SI

Shinji Ishihara

HC Hitachi Construction Machinery Co.: 2 patents #13 of 96Top 15%
Overall (2023): #109,237 of 537,848Top 25%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11668069 Construction machine Hiroshi Sakamoto, Hidekazu Moriki, Ryu NARIKAWA 2023-06-06
11649612 Work machine Ryu NARIKAWA, Hiroshi Sakamoto, Hidekazu Moriki 2023-05-16