MO

Masahide Okumura

HI Hitachi: 1 patents #867 of 2,942Top 30%
Overall (1997): #107,903 of 185,788Top 60%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5650631 Electron beam writing system Yasunari Sohda, Yasuhiro Someda, Hidetoshi Satoh, Yoshinori Nakayama, Norio Saitou 1997-07-22