JM

Jin Mitsui

SI Sumitomo Heavy Industries: 2 patents #252 of 917Top 30%
Overall (All Time): #2,291,274 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5277040 Circulation type gas purification apparatus and method of operating the same 1994-01-11
5199267 Gas circulation type gas laser apparatus and method of operating the same 1993-04-06