RS

Ryuichi Shingae

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,588,185 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7238458 Photo conductor, image forming apparatus, and method for producing photo conductor Yukimasa Kuramoto, Sotoshi Takimoto 2007-07-03
6989201 Thin film EL device Tetsuya Satou, Mikiko Matsuo, Hisanori Sugiura, Hitoshi Hisada, Yoshinobu Murakami 2006-01-24
6682832 Thin film el device Tetsuya Satou, Mikiko Matsuo, Hisanori Sugiura, Hitoshi Hisada, Yoshinobu Murakami 2004-01-27