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

Shinjirou Yamamoto

HC Hitachi Construction Machinery Co.: 4 patents #9 of 148Top 7%
📍 Ibaraki, JP: #17 of 437 inventorsTop 4%
Overall (2025): #29,520 of 469,880Top 7%
4
Patents 2025

Issued Patents 2025

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12385220 Automated work system Hiroaki Sato, Ryu NARIKAWA, Akira Kanazawa, Kouji Shiwaku 2025-08-12
12331483 Work machine control system Ryu NARIKAWA, Hidekazu Moriki, Shinya Imura 2025-06-17
12325978 Work machine Kento KUMAGAI, Shinya Imura, Yasutaka Tsuruga, Takaaki CHIBA, Hiroaki AMANO +2 more 2025-06-10
12297624 Work machine Kento KUMAGAI, Shinya Imura, Yasutaka Tsuruga, Takaaki CHIBA, Hiroaki AMANO +2 more 2025-05-13