Growing community of inventors

Eindhoven, Netherlands

Marco S De Keijser

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 = 2

Marco S De Keijser ↔ Christianus J Van Opdorp (1 patent)Marco S De KeijserMarco S De Keijser (1 patent)Christianus J Van OpdorpChristianus J Van Opdorp (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

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


1 patent:

1. 5178718 - Method of manufacturing a semiconductor device

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12/19/2025
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