AK

Akiyoshi KIRIMURA

HC Hitachi Construction Machinery Co.: 2 patents #13 of 96Top 15%
Overall (2023): #177,423 of 537,848Top 35%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11789450 Vehicle control system Hirotake Ishii, Tomoyuki Hamada, Hidefumi Ishimoto 2023-10-17
11562864 Safety switch input diagnosis device and work machine using safety switch input diagnosis device Yuichi Kuramochi, Hidefumi Ishimoto 2023-01-24