TO

Tadao Okabe

HI Hitachi: 1 patents #311 of 1,214Top 30%
Overall (1982): #28,905 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4333040 Gas discharge display device Yukio Okamoto, Eisuke Mitani, Atsushi Sumioka 1982-06-01