Inventor · disambiguated record

Chengfan Bao

Also filed as: BAO CHENGFAN

2 granted patents·9 citations·filing 2013–2013

54Inventor score

Technology areasE05B G06K

Files withSHANGHAI SAINTSUNG POLYTRON TECH INC1 SHANGHAI SHENGXIANG SCIENCE AND TECHNOLOGY CO LTD1

Top patents by PatentIndex Score

2 records

0169US8777107B1Wheel type laser encoding device and code reading methodSHANGHAI SHENGXIANG SCIENCE AND TECHNOLOGY CO LTD·Filed 2013·Granted Jul 15, 2014·5 cites·4 claims
0255US9464463B2Combination lockSHANGHAI SAINTSUNG POLYTRON TECH INC·Filed 2013·Granted Oct 11, 2016·4 cites·17 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →