SI

Seiji Ishida

HI Hitachi: 1 patents #1,533 of 3,950Top 40%
📍 Tsuchiura, JP: #24 of 64 inventorsTop 40%
Overall (2002): #120,517 of 266,432Top 50%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6496397 Inverter device Keijiro Sakai, Toshiaki Okuyama, Kinya Nakatsu, Hiroshi Fujii, Junji Kato +1 more 2002-12-17