Johannes Herrmann

nationality: Germany, Zürich

Commercial register

YQuantum GmbH

Managing director · sole signature · Villigen

since Sep 27, 2024
Hplus Solutions GmbH

Managing director · sole signature · Sarnen

since Oct 17, 2018
JH Holding GmbH

Chair of the executive board · sole signature · Sarnen

since Feb 14, 2012

Trademarks, designs and patents

Quantencomputerkomponenten

Swiss design · 148924 · Designer

Dec 22, 2025