AT

Ayao Tsuge

MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
Overall (All Time): #4,086,224 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4257819 Method for flushing out a narrow gap Kenji Abe, Yasuhiko Hirao, Keiichi Hori, Masamichi Isono 1981-03-24