Inventor · disambiguated record
Keith Johnson
Also filed as: JOHNSON KEITH · JOHNSON KEITH M
12 granted patents·2,836 citations·filing 1981–2010
95Inventor score
Top patents by PatentIndex Score
12 records- 0198US7860574B2Implantable medical device with two or more telemetry systemsCARDIAC PACEMAKERS INC·Filed 2009·Granted Dec 28, 2010·254 cites·20 claims
- 0297US4339831ADynamic annulus heart valve and reconstruction ringMEDTRONIC INC·Filed 1981·Granted Jul 20, 1982·1.1k cites·19 claims
- 0396US8029564B2Prosthetic heart valve systemMEDTRONIC INC·Filed 2009·Granted Oct 4, 2011·139 cites·9 claims
- 0495US7503929B2Prosthetic heart valve systemMEDTRONIC INC·Filed 2006·Granted Mar 17, 2009·93 cites·34 claims
- 0593US7189258B2Heart valve systemMEDTRONIC INC·Filed 2002·Granted Mar 13, 2007·236 cites·30 claims
- 0692US5449384ADynamic annulus heart valve employing preserved porcine valve leafletsMEDTRONIC INC·Filed 1992·Granted Sep 12, 1995·432 cites·8 claims
- 0791US7729776B2Implantable medical device with two or more telemetry systemsCARDIAC PACEMAKERS INC·Filed 2001·Granted Jun 1, 2010·160 cites·36 claims
- 0891US7468073B2Heart valve systemMEDTRONIC INC·Filed 2006·Granted Dec 23, 2008·58 cites·13 claims
- 0988US7033390B2Prosthetic heart valve systemMEDTRONIC INC·Filed 2003·Granted Apr 25, 2006·132 cites·14 claims
- 1081US5766240ARotatable suturing ring for prosthetic heart valveMEDTRONIC INC·Filed 1996·Granted Jun 16, 1998·233 cites·33 claims
- 1180US8041432B2Implantable medical device with two or more telemetry systemsCARDIAC PACEMAKERS INC·Filed 2010·Granted Oct 18, 2011·12 cites·20 claims
- 1233US4808180AProsthetic heart valveMEDTRONIC INC·Filed 1987·Granted Feb 28, 1989·12 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →