Growing community of inventors

Vancouver, Canada

Michael David Stonefield

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 = 114

Michael David Stonefield ↔ Joseph Yan (1 patent)Michael David Stonefield ↔ Robert David Bower (1 patent)Michael David StonefieldMichael David Stonefield (1 patent)Joseph YanJoseph Yan (3 patents)Robert David BowerRobert David Bower (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Qlt Phototherapeutics, Inc. (1 from 15 patents)


1 patent:

1. 6086558 - Balloon catheter for photodynamic therapy

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as of
1/14/2026
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