Inventor · disambiguated record
James R. Ringdal
Also filed as: RINGDAL JAMES R
4 granted patents·389 citations·filing 1996–2002
84Inventor score
Technology areasA61F
Files withST JUDE MEDICAL4
Top patents by PatentIndex Score
4 records- 0188US6719790B2Prosthetic heart valve with increased valve lumenST JUDE MEDICAL·Filed 2002·Granted Apr 13, 2004·158 cites·17 claims
- 0269US6730122B1Prosthetic heart valve with increased lumenST JUDE MEDICAL·Filed 2000·Granted May 4, 2004·58 cites·18 claims
- 0366US6007577AProsthetic heart valve with increased valve lumenST JUDE MEDICAL·Filed 1997·Granted Dec 28, 1999·103 cites·19 claims
- 0459US6391053B1Prosthetic heart valve with increased valve lumenST JUDE MEDICAL·Filed 1996·Granted May 21, 2002·70 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →