Growing community of inventors

Basel, Switzerland

Kai Stephan

Average Co-Inventor Count = 8.00

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 = 45

Kai Stephan ↔ Rainer Ponzer (2 patents)Kai Stephan ↔ Bryan James Griffiths (2 patents)Kai Stephan ↔ Samuel Leuenberger (2 patents)Kai Stephan ↔ Robert J Schoutens (2 patents)Kai Stephan ↔ Marcello Memmolo (2 patents)Kai Stephan ↔ Daniela Pricope (2 patents)Kai Stephan ↔ André Schlienger (1 patent)Kai Stephan ↔ Andre Schlienger (1 patent)Kai Stephan ↔ Robert Schoutens (1 patent)Kai Stephan ↔ Bryan Griffiths (1 patent)Kai Stephan ↔ Robert Schoutens (0 patent)Kai Stephan ↔ Marcello Memmolo (0 patent)Kai Stephan ↔ Bryan Griffiths (0 patent)Kai StephanKai Stephan (2 patents)Rainer PonzerRainer Ponzer (18 patents)Bryan James GriffithsBryan James Griffiths (15 patents)Samuel LeuenbergerSamuel Leuenberger (13 patents)Robert J SchoutensRobert J Schoutens (13 patents)Marcello MemmoloMarcello Memmolo (6 patents)Daniela PricopeDaniela Pricope (2 patents)André SchliengerAndré Schlienger (10 patents)Andre SchliengerAndre Schlienger (6 patents)Robert SchoutensRobert Schoutens (1 patent)Bryan GriffithsBryan Griffiths (4 patents)Robert SchoutensRobert Schoutens (0 patent)Marcello MemmoloMarcello Memmolo (0 patent)Bryan GriffithsBryan Griffiths (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Depuy Synthes Products, Inc. (2 from 2,688 patents)

2. Synthes Gmbh (49 patents)


2 patents:

1. 9750552 - Expandable fixation assemblies

2. 8974508 - Expandable fixation assemblies

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12/30/2025
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