Growing community of inventors

San Francisco, CA, United States of America

Mark Williams Jacobstein

Average Co-Inventor Count = 3.79

ph-index = 3

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 = 46

Mark Williams JacobsteinIsaac David Guedalia (4 patents)Mark Williams JacobsteinJacob Guedalia (4 patents)Mark Williams JacobsteinSamuel H Altman (2 patents)Mark Williams JacobsteinNicholas T Sivo (2 patents)Mark Williams JacobsteinThomas B Pernikoff (2 patents)Mark Williams JacobsteinBrian R Knapp (2 patents)Mark Williams JacobsteinJames F Potter (2 patents)Mark Williams JacobsteinSarah Harris (1 patent)Mark Williams JacobsteinIsaac David Guedalia (0 patent)Mark Williams JacobsteinSarah Harris (0 patent)Mark Williams JacobsteinMark Williams Jacobstein (6 patents)Isaac David GuedaliaIsaac David Guedalia (47 patents)Jacob GuedaliaJacob Guedalia (28 patents)Samuel H AltmanSamuel H Altman (13 patents)Nicholas T SivoNicholas T Sivo (9 patents)Thomas B PernikoffThomas B Pernikoff (6 patents)Brian R KnappBrian R Knapp (4 patents)James F PotterJames F Potter (2 patents)Sarah HarrisSarah Harris (4 patents)Isaac David GuedaliaIsaac David Guedalia (0 patent)Sarah HarrisSarah Harris (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Qualcomm Incorporated (2 from 41,672 patents)

2. Green Dot Corporation (2 from 12 patents)

3. Qualcomm Connected Experiences, Inc. (1 from 18 patents)

4. Qualcomm Iskoot, Inc. (1 from 3 patents)


6 patents:

1. 9560205 - Methods and apparatus for providing messaging using voicemail

2. 9560479 - Secure and private location sharing for location-aware mobile communication devices

3. 9066216 - Methods and apparatus for providing messaging using voicemail

4. 8989778 - Secure and private location sharing for location-aware mobile communication devices

5. 8577341 - Methods and apparatus for providing messaging using voicemail

6. 8249571 - Method and system for mobile call conferencing

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as of
1/12/2026
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