YS

Yoshitaka Sugawara

HI Hitachi: 2 patents #339 of 2,942Top 15%
HC Hitachi Haramachi Electronics Co.: 1 patents #1 of 13Top 8%
Overall (1997): #18,919 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5631494 Power semiconductor device with low on-state voltage Naoki Sakurai 1997-05-20
5608236 Semiconductor device Hidetoshi Arakawa, Masamitsu Inaba 1997-03-04