YA

Yasuyuki Azuma

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,498,287 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6833107 Heat-treating furnace with magnetic field and heat treatment method using same Yoshihiko Kuriyama, Makoto Ushijima 2004-12-21