NF

Naoki Fukuda

HC Hitachi Construction Machinery Co.: 2 patents #21 of 149Top 15%
Overall (2022): #126,245 of 548,613Top 25%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11396839 Hydraulic drive fan control device Takaaki Tanaka, Masatsugu Arai, Takayuki Sato, Jun Ikeda, Ryuji Kouno 2022-07-26
11332115 Power regeneration system of work vehicle Shintarou TANAKA, Masatsugu Arai, Takaaki Tanaka, Yukiaki Shimizu 2022-05-17