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Yoshimi Numata

HZ Hitachi Zosen: 2 patents #121 of 531Top 25%
📍 Nagasu, JP: #1 of 2 inventorsTop 50%
Overall (All Time): #2,346,653 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4570388 Apparatus for abrasive cleaning Hiroshi Tano, Masanobu Takahashi, Minoru Shiraishi, Norio Urata, Tatsuo Kawano +1 more 1986-02-18
4532878 Apparatus for abrasive cleaning Minoru Shiraishi, Hiroshi Tano, Tatsumi Onaka 1985-08-06