YH

Yuuzou Hayashi

IC Irie Koken Co.: 1 patents #6 of 13Top 50%
Overall (All Time): #3,510,915 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6561484 Gate valve Masaharu Nakagawa, Hiroshi Minamoto, Manabu Yabe, Norikimi Irie 2003-05-13