Inventor · disambiguated record
Chang Wei-Chung
Also filed as: WEI-CHUNG CHANG
2 granted patents·1 pending application·47 citations·filing 2008–2012
63Inventor score
Technology areasA63B
Top patents by PatentIndex Score
3 records- 0188US7980997B2System for encouraging a user to perform substantial physical activityUNIV SOUTHERN CALIFORNIA·Filed 2008·Granted Jul 19, 2011·43 cites·13 claims
- 0265US8317657B2System for encouraging a user to perform substantial physical activityTHUKRAL DHRUV·Filed 2011·Granted Nov 27, 2012·4 cites·15 claims
- 0348US2013052623A1System for encouraging a user to perform substantial physical activityUNIV SOUTHERN CALIFORNIA·Filed 2012·Application pending·0 cites
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