Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
KD

Kazuaki Doi

KT Kabushiki Kaisha Toshiba: 1 patents #285 of 861Top 35%
📍 Ota, JP: #63 of 148 inventorsTop 45%
Overall (2025): #325,393 of 469,880Top 70%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12198167 Quantum cryptographic device, quantum cryptographic communication fee calculation system, and quantum cryptographic communication fee calculation method Mamiko Kujiraoka, Yoshimichi Tanizawa, Hideaki Sato, Ririka Takahashi, Akira Murakami 2025-01-14