Growing community of inventors

Raleigh, NC, United States of America

Robert E Chapman

Average Co-Inventor Count = 4.44

ph-index = 2

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 = 30

Robert E ChapmanEdith H Stern (2 patents)Robert E ChapmanBarry Edward Willner (2 patents)Robert E ChapmanPhilip Shi-lung Yu (1 patent)Robert E ChapmanAsser Nasreldin Tantawi (1 patent)Robert E ChapmanDavid Perry Greene (1 patent)Robert E ChapmanRobert E Chapman (2 patents)Edith H SternEdith H Stern (208 patents)Barry Edward WillnerBarry Edward Willner (174 patents)Philip Shi-lung YuPhilip Shi-lung Yu (151 patents)Asser Nasreldin TantawiAsser Nasreldin Tantawi (49 patents)David Perry GreeneDavid Perry Greene (15 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. 7116223 - Systems, methods, and apparatus for monitoring a container associated with an item

2. 6724869 - Multimodal telephone numbers

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as of
12/3/2025
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