Growing community of inventors

Sheffield, United Kingdom

John Roberts

Average Co-Inventor Count = 1.75

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 = 3

John Roberts ↔ Ian Leslie Freeston (1 patent)John Roberts ↔ Richard Charles Tozer (1 patent)John Roberts ↔ Ian Christopher Mayes (1 patent)John Roberts ↔ Stephen Richard Blight (1 patent)John Roberts ↔ Anthony Charles Gorvin (1 patent)John Roberts ↔ Francois Jean Djamdjl (1 patent)John RobertsJohn Roberts (2 patents)Ian Leslie FreestonIan Leslie Freeston (2 patents)Richard Charles TozerRichard Charles Tozer (2 patents)Ian Christopher MayesIan Christopher Mayes (1 patent)Stephen Richard BlightStephen Richard Blight (1 patent)Anthony Charles GorvinAnthony Charles Gorvin (1 patent)Francois Jean DjamdjlFrancois Jean Djamdjl (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Jds Uniphase Corporation (1 from 851 patents)

2. University of Sheffield (1 from 99 patents)

3. Bio-rad Microscience Limited (1 from 1 patent)


2 patents:

1. 8901412 - Photovoltaic cell

2. 5797114 - Method and apparatus for mapping of semiconductor materials

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idiyas.com
as of
12/17/2025
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