This inventor holds 39 USPTO granted patents and 18 published patent applications and 6 EPO patents, primarily in Homomorphic Encryption. Top assignees: Crypto Lab Inc., Seoul National University, Samsung Sds Co., Ltd.. Active years: 2011-2026.
Location History:
- Gwacheon-si, KR (2015 - 2016)
- Seoul, KR (2011 - 2024)
Company Filing History:
23 out of 40 
14 out of 1,766 
6 out of 404 
Years Active: 2011-2026
Areas of Expertise:
Title: Jung Hee Cheon: Innovator in Encrypted Data Processing
Introduction
Jung Hee Cheon is a prominent inventor based in Seoul, South Korea, notable for his contributions to the field of encrypted data processing. With a remarkable portfolio of 27 patents, Cheon is recognized for his innovative approaches to handling large-scale encrypted information.
Latest Patents
Among his latest inventions, Cheon has developed a practical sorting method for large-scale encrypted data. This patented calculation device includes a memory that stores multiple homomorphic ciphertexts for an approximate message, which may contain errors. Furthermore, it employs a 5-way sorter capable of sorting five homomorphic ciphertexts simultaneously in a single stage.
Another significant innovation from Cheon is related to operating devices and methods utilizing multivariate packing. This method enhances encoding by receiving various messages and transforming them into a polynomial defined by multivariates, followed by encrypting this polynomial to create a homomorphic ciphertext. This approach allows for multidimensional packing of messages, significantly reducing the complexity of matrix multiplication for ciphertexts.
Career Highlights
Cheon's career includes vital roles at leading organizations such as Crypto Lab Inc. and the Seoul National University R&DB Foundation. His work has been characterized by a commitment to advancing the field of cryptography and encrypted data processing, contributing significantly to how data security is approached today.
Collaborations
Throughout his career, Jung Hee Cheon has collaborated with notable colleagues, including Hyo Jin Yoon and Duhyeong Kim. These partnerships have facilitated the development of groundbreaking technologies, pushing the boundaries of what is possible in the realm of secure data processing.
Conclusion
Jung Hee Cheon stands out as an influential inventor in the field of encrypted data processing, with a robust portfolio of patents that exemplify his innovative spirit. His recent work in sorting and encoding data reinforces his role as a key player in advancing technology, particularly in areas requiring high levels of security and efficiency.