Company Filing History:
2 out of 8 
2 out of 2 
1 out of 15 Years Active: 1990-1993
Title: The Innovations of Louis Dugrand: A Pioneer in Semiconductor Technology
Introduction
Louis Dugrand is a notable inventor based in Chelles, France, recognized for his contributions to semiconductor technology. With a portfolio of five patents, his work has significantly impacted the field of materials science and electronic engineering. His innovative approaches have led to advanced methods for producing and isolating semiconductor devices.
Latest Patents
Among his latest inventions, Dugrand has developed a "Process for the selective epitaxy and etching of a III-V material." This intricate process involves depositing a mask layer onto a III-V or II-VI material, followed by etching to create openings for the epitaxy of semiconductor layers. Using a specialized OMCVD frame, this technique allows for the simultaneous exposure of the material to chemical vapours essential for forming the desired semiconductor layers. Additionally, Dugrand's patent titled "Method of producing a quasi-flat semiconductor device capable of a multiwavelength laser effect" focuses on creating device architectures with improved performance characteristics. This invention features substrates with double heterostructure stacks, enhancing the operation of multiwavelength laser effects through precise structural designs.
Career Highlights
Dugrand's professional journey includes significant tenures at notable institutions such as L'État Français, where he worked under the direction of the Minister of Posts and Telecommunications. His career showcases both technical ingenuity and leadership within the semiconductor domain, contributing to advancements that align with the evolving landscape of technology.
Collaborations
Throughout his career, Louis Dugrand has collaborated with esteemed colleagues such as Louis Menigaux and Rosette Azoulay, sharing ideas and fostering a collegial environment that has enriched his scientific endeavors. These collaborations have not only broadened his perspective but also facilitated the merging of diverse expertise, leading to groundbreaking innovations.
Conclusion
In summary, Louis Dugrand's inventive spirit and profound knowledge in semiconductor technology have resulted in significant patents that enhance the functionality of electronic devices. His dedication to research and collaboration continues to inspire future generations of engineers and inventors, ensuring that his legacy will resonate in the world of innovation for years to come.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.