Growing community of inventors

Victoria, Canada

Richard Liggins

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 = 0

Richard LigginsJames A Helliwell (2 patents)Richard LigginsAmanda Malone (2 patents)Richard LigginsRafi Chapanian (2 patents)Richard LigginsRichard Liggins (2 patents)James A HelliwellJames A Helliwell (5 patents)Amanda MaloneAmanda Malone (3 patents)Rafi ChapanianRafi Chapanian (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Eupraxia Pharmaceuticals Inc. (2 from 2 patents)


2 patents:

1. 12485097 - Sustained release of formulations of local anesthetics

2. 11351124 - Sustained release of formulations of local anesthetics

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as of
12/8/2025
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