P

Inventor

UNTEREKER DARREL F

US25 patents
⚠️ This page may combine multiple inventors who share the name “UNTEREKER DARREL F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MEDTRONIC INC

19 patents
US4747819AMay 31, 1988

Iontophoretic drug delivery

MEDTRONIC INC177 citations99
US4744787AMay 17, 1988

Iontophoresis apparatus and methods of producing same

MEDTRONIC INC148 citations99
US6409776B1Jun 25, 2002

Implantable medical device having flat electrolytic capacitor formed with nonthrough-etched and through-hole punctured anode sheets

MEDTRONIC INC87 citations97
US5135477AAug 4, 1992

Iontophoretic drug delivery

MEDTRONIC INC116 citations97
US6159240ADec 12, 2000

Rigid annuloplasty device that becomes compliant after implantation

MEDTRONIC INC475 citations96
US4444193AApr 24, 1984

Fluid absorbent quantitative test device

MEDTRONIC INC89 citations95
US4846182AJul 11, 1989

Method of preparing a fluid absorbent quantitative test device

MEDTRONIC INC38 citations91
US6621686B1Sep 16, 2003

Implantable medical device having flat electrolytic capacitor formed with partially through-etched and through-hole punctured anode sheets

MEDTRONIC INC30 citations86
US4694834ASep 22, 1987

Gas sensor

MEDTRONIC INC19 citations82
US4430397AFeb 7, 1984

Electrochemical cells

MEDTRONIC INC23 citations82
US4761355AAug 2, 1988

Electrochemical cells and cathode materials

MEDTRONIC INC12 citations74
US4393125AJul 12, 1983

Battery cathodes

MEDTRONIC INC9 citations74
US4271278AJun 2, 1981

Cathode materials

MEDTRONIC INC14 citations72
US4223110ASep 16, 1980

Cathode materials

MEDTRONIC INC11 citations72
US4278745AJul 14, 1981

Cathode materials for electrochemical cells

MEDTRONIC INC5 citations63
US4456520AJun 26, 1984

Porous rigid titanium disulfide electrodes for electrochemical cells and method for preparing same

MEDTRONIC INC2 citations61
US11548974B2Jan 10, 2023

Modified polyisobutylene-based polymers, methods of making, and medical devices

MEDTRONIC INC1 citations58
US10882945B2Jan 5, 2021

Modified polyisobutylene-based polymers, methods of making, and medical devices

MEDTRONIC INC1 citations58
US9220888B2Dec 29, 2015

Medical leads

MEDTRONIC INC2 citations55

ALZA CORP

4 patents

NORTON JOHN D

2 patents