Growing community of inventors

Vancouver, Canada

Ching Wah Shum

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

Ching Wah Shum ↔ Christopher Paul Morton (1 patent)Ching Wah Shum ↔ Terence Donald Deines (1 patent)Ching Wah Shum ↔ Jack H Sawada (1 patent)Ching Wah ShumChing Wah Shum (1 patent)Christopher Paul MortonChristopher Paul Morton (2 patents)Terence Donald DeinesTerence Donald Deines (1 patent)Jack H SawadaJack H Sawada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. British Columbia Hydro and Power Authority (1 from 11 patents)


1 patent:

1. 7256978 - Gapped ground safety device

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as of
12/16/2025
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