Patents

Registered

  1. Jong-Seon No, Young-Sik Kim, and Joon-Woo Lee, ”Electronic device for sorting homomorphic ciphertext using shell sorting and operating method thereof,” Korean patent, No. 10-2361327, 20220207 (application No. 1020200064744, 20210513).

  2. Jong-Seon No, Eunsang Lee, Joon-Woo Lee, and Young-Sik Kim, ”Electronic apparatus, control method thereof and server,” accepted to be registered for Korean patent, application No. 1020200149677, 20201110.

Applied

  1. Jong-Seon No, Yong-Woo Lee, Joon-Woo Lee, and Young-Sik Kim, ”Method of finding approximate polynomial for modulus reduction for bootstrapping of fully homomorphic encryption on the complex numbers using convex optimization,” US patent, application No. 63/010812, 20200416.

  2. Jong-Seon No, Young-Sik Kim, Joon-Woo Lee, Eun-Sang Lee, and Yong-Woo Lee, ”Improvement of bootstrapping for real-valued homomorphic encryption by composition of approximate polynomials of trigonometric functions and inverse trigonometric functions,” US patent, application No. 63/013706, 20200422.

  3. Jong-Seon No, Young-Sik Kim, Joon-Woo Lee, Eun-Sang Lee, and Yong-Woo Lee, ”Optimal minimax polynomial approximation of modular reduction for bootstrapping of approximate homomorphic encryption,” US patent, application No. 63/021761, 20200508.

  4. Jong-Seon No, Yong-Woo Lee, Eun-Sang Lee, Joon-Woo Lee, and Young-Sik Kim, ”Method of reduction of the number of multiplications between ciphertexts for polynomials with odd degree terms,” US patent, application No. 63/021761, 20200508.

  5. Jong-Seon No, Eunsang Lee, Joon-Woo Lee, and Young-Sik Kim, ”Method and apparatus for processing ciphertext based on homogeneous encryption,” Japan patent, application No. 2021-067688, 20210413, China patent application No. 202110257766.8, 20210309, US patent, application No. 17/172,643, 20210210.

  6. Jong-Seon No, Joon-Woo Lee, Eunsang Lee, Yong-Woo Lee, and Young-Sik Kim, ”Encryption method and apparatus based on homomorphic encryption using odd function property,” China patent, application No. 202110380217.X, 20210408, US patent, application No. 17/192,162, 20210304.

  7. Jong-Seon No, Joon-Woo Lee, Eunsang Lee, Yong-Woo Lee, and Young-Sik Kim, ”Encryption method and apparatus using homomorphic encryption,” Japan patent, application No. 2021-077713, 20210430, China patent, application No. 202110400670.2, 20210414, US patent application No. 17/218,790, 20210331.

  8. Jong-Seon No, Young-Sik Kim, and Joon-Woo Lee, ”Electronic device for sorting homomorphic ciphertext using shell sorting and operating method thereof,” US patent, application No. 17/320,181, 20210513. • Jong-Seon No, Eunsang Lee, Joon-Woo Lee, and Young-Sik Kim, ”Electronic apparatus, control method thereof and server,” US patent, application No. 17/367252, 20210702.

  9. Jong-Seon No, Young-Sik Kim, Joon-Woo Lee, Eunsang Lee, Junghyun Lee, Wooseok Choi, “Apparatus and method of convolution operation using homomorphic encryption packing structure,” Republic of Korea, application No. 1020210176040, 20211209.

  10. Jong-Seon No, Young-Sik Kim, Joon-Woo Lee, “Method of authorization for homomorphic rotation key generation using master rotation key,” Repulic of Korea, No. 1020220017596, 20220210.

  11. Jong-Seon No, Young-Sik Kim, Joon-Woo Lee, “Key management server system for homomorphic cryptographic operation,” Republic of Korea, No. 1020220017597, 20220210.

  12. Jong-Seon No, Young-Sik Kim, Jahyun Koo, Joon-Woo Lee, “Generation of multiplication key that reuses error in multi-key homomorphic encryption and its operation method,” Republic of Korea, No. 1020220024657, 20220224.