Inventor · disambiguated record
Yongwei Chang
Also filed as: CHANG YONGWEI
4 granted patents·0 citations·filing 2018–2018
52Inventor score
Files withSHANGHAI SIMGUI TECH CO LTD4
Top patents by PatentIndex Score
4 records- 0145US10529590B2Annealing method for improving bonding strengthSHANGHAI SIMGUI TECH CO LTD·Filed 2018·Granted Jan 7, 2020·0 cites·6 claims
- 0241US10618082B2Method for cleaning bonding interface before bondingSHANGHAI SIMGUI TECH CO LTD·Filed 2018·Granted Apr 14, 2020·0 cites·6 claims
- 0340US10361114B2Method for preparing substrate with carrier trapping centerSHANGHAI SIMGUI TECH CO LTD·Filed 2018·Granted Jul 23, 2019·0 cites·10 claims
- 0439US10388529B2Method for preparing substrate with insulated buried layerSHANGHAI SIMGUI TECH CO LTD·Filed 2018·Granted Aug 20, 2019·0 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Yongwei 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 →