TO

Toshiaki Okuyama

HI Hitachi: 2 patents #478 of 3,189Top 15%
Overall (2005): #30,990 of 245,428Top 15%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6844700 Inverter apparatus Keijiro Sakai, Kinya Nakatsu, Hiroyuki Tomita, Junji Kato, Teiichi Furukawa 2005-01-18
6841911 Machine tool Houng Joong Kim 2005-01-11