YK

Yutaka Komaru

HC Hitachi Construction Machinery Co.: 2 patents #502 of 1,234Top 45%
Overall (All Time): #2,007,484 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9353813 Wet brake device Naoyuki Okuno, Takashi Niidome 2016-05-31
8956261 Revolving apparatus for construction machine Takashi Niidome 2015-02-17