HY

Hajime Yoshii

HZ Hitachi Zosen: 1 patents #13 of 38Top 35%
Overall (2002): #209,251 of 266,432Top 80%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6408761 Blasting apparatus Hiroaki Arai, Hidehiko Maehata, Toshiaki Enomoto, Taisuke Ishihara 2002-06-25