Company Filing History:
7 out of 259 
6 out of 4,888 
3 out of 128 
Years Active: 2006-2025
Title: The Innovative Contributions of Francis Roy
Introduction
Francis Roy, an accomplished inventor based in Les Ulis, France, has made significant strides in the field of electrical engineering. With a total of 12 patents to his name, his innovations are particularly focused on advanced electrical systems that bridge electromobility and renewable energy solutions.
Latest Patents
Among his latest inventions, Francis Roy has developed a "Device for creating a DC voltage bus for a polyphase electrical system." This device is designed to enhance polyphase electrical systems by forming a DC voltage bus with connected battery cell modules, which interface with a DC-to-AC converter. His invention optimizes energy efficiency in motor vehicles and renewable energy generators.
Another notable patent by Roy is the "Method for controlling a battery allowing control of a homogenous current to the cells of a power line." This innovation focuses on managing the control signals in integrated inverters, ensuring uniform current distribution to all cells involved, hence improving performance in electromobility and stationary energy storage applications.
Career Highlights
Throughout his career, Francis Roy has been associated with notable organizations such as Peugeot Citroën Automobiles and the Commissariat à l'Énergie Atomique et aux Énergies Alternatives (CEA). His work at these companies has contributed to the development of cutting-edge technologies in the automotive and energy sectors.
Collaborations
Roy has also collaborated with distinguished colleagues such as Jean-Philippe Poirot-Crouvezier and Daniel Chatroux. Their teamwork has fostered an environment of innovation and led to the successful development of various patented technologies.
Conclusion
Francis Roy’s contributions through his patents underscore his importance in the realm of electrical engineering and renewable energy. With an impressive portfolio and a dedication to advancing technology, Roy continues to be a key figure in shaping the future of electromobility and energy solutions.