SS

Shoji Shirai

HI Hitachi: 1 patents #1,316 of 3,771Top 35%
HC Hitachi Electronic Devices Co.: 1 patents #4 of 13Top 35%
Overall (2004): #115,169 of 270,089Top 45%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6741020 Cathode ray, tube including an electron gun having specific relation of axial length of focus electrode and focus electrode-screen distance Shoichi Wakita, Yasuo Tanaka, Toshio Nakayama, Nobuyuki Suzuki 2004-05-25