Inventor · disambiguated record

Xiangzhen Chang

Also filed as: CHANG XIANGZHEN

0 granted patents·1 pending application·0 citations·filing 2015–2015

Technology areasF21W

Files withBEIJING UNIV OF TECH (CN)1

Top patents by PatentIndex Score

1 record

0127US2017313237A1An Illumination Standard Calculation Method And System for A Tunnel Middle Section Based On Safe Visual RecognitionBEIJING UNIV OF TECH (CN)·Filed 2015·Application pending·0 cites

Join the waitlist — get patent alerts

Get an alert when Xiangzhen Chang 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 →