HS

Hiroki Sugawara

HC Hitachi Construction Machinery Co.: 1 patents #56 of 127Top 45%
UC Usui Co.: 1 patents #1 of 17Top 6%
Overall (2020): #167,777 of 565,922Top 30%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10670089 External control type fan clutch device 2020-06-02
D875143 Excavator Shigehisa Hagura, Atsushi Ninomiya, Masao Kariya, Hayato Kubota 2020-02-11