SK

Seiji Kiyokawa

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #3,984,768 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4704002 Dot matrix display panel with a thin film transistor and method of manufacturing same Isako Kikuchi, Isao Ota, Mamoru Takeda 1987-11-03