Growing community of inventors

Laguna Niguel, CA, United States of America

Joel D Gruber

Average Co-Inventor Count = 2.40

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 = 12

Joel D GruberThomas Fraiser LaDuke (2 patents)Joel D GruberRichard Romano (1 patent)Joel D GruberJoel D Gruber (2 patents)Thomas Fraiser LaDukeThomas Fraiser LaDuke (19 patents)Richard RomanoRichard Romano (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)

2. Artifex Corporation (1 from 6 patents)


2 patents:

1. 5262895 - Optical color synthesizer

2. 5044730 - Color changing device

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as of
12/19/2025
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