JK

Jyoji Karasawa

SO Sony: 3 patents #10,744 of 25,231Top 45%
Overall (All Time): #1,645,573 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5697823 Electron gun of CRT and manufacturing method therefor Masataka Santoku, Daichi Imabayashi 1997-12-16
5514930 Electron gun of CRT and manufacturing method therefor Masataka Santoku, Daichi Imabayashi 1996-05-07
5424606 Cathode assembly and an electron gun having the same Masataka Santoku, Daichi Imabayashi 1995-06-13