLUMENTUM OPERATIONS LLC·Filed 2017·Granted Sep 8, 2020·0 cites·25 claims
Join the waitlist — get patent alerts
Get an alert when Qinghong Du files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →