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Hiroyuki Ezawa

📍 Akishima, JP: #243 of 519 inventorsTop 50%
Overall (All Time): #2,209,277 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6334817 Golf club head Toshiki Oonaka, Sadayoshi Furusawa, Shingo Nomura, Takashi Iihara 2002-01-01
6168537 Golf club head 2001-01-02