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

Hirotaka UJIKAWA

NT NTT: 3 patents #94 of 767Top 15%
Overall (2025): #60,503 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12225333 Optical communication system, monitoring device, and monitoring method Tomoya HATANO, Yuka OKAMOTO, Sei KOU 2025-02-11
12206456 Wavelength multiplexing communication system and wavelength multiplexing communication method Rintaro Harada, Shin KANEKO, Jun Terada 2025-01-21
12191985 Communication control device, communication method, communication system and communication program Takamitsu TOCHINO, Hirotaka Nakamura 2025-01-07