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

Genroku Sugiyama

HC Hitachi Construction Machinery Co.: 2 patents #26 of 148Top 20%
📍 Ryugasaki, JP: #2 of 4 inventorsTop 50%
Overall (2025): #125,323 of 469,880Top 30%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12371873 Work machine Kento KUMAGAI, Shinya Imura, Yasutaka Tsuruga, Takaaki CHIBA, Hiroaki AMANO +3 more 2025-07-29
12276087 Work machine Kento KUMAGAI, Shinya Imura, Katsuaki Kodaka, Yasutaka Tsuruga, Takaaki CHIBA 2025-04-15