Inventor

CHIKARA SAKAE

JP4 patents

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

NTT INC

2 patents

US12489737B2Dec 2, 2025

Communication system, communication apparatus, method, and program

NTT INC0 citations46

US12542768B2Feb 3, 2026

Key exchange system, server, method, and non-transitory computer-readable recording medium storing program for deploying an intermediate server between the key generation device and the network device

NTT INC0 citations41

KOBAYASHI TETSUTARO

1 patent

US8995660B2Mar 31, 2015

Cryptographic system, cryptographic communication method, encryption apparatus, key generation apparatus, decryption apparatus, content server, program, and storage medium

KOBAYASHI TETSUTARO24 citations88

TAKEUCHI KAKU

1 patent

US8964982B2Feb 24, 2015

Cryptographic system, cryptographic communication method, encryption apparatus, key generation apparatus, decryption apparatus, content server, program, and storage medium

TAKEUCHI KAKU15 citations77