Inventor · disambiguated record
Yijing Sun
Also filed as: SUN YIJING
4 granted patents·4 pending applications·47 citations·filing 1999–2025
72Inventor score
Files withWALMART APOLLO LLC3CHINA PETROCHEMICAL CORP2SUN YIJING2ADVANCED MICRO FABRICATION EQUIPMENT INC CHINA1
Top patents by PatentIndex Score
8 records- 0177US12373873B2Systems and methods for checking and confirming the purchase of merchandise itemsWALMART APOLLO LLC·Filed 2024·Granted Jul 29, 2025·0 cites·18 claims
- 0276US2025390926A1Systems and methods for checking and confirming the purchase of merchandise itemsWALMART APOLLO LLC·Filed 2025·Application pending·0 cites
- 0371US6617278B1Catalyst system for use in ethylene polymerization and copolymerization and process for preparing the sameCHINA PETROCHEMICAL CORP·Filed 1999·Granted Sep 9, 2003·33 cites·29 claims
- 0463US12002080B2Systems and methods for checking and confirming the purchase of merchandise itemsWALMART APOLLO LLC·Filed 2020·Granted Jun 4, 2024·0 cites·17 claims
- 0551US6387839B1Compound catalyst system for synthesizing polyethylenes or copolymers of ethylene having bimodal or broad molecular weight distributions, process for preparing the same and use of the sameCHINA PETROCHEMICAL CORP·Filed 1999·Granted May 14, 2002·14 cites·19 claims
- 0651US2025316456A1Plasma treatment device, shower head and manufacturing method thereforADVANCED MICRO FABRICATION EQUIPMENT INC CHINA·Filed 2023·Application pending·0 cites
- 0747US2008010940A1Building-above-land for protecting vegetation and environmentSUN YIJING·Filed 2006·Application pending·0 cites
- 0834US2010275526A1Building-above-land for protection of vegetation and environmentSUN YIJING·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yijing Sun 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 →