Company Filing History:
1 out of 1 
1 out of 2 
1 out of 3 Years Active: 1989-1991
Title: Innovations by Hans-Ludwig Graf
Introduction
Hans-Ludwig Graf is a notable inventor based in Leipzig, Germany. He has made significant contributions to the field of medical implants, holding a total of 3 patents. His work focuses on developing advanced solutions for dental and orthopedic applications.
Latest Patents
One of his latest patents is the "Active Implant," designed for use in medicine, particularly for tooth implants and endoprostheses. This innovative implant influences the growth mechanisms of bone and is intended to remain in place for an extended period. The active implant features a base and flexible structures embedded with an oxide that contains growth stimulators, along with a stable p-n junction.
Another significant patent is the "Ceramic-Coated Metal Implants." This implant is utilized in medicine as a hemiprosthesis or endoprosthesis. It consists of a metal implant base body with a surface comprised of a barrier layer metal. The surface roughness is enhanced through various pretreatment methods, increasing the effective surface area by over 400%. Anodic oxidation through spark discharge in aqueous electrolytes converts the roughened barrier layer metal into a ceramic layer, which promotes bone integration and healing.
Career Highlights
Hans-Ludwig Graf has worked with esteemed institutions such as Technische Universität Karl-Marx-Stadt and Technische Hochschule Karl-Marx-Stadt. His experience in these organizations has contributed to his expertise in the development of innovative medical implants.
Collaborations
Throughout his career, Graf has collaborated with notable colleagues, including Peter Kurze and Waldemar Krysmann. These partnerships have fostered a collaborative environment for innovation in medical technology.
Conclusion
Hans-Ludwig Graf's contributions to the field of medical implants demonstrate his commitment to advancing healthcare technology. His innovative patents reflect a deep understanding of material science and biological integration, paving the way for future developments in the industry.