Growing community of inventors

Salisbury, United Kingdom

David A Tyrrell

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 = 15

David A Tyrrell ↔ John Sidney Oxford (1 patent)David A Tyrrell ↔ Geoffrey C Schild (1 patent)David A Tyrrell ↔ James S Robertson (1 patent)David A TyrrellDavid A Tyrrell (1 patent)John Sidney OxfordJohn Sidney Oxford (4 patents)Geoffrey C SchildGeoffrey C Schild (4 patents)James S RobertsonJames S Robertson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. National Research Development Corporation (1 from 1,200 patents)


1 patent:

1. 5162112 - Influenza vaccine

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as of
12/17/2025
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