HU

Hisashi Ukai

EL Enshu Limited: 2 patents #4 of 22Top 20%
Overall (All Time): #2,224,046 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6200198 Method of cutting of metal materials and non-metal materials in a non-combustible gas atmosphere Takayuki Suzuki, Toshiyuki Suzuki 2001-03-13
6135862 Nitrogen gas supply system for dry-cut working machine Toshiyuki Suzuki, Takayuki Suzuki 2000-10-24