Inventor · disambiguated record
Changhai Wang
Also filed as: WANG CHANGHAI
2 granted patents·2 pending applications·2 citations·filing 2001–2018
34Inventor score
Files withCHIPONE TECHNOLOGY BEIJING CO LTD1SHANDONG QUNFENG PETROLEUM TECH DEVELOPMENT CO LTD1WANG CHANGHAI1
Top patents by PatentIndex Score
4 records- 0157US10565423B2Detection method and device used in fingerprint identification systemCHIPONE TECHNOLOGY BEIJING CO LTD·Filed 2018·Granted Feb 18, 2020·2 cites·13 claims
- 0237US2004053295A1Linear array deviceFiled 2001·Application pending·0 cites
- 0333US2011061884A1Laser assisted system and method for bonding of surfaces; microcavity for packaging mems devicesWANG CHANGHAI·Filed 2006·Application pending·0 cites
- 0430US10711550B2Energy-saving and environment-friendly paraffin and scale control ultra-strong viscosity reduction deviceSHANDONG QUNFENG PETROLEUM TECH DEVELOPMENT CO LTD·Filed 2016·Granted Jul 14, 2020·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →