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Hertford, United Kingdom

David Shawn Stewart

Average Co-Inventor Count = 1.41

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

David Shawn StewartRichard Thomas Calhoun Bridges (1 patent)David Shawn StewartGemma Rosalind Lee (1 patent)David Shawn StewartLee James O'Brien (1 patent)David Shawn StewartDavid Shawn Stewart (4 patents)Richard Thomas Calhoun BridgesRichard Thomas Calhoun Bridges (8 patents)Gemma Rosalind LeeGemma Rosalind Lee (4 patents)Lee James O'BrienLee James O'Brien (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Xerox Corporation (4 from 24,198 patents)


4 patents:

1. 8446643 - Method and apparatus for detecting a size and shape of media on which image data is to be printed in an image production device

2. 8448078 - Method and apparatus for selection of default media based on media size in an image production device

3. 8339618 - Method and apparatus for confirming attributes of media loaded in a media tray in an image production device

4. 8123213 - Sheet size detection device

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