HT

Hidemi Tsutsumi

ML Mitsui Mining Company, Limited: 3 patents #6 of 92Top 7%
Overall (All Time): #1,650,076 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5392738 Steam generator for a steam bath — 1995-02-28
5333573 Steam generator for a steam bath — 1994-08-02
5215043 Steam generator for a steam bath — 1993-06-01