SK

Susumu Kakumoto

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #4,068,818 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4326777 Electrochromic display device Rikusei Kohara, Takashi Aoyama, Masami Shoji, Mutsuaki Shinagawa 1982-04-27