Growing community of inventors

Sheffield, United Kingdom

Lee Michael Chapman

Average Co-Inventor Count = 3.00

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 = 5

Lee Michael Chapman ↔ Christopher Gardner (1 patent)Lee Michael Chapman ↔ Barry Marshall (1 patent)Lee Michael ChapmanLee Michael Chapman (1 patent)Christopher GardnerChristopher Gardner (12 patents)Barry MarshallBarry Marshall (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Pandrol Limited (1 from 77 patents)


1 patent:

1. 6923381 - Railway rail fastening clip and assembly

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