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Cardiff, United Kingdom

Harold H Heller

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 = 60

Harold H Heller ↔ Clive Trundle (1 patent)Harold H Heller ↔ Stephen N Oliver (1 patent)Harold H Heller ↔ William Johncock (1 patent)Harold H Heller ↔ John Whittal (1 patent)Harold H Heller ↔ Paul J Darcy (1 patent)Harold H HellerHarold H Heller (1 patent)Clive TrundleClive Trundle (11 patents)Stephen N OliverStephen N Oliver (6 patents)William JohncockWilliam Johncock (1 patent)John WhittalJohn Whittal (1 patent)Paul J DarcyPaul J Darcy (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Plessey Company Plc (1 from 36 patents)


1 patent:

1. 4685783 - Polychromic tetracyclo-spiro-adamatylidene derivatives, and polychromic

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12/20/2025
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