Inventor
OSADA TAKENORI
JP9 patents
Patents
9 patentsUS6544670B1Apr 8, 2003
Hole transporting polymer and organic electroluminescence device using the same
SUMITOMO CHEMICAL CO20 citations92
US5830972ANov 3, 1998
Polysilane, its production process and starting materials therefor
SUMITOMO CHEMICAL CO12 citations73
US6841269B2Jan 11, 2005
Hole transporting polymer and organic electroluminescence device using the same
SUMITOMO CHEMICAL CO2 citations62
US11011630B2May 18, 2021
Semiconductor wafer
SUMITOMO CHEMICAL CO1 citations59
US7732836B2Jun 8, 2010
Compound semiconductor epitaxial substrate and method for manufacturing the same
SUMITOMO CHEMICAL CO0 citations51
US7550786B2Jun 23, 2009
Compound semiconductor epitaxial substrate
SUMITOMO CHEMICAL CO0 citations51
US7291873B2Nov 6, 2007
High electron mobility epitaxial substrate
SUMITOMO CHEMICAL CO1 citations51
US9117658B2Aug 25, 2015
Method of producing semiconductor wafer, semiconductor wafer, method of producing semiconductor device and semiconductor device
SUMITOMO CHEMICAL CO1 citations49
US11031249B2Jun 8, 2021
Electronic device with a gate insulating film and a cap layer of silicon nitride having crystallinity
SUMITOMO CHEMICAL CO0 citations48