Company Filing History:
3 out of 998 
1 out of 750 
1 out of 2,426 
Years Active: 1999-2022
Title: Pierre Guillemin: Innovator in Microprocessor Security
Introduction
Pierre Guillemin, an accomplished inventor based in Marseilles, France, has made significant contributions to the field of microprocessor technology. With a commendable portfolio of five patents, Guillemin's work primarily focuses on enhancing the security features of microprocessors. His innovative approaches seek to mitigate vulnerabilities and improve data integrity in electronic systems.
Latest Patents
Among Guillemin's recent inventions is a patent titled "Modification of a memory of a secure microprocessor." This patent outlines a method for modifying the content of a microprocessor's memory through secure verification processes. The invention involves accessing and verifying data associated with modification requests while ensuring that the authenticity of the data is maintained via asymmetric cipher algorithms. Such a method is crucial for preserving the confidentiality and reliability of services exposed by microprocessors.
Another remarkable patent is "Stack overflow protection by monitoring addresses of a stack of multi-bit protection codes." This innovation introduces a hardware monitor circuit that detects anomalies in address readings on the processing unit's stack structure. By generating multi-bit protection codes and employing error detection mechanisms, the microprocessor can enter a secure mode, thereby enhancing its resilience against stack overflow attacks.
Career Highlights
Pierre Guillemin has had an impressive career, having worked with notable companies such as STMicroelectronics (Rousset) SAS and SGS-Thomson Microelectronics S.A. His experiences at these companies have allowed him to develop and refine his innovative ideas in microprocessor technology and security applications.
Collaborations
Throughout his professional journey, Guillemin has collaborated with esteemed colleagues, including Yannick Teglia and William Orlando. Working alongside such talented individuals has fostered a collaborative environment that has greatly contributed to the development of advanced microprocessor technologies.
Conclusion
Pierre Guillemin's contributions to the field of microprocessor security through his innovative patents demonstrate his commitment to advancing technology. His inventions not only provide enhanced protection against vulnerabilities but also pave the way for more secure electronic systems. As technology continues to evolve, Guillemin's work will undoubtedly play a critical role in shaping the future of microprocessor security.