Growing community of inventors

Port Moody, Canada

Douglas Richardson

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 = 19

Douglas RichardsonMichel G Laberge (1 patent)Douglas RichardsonDouglas Richardson (1 patent)Michel G LabergeMichel G Laberge (7 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Creo Products Limited (1 from 32 patents)


1 patent:

1. 5818498 - Method of multi-channel thermal recording

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12/14/2025
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