Inventor · disambiguated record
Chao Guan
Also filed as: GUAN CHAO
12 granted patents·2 pending applications·17 citations·filing 2011–2025
85Inventor score
Files withUNIV PEKING FOUNDER GROUP CO7BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD1FANG JIAN1LEEKNIVES CO LTD1SAMSUNG ELECTRONICS CO LTD1
Top patents by PatentIndex Score
14 records- 0178US9135489B2System for decoding two dimensional code and method thereofUNIV PEKING FOUNDER GROUP CO·Filed 2013·Granted Sep 15, 2015·5 cites·31 claims
- 0276US9230148B2Method and system for binarization of two dimensional code imageUNIV PEKING FOUNDER GROUP CO·Filed 2013·Granted Jan 5, 2016·4 cites·19 claims
- 0369US9177188B2Method and system for detecting detection patterns of QR codeUNIV PEKING FOUNDER GROUP CO·Filed 2013·Granted Nov 3, 2015·2 cites·19 claims
- 0467US9070034B2Method and system for correcting QR code imageUNIV PEKING FOUNDER GROUP CO·Filed 2013·Granted Jun 30, 2015·2 cites·15 claims
- 0561US9111165B2Method and system for filtering detection patterns in a QR codeUNIV PEKING FOUNDER GROUP CO·Filed 2013·Granted Aug 18, 2015·1 cites·17 claims
- 0660US9087253B2Method and system for determining edge line in QR code binary imageUNIV PEKING FOUNDER GROUP CO·Filed 2013·Granted Jul 21, 2015·1 cites·11 claims
- 0759US2024323778A1Method for calling and communication apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2023·Application pending·0 cites
- 0855US8598658B2High voltage LDMOS deviceFANG JIAN·Filed 2011·Granted Dec 3, 2013·2 cites·5 claims
- 0954US12206296B2Motor controller and outer rotor motor comprising the sameZHONGSHAN BROAD OCEAN MOTOR CO·Filed 2022·Granted Jan 21, 2025·0 cites·9 claims
- 1054US2021294933A1Two-stage method for double-row intelligent layout of workshop based on multiple constraintsUNIV SOUTHWEST JIAOTONG·Filed 2021·Application pending·0 cites
- 1151US9449210B2Method and system for detecting a correction pattern in a QR codeUNIV PEKING FOUNDER GROUP CO·Filed 2013·Granted Sep 20, 2016·0 cites·29 claims
- 1250US11014079B2Hydrogen generation from formic acid catalyzed by a metal complex under amine-free and aqueous conditionsUNIV KING ABDULLAH SCI & TECH·Filed 2017·Granted May 25, 2021·0 cites·19 claims
- 1347US10949780B2Online transportation reservation systems prioritizing reservations based on demand, regional transportation capacity, and historical driver scoresBEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD·Filed 2020·Granted Mar 16, 2021·0 cites·20 claims
- 1437USD1072586SKnife blockLEEKNIVES CO LTD·Filed 2025·Granted Apr 29, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →