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Stittsville, Canada

Mark A Armstrong

Average Co-Inventor Count = 3.00

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 = 3

Mark A Armstrong ↔ Takuro Yamaguchi (1 patent)Mark A Armstrong ↔ Yoshinori Wada (1 patent)Mark A ArmstrongMark A Armstrong (1 patent)Takuro YamaguchiTakuro Yamaguchi (2 patents)Yoshinori WadaYoshinori Wada (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Mitel Corporation (1 from 307 patents)

2. Foster Electric Company, Limited (1 from 65 patents)


1 patent:

1. 5440630 - Telephone receiver with electrostatic discharge prevention

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as of
12/16/2025
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