Company Filing History:
2 out of 35 
2 out of 3 Years Active: 2025
Title: Innovations by Inventor Ruiqing Zhai
Introduction
Ruiqing Zhai is a notable inventor based in Tianjin, China. He has made significant contributions to the field of cryptographic technology, holding a total of 3 patents. His work focuses on enhancing the security and efficiency of cryptographic chips through innovative fault injection methods.
Latest Patents
One of Ruiqing Zhai's latest patents is the "High-spatial-accuracy electromagnetic fault injection method for cryptographic chip." This method involves adjusting the spatial position of an electromagnetic probe based on the physical structure of the target chip and the characteristics of the integrated circuit. By accurately positioning the probe in three dimensions (X, Y, and Z) and adjusting the angle with respect to the chip's surface, the method allows for more precise electromagnetic fault injection, thereby improving both the pertinence and efficiency of the process.
Another significant patent is the "High-temporal-accuracy power glitch fault injection method and apparatus for cryptographic chip." This invention addresses the timing of power glitch fault injections by considering the rise time of the power glitch fault. By controlling the injection time more accurately, the method reduces the limitations associated with temporal accuracy and increases the success rate of power glitch fault injections.
Career Highlights
Ruiqing Zhai has worked with prominent organizations such as the China Automotive Technology and Research Center Co., Ltd. and China Automotive Chip (Shenzhen) Technology Co., Ltd. His experience in these companies has contributed to his expertise in the field of automotive technology and cryptographic chip development.
Collaborations
Throughout his career, Ruiqing Zhai has collaborated with talented individuals, including Xianzhao Xia and Yujia Li. These collaborations have fostered innovation and advancement in their respective fields.
Conclusion
Ruiqing Zhai's contributions to cryptographic technology through his innovative patents demonstrate his commitment to enhancing security measures in electronic devices. His work continues to influence the industry and pave the way for future advancements.