Ingemar Holm

Title: Ingemar Holm: Innovator in Secure Chip Technology

Introduction

Ingemar Holm is a notable inventor based in Stuttgart, Germany. He has made significant contributions to the field of secure chip technology, holding a total of 10 patents. His work focuses on enhancing the security and efficiency of processor chips, which are critical components in modern electronics.

Latest Patents

One of Holm's latest patents is the "Secure Power-on Reset Engine." This invention provides a secure initialization process for processor chips, ensuring that secure code execution is guaranteed. The design limits external access to chip resources, allowing only a few targeted settings that do not compromise security. The power-on reset engine includes a small state machine that runs a predefined sequence coded in persistent memory, initializing the chip while managing encryption keys to verify the integrity of the code.

Another significant patent is the "High Speed On-Chip Serial Link Apparatus." This invention transforms an external low-speed industry standard interface into a high-speed serial link (HSSL) on the chip. The converter is strategically placed near the external interface, allowing the HSSL to operate at system clock speed. This innovation reduces complexity and silicon area, enabling maximum speed for serial interfaces, which is essential for power-on-reset, manufacturing testing, and chip debugging.

Career Highlights

Ingemar Holm has built a distinguished career at the International Business Machines Corporation (IBM). His work has been pivotal in advancing secure chip technologies, making significant impacts in the industry. His innovative designs have contributed to the development of more secure and efficient electronic devices.

Collaborations

Holm has collaborated with notable colleagues, including Mack Wayne Riley and Ralph C. Koester. These partnerships have fostered a creative environment that has led to groundbreaking advancements in chip technology.

Conclusion

Ingemar Holm's contributions to secure chip technology through his patents and collaborations have established him as a leading inventor in the field. His work continues to influence the design and security of modern electronic devices.