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

Seiji Hijikata

HC Hitachi Construction Machinery Co.: 2 patents #26 of 148Top 20%
📍 Tsukuba, JP: #15 of 217 inventorsTop 7%
Overall (2025): #88,357 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12320098 Work machine Yasutaka Tsuruga, Masatoshi Hoshino, Shou Furukawa, Ryou Yagisawa 2025-06-03
12312770 Construction machine Yasutaka Tsuruga, Masatoshi Hoshino, Ryou Yagisawa 2025-05-27