HI

Hiroshi Itahana

HI Hitachi: 1 patents #867 of 2,942Top 30%
HC Hitachi Mito Engineering Co.: 1 patents #1 of 3Top 35%
📍 Hitachinaka, JP: #65 of 230 inventorsTop 30%
Overall (1997): #142,091 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5638266 Free wheel diode arrangement for neutral point clamped electric power conversion apparatus Akira Horie, Syuuji Saitou 1997-06-10