Growing community of inventors

Stevenage, United Kingdom

Derek Norman Evans

Average Co-Inventor Count = 3.75

ph-index = 2

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 = 12

Derek Norman Evans ↔ Keith Biggadike (1 patent)Derek Norman Evans ↔ Richard Peter Charles Cousins (1 patent)Derek Norman Evans ↔ Philip Blatcher (1 patent)Derek Norman Evans ↔ Barrie E Kirk (1 patent)Derek Norman Evans ↔ David A Borthwick (1 patent)Derek Norman Evans ↔ Leslie Stephenson (1 patent)Derek Norman EvansDerek Norman Evans (2 patents)Keith BiggadikeKeith Biggadike (51 patents)Richard Peter Charles CousinsRichard Peter Charles Cousins (7 patents)Philip BlatcherPhilip Blatcher (6 patents)Barrie E KirkBarrie E Kirk (3 patents)David A BorthwickDavid A Borthwick (1 patent)Leslie StephensonLeslie Stephenson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Glaxo Group Limited (2 from 1,168 patents)


2 patents:

1. 7737126 - Purine derivative

2. 4857531 - Guanine derivatives

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/16/2025
Loading…