This inventor holds 11 USPTO granted patents and 5 published patent applications and 10 EPO patents. Top assignees: Merck Patent Gmbh, Seoul Semiconductor Co., Ltd., Litec-Vermogensverwaltungsgesellschaft Mbh. Active years: 2012-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Griefswald, DE (2013)
- Greifswald, DE (2012 - 2024)
Company Filing History:

Years Active: 2012-2026
Title: Innovations of Inventor Stefan Tews
Introduction
Stefan Tews is a notable inventor based in Greifswald, Germany, recognized for his significant contributions in the field of luminescent materials and solid-state lighting technologies. With a portfolio of 10 patents, Tews has made remarkable advancements that leverage innovative materials for various applications in the lighting industry.
Latest Patents
Among his recent patents, Tews has developed "Color stable Mn-activated oxidofluorides as conversion luminescent materials for LED-based solid state light sources." This invention involves a compound represented by the formula (I): ABFMTOF doped with Mn(IV), where A includes elements like Li, Na, and Rb among others. Additionally, he has also patented "Phosphors and phosphor-converted LEDs," which focuses on alkaline earth aluminate phosphors, providing processes for their preparation and highlighting their use as conversion phosphors in light sources, particularly phosphor converted light-emitting devices (pc-LEDs).
Career Highlights
Stefan Tews has contributed to the advancement of technology by working with prominent companies in the industry, including Merck Patent GmbH and Seoul Semiconductor Co., Ltd. His innovative work in luminescent materials and phosphors has solidified his reputation as a leading figure in the development of efficient lighting solutions.
Collaborations
Throughout his career, Tews has collaborated with distinguished professionals, including Ralf Petry and Chung Hoon Lee. These partnerships have played a crucial role in the success and evolution of his innovative projects.
Conclusion
Stefan Tews continues to push the boundaries of innovation in the lighting industry through his inventive approaches and commitment to developing advanced materials. His contributions significantly enhance the efficiency and performance of light sources, marking him as a pivotal inventor in modern lighting technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile