JR

Joonyoung Roh

HC Hitachi Construction Machinery Co.: 2 patents #21 of 149Top 15%
Overall (2022): #144,032 of 548,613Top 30%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11427984 Work machine Kunitsugu Tomita, Satoshi Nakamura 2022-08-30
11306460 Work machine Satoshi Nakamura, Kunitsugu Tomita, Youhei TORIYAMA 2022-04-19