TO

Takahiro Onai

HI Hitachi: 1 patents #867 of 2,942Top 30%
Overall (1997): #71,150 of 185,788Top 40%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5598015 Hetero-junction bipolar transistor and semiconductor devices using the same Tomonori Tanoue, Hiroshi Masuda, Tohru Nakamura, Katsuyoshi Washio 1997-01-28