KK

Kiyohiko Koe

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
📍 Kasai, JP: #2,743 of 5,842 inventorsTop 50%
Overall (All Time): #2,347,054 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4574950 Wafer box Jun Yamaguchi, Noboru Kubo, Hiroshi Matsumoto, Mamoru Sugimoto, Keiji Fukumura 1986-03-11
4488930 Process for producing circular gallium arsenide wafer 1984-12-18