Growing community of inventors

Billerica, MA, United States of America

John H Ward

Average Co-Inventor Count = 2.00

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 = 9

John H WardGeorge B Parrent, Jr (1 patent)John H WardJohn H Ward (1 patent)George B Parrent, JrGeorge B Parrent, Jr (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Technical Operations, Incorporated (1 from 12 patents)


1 patent:

1. 4118107 - Optical detection of geometric configurations

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12/20/2025
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