Growing community of inventors

Ottawa, Canada

David A Caughey

Average Co-Inventor Count = 1.00

ph-index = 3

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 = 169

David A CaugheyDavid A Caughey (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Goodcontacts Research Ltd. (3 from 4 patents)

2. Counterpath Corporation (1 from 5 patents)


4 patents:

1. 8542673 - Multimedia interactive telephony services

2. 7412487 - Method and system for tracking receipt of electronic message

3. 7334020 - Automatic highlighting of new electronic message address

4. 7228335 - Method of automatically populating contact information fields for a new contract added to an electronic contact database

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as of
1/13/2026
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