YF

Yasumitsu Fujii

KC Kobelco Construction Machinery Co.: 2 patents #167 of 422Top 40%
KS Kobe Steel: 1 patents #937 of 1,773Top 55%
Overall (All Time): #1,972,685 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9556588 Floor member and working machine Koji Fujikawa, Keiji Yamamoto 2017-01-31
9399855 Construction machine Yoshimune Mori, Kouji Fujikawa 2016-07-26