This inventor holds 1 USPTO granted patent and 3 published patent applications. Top assignees: Ce Cell Engineering Gmbh, Hanwha Q Cells Gmbh. Active years: 2026.
Company Filing History:

Years Active: 2026
Title: Janko Cieslak: Innovator in Solar Cell Technology
Introduction
Janko Cieslak is a notable inventor based in Bitterfeld-Wolfen, Germany. He has made significant contributions to the field of solar energy, particularly in the development of multi-junction solar cells. His innovative approach has led to advancements that enhance the efficiency and performance of solar technology.
Latest Patents
Cieslak holds a patent for a "Method for improving contact resistance of a multi-junction solar cell." This method involves several steps, including delivering the solar cell with front and back contacts in various forms, connecting regions of the back contact to a voltage source, and applying a controlled voltage to induce current in the solar cell. This innovative technique aims to improve the overall efficiency of solar cells by optimizing their contact resistance.
Career Highlights
Throughout his career, Janko Cieslak has worked with prominent companies in the solar industry, including Hanwha Q Cells GmbH and Ce Cell Engineering GmbH. His experience in these organizations has allowed him to collaborate with leading experts in the field and contribute to groundbreaking advancements in solar technology.
Collaborations
Cieslak has worked alongside talented individuals such as Eve Krassowski and Florian Stenzel. These collaborations have fostered an environment of innovation and creativity, leading to the development of new technologies in solar energy.
Conclusion
Janko Cieslak's contributions to solar cell technology exemplify the impact of innovative thinking in the renewable energy sector. His patent and career achievements highlight the importance of continuous improvement in solar energy solutions.