Growing community of inventors

Scarborough, Canada

Ezra T Chang

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 = 21

Ezra T ChangRonald A Smith (1 patent)Ezra T ChangEzra T Chang (1 patent)Ronald A SmithRonald A Smith (4 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Scepter Corporation (1 from 13 patents)


1 patent:

1. 6644438 - Pole climbing and safety device

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