Company Filing History:
19 out of 672 
4 out of 190 
2 out of 182 
Years Active: 1993-2020
Title: Innovations by Dieter Stein in Document Verification Technologies
Introduction
Dieter Stein, an esteemed inventor based in Holzkirchen, Germany, holds an impressive portfolio of 26 patents. His groundbreaking work primarily focuses on the verification and fitness assessment of value documents, introducing innovative methods and devices that significantly enhance security in financial transactions.
Latest Patents
Among his notable inventions are a "Device and method for checking value documents for marking ink" and a "Method and device for fitness testing of value documents." The first invention involves a robust apparatus featuring first and second sensors, capable of detecting electromagnetic radiation and sound waves from value documents. This sophisticated setup enables precise identification of marking inks by evaluating the characteristics of the document.
The second patent addresses the fitness assessment of currency notes and similar valuable documents. Stein's method utilizes an "unfit function" to quantify the condition of each document based on multiple criteria. It establishes threshold values that delineate between fitness and unfitness, providing a systematic approach to classify documents based on their condition.
Career Highlights
Dieter Stein's professional journey includes tenure at Giesecke & Devrient GmbH and Giesecke+Devrient Currency Technology GmbH, both leading firms in the currency technology sector. Through these experiences, he has contributed to the development of advanced solutions in the field of document security and verification.
Collaborations
During his career, Stein has collaborated with accomplished professionals, including Norbert Holl and Bernd Wunderer. These partnerships have undoubtedly enriched his inventive pursuits, leading to valuable contributions in document authentication technologies.
Conclusion
Dieter Stein continues to be a pivotal figure in the realm of innovations related to value document verification. His patents not only reflect his expertise as an inventor but also underscore the importance of security in today's financial landscape. The advancements spearheaded by Stein will likely influence future developments in document technology, safeguarding transactions worldwide.