Company Filing History:
2 out of 35 
2 out of 3 Years Active: 2025
Title: Changqing Dong: Innovator in Cryptographic Chip Technology
Introduction
Changqing Dong is a prominent inventor based in Tianjin, China. He has made significant contributions to the field of cryptographic chip technology, holding a total of 3 patents. His innovative methods focus on enhancing the accuracy and efficiency of fault injection techniques used in cryptographic chips.
Latest Patents
One of his 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 the chip's surface, the method allows for more precise electromagnetic fault injection, improving both pertinence and efficiency.
Another notable 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 of temporal accuracy and increases the success rate of power glitch fault injections.
Career Highlights
Changqing Dong has worked with several reputable organizations, including 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 cryptographic technology.
Collaborations
Throughout his career, Changqing has collaborated with notable colleagues such as Xianzhao Xia and Yujia Li. These partnerships have further enriched his work and innovations in the industry.
Conclusion
Changqing Dong's contributions to cryptographic chip technology through his innovative patents demonstrate his commitment to advancing the field. His work not only enhances the security of cryptographic systems but also sets a foundation for future developments in the industry.