RN

Ryu NARIKAWA

HC Hitachi Construction Machinery Co.: 3 patents #17 of 148Top 15%
Overall (2025): #48,438 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12385220 Automated work system Hiroaki Sato, Akira Kanazawa, Shinjirou Yamamoto, Kouji Shiwaku 2025-08-12
12331483 Work machine control system Hidekazu Moriki, Shinya Imura, Shinjirou Yamamoto 2025-06-17
12264452 Work machine Kouji Fujita, Hideaki Itou, Hidefumi Ishimoto, Teppei SAITOH, Tadashi NISHIZAWA 2025-04-01