Inventor · disambiguated record

Janna B. Dufrene

Also filed as: DUFRENE JANNA B

2 granted patents·50 citations·filing 2002–2002

64Inventor score

Technology areasH10D

Files withSEMISOUTH LAB LLC2

Top patents by PatentIndex Score

2 records

0179US6693308B2Power SiC devices having raised guard ringsSEMISOUTH LAB LLC·Filed 2002·Granted Feb 17, 2004·35 cites·26 claims
0264US6815304B2Silicon carbide bipolar junction transistor with overgrown base regionSEMISOUTH LAB LLC·Filed 2002·Granted Nov 9, 2004·15 cites·20 claims

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