Inventor · disambiguated record
Cheng-En Lei
Also filed as: LEI CHENG · LEI CHENG-EN
2 granted patents·5 citations·filing 2001–2022
42Inventor score
Top patents by PatentIndex Score
2 records- 0141US12117584B2Device and method for determining original stratum direction of corePETROCHINA CO LTD·Filed 2022·Granted Oct 15, 2024·0 cites·30 claims
- 0239US6605209B2Non-biodegradable waste pyrolysis system with selective residence-time reactor by recycle of self-sustaining heat-conservation mediumGREEN FORMOSA ENERGY TECHNOLOG·Filed 2001·Granted Aug 12, 2003·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →