Growing community of inventors

Surrey, United Kingdom

Andrew Johnson

Average Co-Inventor Count = 5.00

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 = 27

Andrew JohnsonDavid Alan Woodfield (2 patents)Andrew JohnsonDavid Robert Weston (2 patents)Andrew JohnsonAnthony Stephen Walton (2 patents)Andrew JohnsonAndrew James Copper (2 patents)Andrew JohnsonAndrew Johnson (2 patents)David Alan WoodfieldDavid Alan Woodfield (5 patents)David Robert WestonDavid Robert Weston (5 patents)Anthony Stephen WaltonAnthony Stephen Walton (2 patents)Andrew James CopperAndrew James Copper (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Two Way Tv Limited (2 from 7 patents)


2 patents:

1. 6515992 - Method and apparatus for input of data

2. 6301243 - Method and apparatus for transmitting data

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as of
12/13/2025
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