Inventor · disambiguated record
Sandy Y. Chang
Also filed as: CHANG SANDY · CHANG SANDY Y
3 granted patents·1 pending application·14 citations·filing 1995–2018
64Inventor score
Top patents by PatentIndex Score
4 records- 0184US10313510B2Inmate communication conversion systemFEDCOM INC·Filed 2018·Granted Jun 4, 2019·11 cites·21 claims
- 0269US10320969B2Inmate communication processing systemFEDCOM INC·Filed 2018·Granted Jun 11, 2019·1 cites·16 claims
- 0340US2006072601A1Virtual IP interfaceCHENG ZHIDAN·Filed 2003·Application pending·0 cites
- 0437US5885772AMethod for the detection of anencephalyUNIV ROCKEFELLER·Filed 1995·Granted Mar 23, 1999·2 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →