Inventor · disambiguated record
Congfang Si
Also filed as: SI CONGFANG
4 granted patents·3 pending applications·0 citations·filing 2018–2024
52Inventor score
Technology areasG02B
Files withCHANGZHOU AAC RAYTECH OPTRONICS CO LTD3RAYTECH OPTICAL CHANGZHOU CO LTD2CHANGZHOU RAYTECH OPTRONICS CO LTD1LIAONING ZHONGLAN ELECTRONIC TECH CO LTD1
Top patents by PatentIndex Score
7 records- 0156US2025314859A1Camera optical lens and lens assemblyCHANGZHOU AAC RAYTECH OPTRONICS CO LTD·Filed 2024·Application pending·0 cites
- 0256US2025314860A1Camera optical lens and lens assemblyCHANGZHOU AAC RAYTECH OPTRONICS CO LTD·Filed 2024·Application pending·0 cites
- 0355US2025314858A1Camera optical lensCHANGZHOU AAC RAYTECH OPTRONICS CO LTD·Filed 2024·Application pending·0 cites
- 0445US12032129B2Camera optical lensRAYTECH OPTICAL CHANGZHOU CO LTD·Filed 2020·Granted Jul 9, 2024·0 cites·10 claims
- 0545US11947077B2Camera optical lensCHANGZHOU RAYTECH OPTRONICS CO LTD·Filed 2020·Granted Apr 2, 2024·0 cites·11 claims
- 0642US11966022B2Camera optical lensRAYTECH OPTICAL CHANGZHOU CO LTD·Filed 2020·Granted Apr 23, 2024·0 cites·9 claims
- 0733US10732382B2High-pixel lens which increases a length of a front halfLIAONING ZHONGLAN ELECTRONIC TECH CO LTD·Filed 2018·Granted Aug 4, 2020·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →