JN

Jun Niinuma

📍 Nagara, JP: #9 of 21 inventorsTop 45%
Overall (All Time): #2,272,310 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5656183 Repairing method with welding and build-up welding apparatus for metal member — 1997-08-12
5378867 Repairing method with welding, welding method and welding apparatus for metal member — 1995-01-03