Growing community of inventors

Eindhoven, Netherlands

Johan Andrea

Average Co-Inventor Count = 3.00

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 = 20

Johan AndreaRalph H Bradley, Jr (1 patent)Johan AndreaEugene Lubchenko (1 patent)Johan AndreaJohan Andrea (1 patent)Ralph H Bradley, JrRalph H Bradley, Jr (13 patents)Eugene LubchenkoEugene Lubchenko (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. U.S. Philips Corporation (1 from 14,087 patents)

2. Nap Consumer Electronics Corp. (1 from 5 patents)


1 patent:

1. 4679069 - Color picture projection system with a wavelength-selective reflector

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12/20/2025
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