HS

Hisao Sugiyama

Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
Overall (All Time): #2,337,685 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4769521 Small TIG-arc welding torch — 1988-09-06
4756463 Automatic welding machine with torch carriage backlash preventing mechanism — 1988-07-12