Inventor · disambiguated record

William R. Chang

Also filed as: CHANG WILLIAM R

2 granted patents·20 citations·filing 2008–2012

59Inventor score

Technology areasA61M Y10T

Files withHOFFMAN BRIAN2

Top patents by PatentIndex Score

2 records

0188US8603057B2Method of controlling the flow of bodily fluidHOFFMAN BRIAN·Filed 2012·Granted Dec 10, 2013·15 cites·5 claims
0262US8221366B2Volume limiting bodily fluid drainage systemHOFFMAN BRIAN·Filed 2008·Granted Jul 17, 2012·5 cites·30 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →