Growing community of inventors

Orinda, CA, United States of America

Margaret W Tumas

Average Co-Inventor Count = 8.02

ph-index = 6

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 1,339

Margaret W TumasJoshua Makower (7 patents)Margaret W TumasJ Christopher Flaherty (7 patents)Margaret W TumasTimothy R Machold (7 patents)Margaret W TumasJason Brian Whitt (7 patents)Margaret W TumasPhilip Christopher Evard (4 patents)Margaret W TumasJohn T Garibotto (4 patents)Margaret W TumasAlan Robert Selfridge (4 patents)Margaret W TumasTheodore Charles Lamson (3 patents)Margaret W TumasPatrick Edward Macaulay (3 patents)Margaret W TumasMarc Jensen (3 patents)Margaret W TumasJ Christopher Flaherty (1 patent)Margaret W TumasPatrick Edward Macauley (1 patent)Margaret W TumasJohn Thomas Garibotto (0 patent)Margaret W TumasChristopher J c/o Proteus Biomedical Inc Flaherty (0 patent)Margaret W TumasMargaret W Tumas (7 patents)Joshua MakowerJoshua Makower (274 patents)J Christopher FlahertyJ Christopher Flaherty (267 patents)Timothy R MacholdTimothy R Machold (139 patents)Jason Brian WhittJason Brian Whitt (36 patents)Philip Christopher EvardPhilip Christopher Evard (46 patents)John T GaribottoJohn T Garibotto (44 patents)Alan Robert SelfridgeAlan Robert Selfridge (10 patents)Theodore Charles LamsonTheodore Charles Lamson (94 patents)Patrick Edward MacaulayPatrick Edward Macaulay (52 patents)Marc JensenMarc Jensen (20 patents)J Christopher FlahertyJ Christopher Flaherty (21 patents)Patrick Edward MacauleyPatrick Edward Macauley (1 patent)John Thomas GaribottoJohn Thomas Garibotto (0 patent)Christopher J c/o Proteus Biomedical Inc FlahertyChristopher J c/o Proteus Biomedical Inc Flaherty (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Medtronic Vascular, Inc. (6 from 974 patents)

2. Transvascular, Inc. (1 from 35 patents)


7 patents:

1. 9713483 - Catheters and related devices for forming passageways between blood vessels or other anatomical structures

2. 8753366 - Catheters and related devices for forming passageways between blood vessels or other anatomical structures

3. 7849860 - Methods and apparatus for transmyocardial direct coronary revascularization

4. 7648517 - Catheters and related devices for forming passageways between blood vessels or other anatomical structures

5. 7159592 - Methods and apparatus for transmyocardial direct coronary revascularization

6. 6929009 - Method and apparatus for transmyocardial direct coronary revascularization

7. 6302875 - Catheters and related devices for forming passageways between blood vessels or other anatomical structures

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idiyas.com
as of
12/8/2025
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