HO

Hisajiro Osada

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,346,587 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4569592 Plasma monitor Yutaka Hiratsuka 1986-02-11
4541718 Plasma monitoring method and plasma monitor Yutaka Hiratsuka, Masahiro Watanabe 1985-09-17