Growing community of inventors

Wassenberg, Germany

Roman Josef Jansen

Average Co-Inventor Count = 4.00

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 = 6

Roman Josef JansenGeorg Wagner (1 patent)Roman Josef JansenChristian Stammen (1 patent)Roman Josef JansenOlivier Georg Reinertz (1 patent)Roman Josef JansenRoman Josef Jansen (1 patent)Georg WagnerGeorg Wagner (3 patents)Christian StammenChristian Stammen (1 patent)Olivier Georg ReinertzOlivier Georg Reinertz (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Smjm Inject Gmbh (1 from 2 patents)


1 patent:

1. 8574196 - Anesthetic syringe having a longitudinally displaceable feeding piston and check valve having passage and blocking device

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12/16/2025
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