Growing community of inventors

Lexington, MA, United States of America

Rod Hopwood

Average Co-Inventor Count = 4.00

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 = 2

Rod HopwoodDavid A Waldman (1 patent)Rod HopwoodRichard T Ingwall (1 patent)Rod HopwoodYajPaul Panchu (1 patent)Rod HopwoodRod Hopwood (1 patent)David A WaldmanDavid A Waldman (23 patents)Richard T IngwallRichard T Ingwall (16 patents)YajPaul PanchuYajPaul Panchu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Aprilis, Inc. (1 from 10 patents)


1 patent:

1. 6881464 - Method and apparatus for producing optical recording media with accurately parallel surfaces

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as of
12/9/2025
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