Inventor · disambiguated record
Ying Chang
Also filed as: CHANG YING · CHANG YING-CHUN
3 granted patents·1 pending application·106 citations·filing 2001–2018
72Inventor score
Files withLIANG SAM SONG1MOTOROLA INC1SHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INST1TATUNG CO LTD1
Top patents by PatentIndex Score
4 records- 0189US6947771B2User interface for a portable electronic deviceMOTOROLA INC·Filed 2001·Granted Sep 20, 2005·87 cites·11 claims
- 0288US8990107B2Determining user stays of a user of a mobile deviceLIANG SAM SONG·Filed 2013·Granted Mar 24, 2015·16 cites·22 claims
- 0374US10573173B2Vehicle type identification method and device based on mobile phone dataSHANDONG PROVINCIAL COMMUNICATIONS PLANNING AND DESIGN INST·Filed 2018·Granted Feb 25, 2020·3 cites·18 claims
- 0436US2004093612A1Auto-balancing device for the motor of a CD-ROM playerTATUNG CO LTD·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →