Growing community of inventors

Oordegem, Netherlands

John E De Clercq

Average Co-Inventor Count = 6.00

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 = 154

John E De Clercq ↔ Engbert B Nijhof (1 patent)John E De Clercq ↔ Marcel J Bucks (1 patent)John E De Clercq ↔ Johannes E Algra (1 patent)John E De Clercq ↔ Stefan E Roijers (1 patent)John E De Clercq ↔ Pieter W Habing (1 patent)John E De ClercqJohn E De Clercq (1 patent)Engbert B NijhofEngbert B Nijhof (8 patents)Marcel J BucksMarcel J Bucks (7 patents)Johannes E AlgraJohannes E Algra (5 patents)Stefan E RoijersStefan E Roijers (2 patents)Pieter W HabingPieter W Habing (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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

2. Lumileds Lighting B.v. (1 from 3 patents)


1 patent:

1. 6147458 - Circuit arrangement and signalling light provided with the circuit

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as of
12/17/2025
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