YU

Yoshihiro Uchiyama

MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
TA Taisei: 1 patents #56 of 224Top 25%
Overall (All Time): #3,716,991 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5634692 Main-ancillary tunnel excavator Kenichi Kaneko, Toshihiko Bessho, Toshihumi Inoue, Masahiko Sugiyama 1997-06-03