YI

Yasushi Iyechika

SC Sumitomo Chemical: 1 patents #131 of 368Top 40%
Overall (1994): #50,093 of 165,921Top 35%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5317169 Organic electroluminescence device Tsuyoshi Nakano, Shuji Doi, Takanobu Noguchi, Toshihiro Ohnishi 1994-05-31