Growing community of inventors

Leicester, United Kingdom

Richard George Tunstall

Average Co-Inventor Count = 7.00

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 = 4

Richard George Tunstall ↔ John Griffiths (1 patent)Richard George Tunstall ↔ Stanley Beames Brown (1 patent)Richard George Tunstall ↔ Kirste Joanne Mellish (1 patent)Richard George Tunstall ↔ Cassandra Claire O'Grady (1 patent)Richard George Tunstall ↔ David Ian Vernon (1 patent)Richard George Tunstall ↔ David John Howard Roberts (1 patent)Richard George TunstallRichard George Tunstall (1 patent)John GriffithsJohn Griffiths (19 patents)Stanley Beames BrownStanley Beames Brown (7 patents)Kirste Joanne MellishKirste Joanne Mellish (5 patents)Cassandra Claire O'GradyCassandra Claire O'Grady (5 patents)David Ian VernonDavid Ian Vernon (5 patents)David John Howard RobertsDavid John Howard Roberts (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Photopharmica Limited (1 from 8 patents)


1 patent:

1. 7732439 - Biologically active methylene blue derivatives

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as of
12/8/2025
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