Growing community of inventors

Herrenberg, Germany

Marcus Spieth

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 = 18

Marcus Spieth ↔ David A Droge (1 patent)Marcus Spieth ↔ Ralf Fischer (1 patent)Marcus SpiethMarcus Spieth (1 patent)David A DrogeDavid A Droge (2 patents)Ralf FischerRalf Fischer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. International Business Machines Corporation (1 from 164,221 patents)


1 patent:

1. 5291028 - Optical device for sensing marks on a surface using green light

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