Tohoku University Technology: High-speed computational method for encrypted data: T19-458
Achieving higher computational speed than conventional methods without decryption
This technology is a decryption-free processing method for encrypted data by probability arithmetic way. Conventional FHE (Fully Homomorphic Encryption) method is able to deal with encrypted data, however, the extremely time-consuming computation makes it problematic. This invention utilizes probability arithmetic way for unlimited times of additions and multiplications. Accordingly, the costing time for computation is much decreased compared with conventional methods.
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The revenue generated from technology transfer is reinvested into universities and researchers as new research funding, which is used to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will actively promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by concluding basic technology transfer agreements with the following universities (as of June 1, 2025): - Tohoku University - Hirosaki University - Iwate University - Akita University - Fukushima University - Yamagata University - Tohoku Gakuin University - Iwate Medical University - Fukushima Medical University - Aizu University - Miyagi University - Hokkaido University - Muroran Institute of Technology - Showa Medical University
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