TS

Toshihiko Shichijyo

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
📍 Kasai, JP: #2,743 of 5,842 inventorsTop 50%
Overall (All Time): #2,164,109 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6984929 Color picture tube apparatus with pincushion distortion correction Etsuji Tagami 2006-01-10
6304044 Color display tube device Etsuiji Tagami, Katsuyo Iwasaki 2001-10-16