Growing community of inventors

Surrey, United Kingdom

Derek Roberts

Average Co-Inventor Count = 8.00

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 = 2

Derek RobertsAlfred Vincent Spencer (1 patent)Derek RobertsEdward Awty (1 patent)Derek RobertsCharanjit Singh Nandra (1 patent)Derek RobertsPaul Frobisher (1 patent)Derek RobertsMichael Newnham (1 patent)Derek RobertsRichard Harbutt (1 patent)Derek RobertsJane Nicholls (1 patent)Derek RobertsDerek Roberts (1 patent)Alfred Vincent SpencerAlfred Vincent Spencer (18 patents)Edward AwtyEdward Awty (6 patents)Charanjit Singh NandraCharanjit Singh Nandra (4 patents)Paul FrobisherPaul Frobisher (3 patents)Michael NewnhamMichael Newnham (1 patent)Richard HarbuttRichard Harbutt (1 patent)Jane NichollsJane Nicholls (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. British American Tobacco (investments) Limited (1 from 394 patents)


1 patent:

1. 9516895 - Additive release component

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as of
12/15/2025
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