Inventor

MISHINA IBUKI

JP5 patents

⚠️ This page may combine multiple inventors who share the name “MISHINA IBUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

4 patents

US12541538B2Feb 3, 2026

Clustering apparatus, clustering method, and program

NIPPON TELEGRAPH & TELEPHONE0 citations50

US12081655B2Sep 3, 2024

Secret sigmoid function calculation system, secret logistic regression calculation system, secret sigmoid function calculation apparatus, secret logistic regression calculation apparatus, secret sigmoid function calculation method, secret logistic regression calculation method, and program

NIPPON TELEGRAPH & TELEPHONE0 citations50

US12401494B2Aug 26, 2025

Machine learning using secure gradient descent computation

NIPPON TELEGRAPH & TELEPHONE0 citations49

US12095906B2Sep 17, 2024

Secret survival data processing system, secret survival data processing apparatus, secret survival data processing method, and program

NIPPON TELEGRAPH & TELEPHONE0 citations49

NTT INC

1 patent

US12518656B2Jan 6, 2026

Secret sigmoid function calculation system, secret logistic regression calculation system, secret sigmoid function calculation apparatus, secret logistic regression calculation apparatus, secret sigmoid function calculation method, secret logistic regression calculation method and program

NTT INC0 citations50