RN

Ryu NARIKAWA

HC Hitachi Construction Machinery Co.: 3 patents #7 of 96Top 8%
Overall (2023): #62,836 of 537,848Top 15%
3
Patents 2023

Issued Patents 2023

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11668069 Construction machine Shinji Ishihara, Hiroshi Sakamoto, Hidekazu Moriki 2023-06-06
11649612 Work machine Hiroshi Sakamoto, Hidekazu Moriki, Shinji Ishihara 2023-05-16
11639593 Work machine Shuuichi MEGURIYA, Hiroki Takeuchi 2023-05-02