RK

Ryuji Kouno

HC Hitachi Construction Machinery Co.: 2 patents #502 of 1,234Top 45%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #1,418,138 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11396839 Hydraulic drive fan control device Takaaki Tanaka, Masatsugu Arai, Takayuki Sato, Naoki Fukuda, Jun Ikeda 2022-07-26
10107341 Clutch control device for work machine Naoki Fukuda, Tadashi Osaka, Masatsugu Arai, Takanobu Ikari, Takaaki Tanaka 2018-10-23
6566149 Method for manufacturing substrate for inspecting semiconductor device Masatoshi Kanamaru, Atsushi Hosogane, Yoshihige Endou, Hideo Miura, Shinji Tanaka +4 more 2003-05-20