HA

Hidetoshi Aizawa

HI Hitachi: 2 patents #771 of 3,950Top 20%
Overall (2002): #63,008 of 266,432Top 25%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6490182 Power conversion apparatus Shuji Katoh, Hiromitsu Sakai, Shigeta Ueda, Tomomichi Ito 2002-12-03
6380796 Semiconductor power converting apparatus Hiromitsu Sakai, Shuji Katoh, Ryuji Iyotani, Masahiro Nagasu 2002-04-30