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

Kouji Shiwaku

HC Hitachi Construction Machinery Co.: 2 patents #26 of 148Top 20%
📍 Ibaraki, JP: #48 of 437 inventorsTop 15%
Overall (2025): #108,580 of 469,880Top 25%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12385220 Automated work system Hiroaki Sato, Ryu NARIKAWA, Akira Kanazawa, Shinjirou Yamamoto 2025-08-12
12371874 Work machine Satoshi Nakamura, Shinya Imura 2025-07-29