Growing community of inventors

Newton Aycliffe, United Kingdom

Geoff Wallhead

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 = 1

Geoff Wallhead ↔ John Kears (4 patents)Geoff Wallhead ↔ Daniel Rohner (1 patent)Geoff Wallhead ↔ Alexander Mair (1 patent)Geoff Wallhead ↔ Frederick Stevens (1 patent)Geoff WallheadGeoff Wallhead (1 patent)John KearsJohn Kears (4 patents)Daniel RohnerDaniel Rohner (3 patents)Alexander MairAlexander Mair (3 patents)Frederick StevensFrederick Stevens (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tridonicatco Gmbh & Co Kg (1 from 24 patents)

2. Tridonic Gmbh Co. Kg (215 patents)


1 patent:

1. 8680778 - LED driver circuit

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1/11/2026
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