Growing community of inventors

New Ipswich, NH, United States of America

Mark A DuFresne

Average Co-Inventor Count = 9.00

ph-index = 1

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 = 7

Mark A DuFresne ↔ Asima Silva (2 patents)Mark A DuFresne ↔ Jonathan Frederick Brunn (2 patents)Mark A DuFresne ↔ Christopher D Johnson (2 patents)Mark A DuFresne ↔ Marit L Imsdahl (2 patents)Mark A DuFresne ↔ Razeyah Stephen (2 patents)Mark A DuFresne ↔ Jonathan T Coffey (2 patents)Mark A DuFresne ↔ James J Stadtmiller (2 patents)Mark A DuFresne ↔ Yuriy B Veytsman (2 patents)Mark A DuFresneMark A DuFresne (2 patents)Asima SilvaAsima Silva (146 patents)Jonathan Frederick BrunnJonathan Frederick Brunn (80 patents)Christopher D JohnsonChristopher D Johnson (40 patents)Marit L ImsdahlMarit L Imsdahl (24 patents)Razeyah StephenRazeyah Stephen (8 patents)Jonathan T CoffeyJonathan T Coffey (2 patents)James J StadtmillerJames J Stadtmiller (2 patents)Yuriy B VeytsmanYuriy B Veytsman (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. International Business Machines Corporation (2 from 164,108 patents)


2 patents:

1. 11144733 - Task-oriented messaging system

2. 10140291 - Task-oriented messaging system

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12/4/2025
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